v3.26.1
Average Annual Total Returns
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Pacer Trendpilot® US Large Cap Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer Trendpilot® US Large Cap Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   5.78%           12.93%                       10.97%   9.60%  
S&P 500® Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] S&P 500® Index                                            
Average Annual Return, Percent   17.88%   17.20%     17.06% 14.42% 17.50%   15.46%     14.76% 14.65% 14.31%       14.82%   13.77% 13.47%
Pacer Trendpilot® US Mid Cap Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer Trendpilot® US Mid Cap Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   (1.01%)           3.51%                       6.05%   5.01%  
S&P MidCap 400® Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] S&P MidCap 400® Index                                            
Average Annual Return, Percent   7.50%           9.12% 14.16%                     10.72%   9.24%  
S&P Composite 1500 Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] S&P Composite 1500 Index                                            
Average Annual Return, Percent   17.02%     21.37%     13.96% 17.23%                 14.46%   14.46%   13.37%  
Pacer NASDAQ-100 Trendpilot® Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer NASDAQ-100 Trendpilot® Index (reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   7.78%           10.37%                       14.07%   12.86%  
NASDAQ-100 Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] NASDAQ-100 Index                                            
Average Annual Return, Percent   21.02%   20.48%       15.30%                       19.70%   18.90%  
Pacer Trendpilot® European Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer Trendpilot® European Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   33.19%           10.33%                       5.23% 5.21%    
FTSE Eurozone Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] FTSE Eurozone Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   42.21%           11.53%                       9.95% 10.21%    
MSCI THE WORLD INDEX Net (USD) (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] MSCI THE WORLD INDEX Net (USD)                                            
Average Annual Return, Percent   21.09%           12.15%     13.10%                 12.17% 12.32%    
Pacer Trendpilot® International Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer Trendpilot® International Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   20.87%           6.87%     6.68%                        
S&P Developed Ex-US Large Cap Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] S&P Developed Ex-US Large Cap Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   33.77%           9.92%     10.41%                        
Pacer Trendpilot® US Bond Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer Trendpilot® US Bond Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   3.58%           0.21%   2.35%                          
IBoxx USD Liquid High Yield Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] iBoxx USD Liquid High Yield Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   8.83%           4.34%   4.63%                          
Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Bloomberg U.S. Aggregate Bond Index                                            
Average Annual Return, Percent   7.30% [1]           (0.36%) [1]   0.94% [1]                   2.01%     1.83%
Pacer Trendpilot® Fund of Funds Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer Trendpilot® Fund of Funds Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   7.24%           6.71%       7.11%                      
S&P Global 1200 Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] S&P Global 1200 Index                                            
Average Annual Return, Percent   22.99%         16.20% 12.79%       13.49%                      
FTSE All-World Total Return Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] FTSE All-World Total Return Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   23.13%           11.70%       12.74%                      
Pacer US Cash Cows 100 Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer US Cash Cows 100 Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   9.59%           15.24%                   13.06%          
Russell 1000® Value Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Russell 1000® Value Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   15.91%           11.33%                   9.67%          
Pacer US Small Cap Cash Cows Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer US Small Cap Cash Cows Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   2.68%           9.36%                 8.88%            
Russell 2000 Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Russell 2000 Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   12.81%           6.09%                 8.33%            
S&P SmallCap 600® Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] S&P SmallCap 600® Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   6.02%           7.31%                 8.25%            
S&P SmallCap 600® Value Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] S&P SmallCap 600® Value Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   6.71%           8.96%                 7.83%            
Pacer Global Cash Cows Dividend Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer Global Cash Cows Dividend Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   28.60%           13.56%                     10.67%        
MSCI World Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] MSCI World Index                                            
Average Annual Return, Percent   21.09% [2] 17.94%         12.15% [2]     13.10% [3] 12.97% [4]         12.05% [5]   13.07% [2]        
MSCI World Value Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] MSCI World Value Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   20.79%           11.35%                     10.00%        
