v3.26