Pacer Developed Markets International Cash Cows 100 Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer Developed Markets International Cash Cows 100 Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   37.66%           11.06%                 9.65%            
FTSE Developed ex-US Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] FTSE All World Developed ex-US Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   30.92%           6.46%                 5.58%            
Pacer Emerging Markets Cash Cows 100 Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer Emerging Markets Cash Cows 100 Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   33.14%           8.82%     8.21%                        
FTSE Emerging Markets Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] FTSE Emerging Markets Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   26.01%           4.89%     6.85%                        
Pacer US Large Cap Cash Cows Growth Leaders Index TR (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer US Large Cap Cash Cows Growth Leaders Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   10.95%       20.93%                                  
Russell 1000 Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Russell 1000 Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   17.37%       22.12%                                  
Russell 1000 Growth Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Russell 1000 Growth Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   18.70%       30.05%                                  
Pacer US SmallCap Cash Cows Growth Leaders Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer US SmallCap Cash Cows Growth Leaders Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   0.94%     10.22%                                    
S&P SmallCap 600 Growth Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] S&P SmallCap 600 Growth Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   5.38%     12.38%                                    
Pacer US Cash Cows Growth Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer US Cash Cows Growth Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   19.91%           12.13%     13.91%                        
S&P 900 Pure Growth Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] S&P 900 Pure Growth Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   11.46%           7.28%     10.75%                        
Pacer Cash Cows Fund of Funds Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer Cash Cows Fund of Funds Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   19.30%           12.36%       11.88%                      
FTSE Developed ex US All Cap Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] FTSE Developed ex US All Cap Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   34.86%           9.14%       9.63%                      
Pacer US Export Leaders Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer US Export Leaders Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   27.41%           12.22%         13.97%                    
S&P 900 IndexTM (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] S&P 900 IndexTM(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   17.30%           14.13%         14.22%                    
Solactive GPR Industrial Real Estate Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] [6] Solactive GPR Industrial Real Estate Index1(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent [6]   8.88%           4.85%             8.85%                
FTSE NAREIT All Equity REITS Total Return Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] FTSE NAREIT All Equity REITS Total Return Index                                            
Average Annual Return, Percent   2.27%           4.85%           6.17% 5.94%                
Solactive GPR Data & Infrastructure Real Estate Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] [7] Solactive GPR Data & Infrastructure Real Estate Index1(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent [7]   (1.29%)           0.17%           6.50%                  
Pacer WealthShield Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer WealthShield Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   8.93%           4.04%               5.03%              
S&P U.S. Treasury Bond 20+ Year Total Return Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] S&P U.S. Treasury Bond 20+ Year Total Return Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   4.47%           (8.24%)               (1.69%)              
Lunt Capital U.S. Large Cap Equity Rotation Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Lunt Capital U.S. Large Cap Equity Rotation Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   17.42%           8.21% 13.76%                            
Lunt Capital U.S. MidCap Multi-Factor Rotation Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Lunt Capital U.S. MidCap Multi-Factor Rotation Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   2.20%           9.68% 14.78%                            
Lunt Capital U.S. Large Cap Multi-Factor Rotation Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Lunt Capital U.S. Large Cap Multi-Factor Rotation Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   8.12%           13.83% 16.94%                            
Morningstar LSTA U.S. Leveraged Loan 100 Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Morningstar LSTA U.S. Leveraged Loan 100 Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   7.24%           6.29%                       5.80%     4.93%
Pacer Data Transmission and Communication Revolution TR Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer Data Transmission and Communication Revolution Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   27.57%         31.00%                                
Pacer Global Supply Chain Infrastructure Total Return Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer Global Supply Chain Infrastructure Total Return Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   13.94%         8.35%                                
MSCI World Ricardo Comparative Advantage Select Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] MSCI World Ricardo Comparative Advantage Select Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   20.57% 20.70%                                        
Pacer Nasdaq-100 Top 50 Cash Cows Growth Leaders Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Pacer Nasdaq-100 Top 50 Cash Cows Growth Leaders Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   15.18%   12.25%                                      
Nasdaq International Patent Leaders Index (reflects no deduction for fees, expenses, or taxes)                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Nasdaq International Patent Leaders Index(reflects no deduction for fees, expenses, or taxes)                                            
Average Annual Return, Percent   40.71% 29.22%                                        
Pacer Trendpilot® US Large Cap ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   5.15%           12.27%                       10.31%   8.94%  
Performance Inception Date Jun. 11, 2015                                            
Pacer Trendpilot® US Large Cap ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   4.89%           11.95%                       10.02%   8.66%  
Pacer Trendpilot® US Large Cap ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   3.24%           9.72%                       8.44%   7.27%  
Pacer Trendpilot® US Mid Cap ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   (1.52%)           2.93%                       5.42%   4.39%  
Performance Inception Date Jun. 11, 2015                                            
Pacer Trendpilot® US Mid Cap ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   (2.05%)           2.58%                       5.13%   4.11%  
Pacer Trendpilot® US Mid Cap ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   (0.71%)           2.17%                       4.27%   3.42%  
Pacer Trendpilot® 100 ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   7.08%           9.69%                       13.39%   12.19%  
Performance Inception Date Jun. 11, 2015                                            
Pacer Trendpilot® 100 ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   6.76%           9.31%                       13.15%   11.96%  
Pacer Trendpilot® 100 ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   4.25%           7.53%                       11.18%   10.15%  
Pacer Trendpilot® European Index ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   31.10%           8.94%                       3.79% 3.77%    
Performance Inception Date Dec. 14, 2015                                            
Pacer Trendpilot® European Index ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   30.87%           8.72%                       3.62% 3.61%    
Pacer Trendpilot® European Index ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   19.19%           7.29%                       3.16% 3.14%    
Pacer Trendpilot® International ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   17.60%           5.84%     5.55%                        
Performance Inception Date May 02, 2019                                            
Pacer Trendpilot® International ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   16.88%           5.47%     5.24%                        
Pacer Trendpilot® International ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   10.87%           4.64%     4.45%                        
Pacer Trendpilot® US Bond ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   2.44%           (1.42%)   0.81%                          
Performance Inception Date Oct. 22, 2019                                            
Pacer Trendpilot® US Bond ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   0.17%           (3.58%)   (1.18%)                          
Pacer Trendpilot® US Bond ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   1.43%           (1.98%)   (0.22%)                          
Pacer Trendpilot® Fund of Funds ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   5.89%           5.71%       6.07%                      
Performance Inception Date May 03, 2019                                            
Pacer Trendpilot® Fund of Funds ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   5.10%           5.04%       5.50%                      
Pacer Trendpilot® Fund of Funds ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   3.68%           4.23%       4.60%                      
Pacer US Cash Cows 100 ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   8.99%           14.61%                   12.54%          
Performance Inception Date Dec. 16, 2016                                            
Pacer US Cash Cows 100 ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   8.40%           14.08%                   11.98%          
Pacer US Cash Cows 100 ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   5.70%           11.69%                   10.24%          
Pacer US Small Cap Cash Cows ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   2.34%           8.88%                 8.53%            
Performance Inception Date Jun. 16, 2017                                            
Pacer US Small Cap Cash Cows ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   1.98%           8.50%                 8.17%            
Pacer US Small Cap Cash Cows ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   1.63%           6.99%                 6.85%            
Pacer Global Cash Cows Dividend ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   27.56%           12.65%                     9.72%        
Performance Inception Date Feb. 22, 2016                                            
Pacer Global Cash Cows Dividend ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   26.66%           11.66%                     8.85%        
Pacer Global Cash Cows Dividend ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   17.47%           10.12%                     7.90%        
Pacer Developed Markets International Cash Cows 100 ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   36.71%           10.18%                 8.71%            
Performance Inception Date Jun. 16, 2017                                            
Pacer Developed Markets International Cash Cows 100 ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   36.07%           9.50%                 8.15%            
Pacer Developed Markets International Cash Cows 100 ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   22.77%           8.14%                 7.11%            
Pacer Emerging Markets Cash Cows 100 ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   30.89%           6.63%     6.01%                        
Performance Inception Date May 02, 2019                                            
Pacer Emerging Markets Cash Cows 100 ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   28.98%           5.34%     4.60%                        
Pacer Emerging Markets Cash Cows 100 ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   19.06%           5.09%     4.55%                        
Pacer US Large Cap Cash Cows Growth Leaders ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   10.33%       20.32%                                  
Performance Inception Date Dec. 21, 2022                                            
Pacer US Large Cap Cash Cows Growth Leaders ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   10.25%       20.20%                                  
Pacer US Large Cap Cash Cows Growth Leaders ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   6.18%       16.10%                                  
Pacer US Small Cap Cash Cows Growth Leaders ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   0.27%     9.45%                                    
Performance Inception Date May 01, 2023                                            
Pacer US Small Cap Cash Cows Growth Leaders ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   0.18%     9.34%                                    
Pacer US Small Cap Cash Cows Growth Leaders ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   0.22%     7.32%                                    
Pacer US Cash Cows Growth ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   19.20%           11.85%     13.66%                        
Performance Inception Date May 02, 2019                                            
Pacer US Cash Cows Growth ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   19.12%           11.67%     13.45%                        
Pacer US Cash Cows Growth ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   11.42%           9.42%     11.11%                        
Pacer Cash Cows Fund of Funds ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   18.91%           11.94%       11.37%                      
Performance Inception Date May 03, 2019                                            
Pacer Cash Cows Fund of Funds ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   17.90%           11.28%       10.73%                      
Pacer Cash Cows Fund of Funds ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   11.96%           9.48%       9.12%                      
Pacer US Export Leaders ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   26.73%           11.57%         13.28%                    
Performance Inception Date Jul. 23, 2018                                            
Pacer US Export Leaders ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   26.58%           11.45%         13.15%                    
Pacer US Export Leaders ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   15.91%           9.21%         10.89%                    
Pacer Industrial Real Estate ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   8.16%           3.00%             8.22%                
Performance Inception Date May 14, 2018                                            
Pacer Industrial Real Estate ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   6.98%           2.10%             7.25%                
Pacer Industrial Real Estate ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   5.23%           2.10%             6.25%                
Pacer Data & Infrastructure Real Estate ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   (1.86%)           (2.17%)           4.29%                  
Performance Inception Date May 15, 2018                                            
Pacer Data & Infrastructure Real Estate ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   (2.64%)           (2.85%)           3.56%                  
Pacer Data & Infrastructure Real Estate ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   (0.84%)           (1.80%)           3.14%                  
Pacer WealthShield ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   8.66%           3.76%               4.74%              
Performance Inception Date Dec. 11, 2017                                            
Pacer WealthShield ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   8.06%           3.25%               4.27%              
Pacer WealthShield ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   5.23%           2.74%               3.56%              
Pacer Lunt Large Cap Alternator ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   16.67%           7.42% 12.90%                            
Performance Inception Date Jun. 24, 2020                                            
Pacer Lunt Large Cap Alternator ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   16.40%           7.10% 12.55%                            
Pacer Lunt Large Cap Alternator ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   10.05%           5.79% 10.34%                            
Pacer Lunt MidCap Multi-Factor Alternator ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   1.51%           8.75% 13.89%                            
Performance Inception Date Jun. 24, 2020                                            
Pacer Lunt MidCap Multi-Factor Alternator ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   1.22%           8.51% 13.65%                            
Pacer Lunt MidCap Multi-Factor Alternator ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   1.06%           6.87% 11.19%                            
Pacer Lunt Large Cap Multi-Factor Alternator ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   7.33%           12.96% 16.03%                            
Performance Inception Date Jun. 24, 2020                                            
Pacer Lunt Large Cap Multi-Factor Alternator ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   7.05%           12.68% 15.73%                            
Pacer Lunt Large Cap Multi-Factor Alternator ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   4.53%           10.34% 13.00%                            
Pacer Aristotle Pacific Floating Rate High Income ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   6.34%           5.99%                       5.13%     4.50%
Performance Inception Date Feb. 18, 2015                                            
Pacer Aristotle Pacific Floating Rate High Income ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   3.39%           3.24%                       2.96%     2.40%
Pacer Aristotle Pacific Floating Rate High Income ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   3.70%           3.37%                       2.98%     2.50%
Pacer Data and Digital Revolution ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   26.84%         30.17%                                
Performance Inception Date Jun. 08, 2022                                            
Pacer Data and Digital Revolution ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   26.84%         30.04%                                
Pacer Data and Digital Revolution ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   15.89%         24.50%                                
Pacer Industrials and Logistics ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   12.77%         7.43%                                
Performance Inception Date Jun. 08, 2022                                            
Pacer Industrials and Logistics ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   12.39%         6.97%                                
Pacer Industrials and Logistics ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   8.00%         5.85%                                
Pacer MSCI World Industry Advantage ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   19.94% 19.96%                                        
Performance Inception Date Sep. 16, 2024                                            
Pacer MSCI World Industry Advantage ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   19.67% 19.72%                                        
Pacer MSCI World Industry Advantage ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   11.95% 15.28%                                        
Pacer Nasdaq 100 Top 50 Cash Cows Growth Leaders ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   14.67%   11.83%                                      
Performance Inception Date Aug. 19, 2024                                            
Pacer Nasdaq 100 Top 50 Cash Cows Growth Leaders ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   14.65%   11.80%                                      
Pacer Nasdaq 100 Top 50 Cash Cows Growth Leaders ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   8.69%   9.06%                                      
Pacer Nasdaq International Patent Leaders ETF Class                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return Before Taxes                                            
Average Annual Return, Percent   39.46% 28.27%                                        
Performance Inception Date Sep. 16, 2024                                            
Pacer Nasdaq International Patent Leaders ETF Class | After Taxes on Distributions                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions                                            
Average Annual Return, Percent   38.53% 27.59%                                        
Pacer Nasdaq International Patent Leaders ETF Class | After Taxes on Distributions and Sales                                              
Prospectus [Line Items]                                              
Average Annual Return, Label [Optional Text] Return After Taxes on Distributions and Sale of Fund Shares                                            
Average Annual Return, Percent   23.69% 21.60%                                        
[1] The Fund has changed its benchmark to the Bloomberg U.S. Aggregate Bond Index, which represents the overall bond market in which the Fund invests.
[2] The Fund has changed its benchmark to the MSCI World Index, which represents the overall equity market in which the Fund invests.
[3] The Fund has changed its benchmark to the MSCI World Index, which represents the overall equity market in which the Fund invests.
[4] The Fund has changed its benchmark to the MSCI World Index, which represents the overall equity market in which the Fund invests.
[5] The Fund has changed its benchmark to the MSCI World Index, which represents the overall equity market in which the Fund invests.
[6] Effective November 1, 2022, the Fund’s investment objective changed to track the performance, before fees and expenses, of the Solactive GPR Industrial Real Estate Index. Prior to November 1, 2022, the Fund’s investment objective was to track the price and total return performance, before fees and expenses, of the Kelly Industrial Real Estate Index. Performance shown for periods prior to November 1, 2022, is that of the Kelly Industrial Real Estate Index.
[7] Effective November 1, 2022, the Fund’s investment objective changed to track the performance, before fees and expenses, of the Solactive GPR Data & Infrastructure Real Estate Index. Prior to November 1, 2022, the Fund’s investment objective was to track the price and total return performance, before fees and expenses, of the Kelly Data Center & Tech Infrastructure Index. Performance shown for periods prior to November 1, 2022, is that of the Kelly Data Center & Tech Infrastructure Index.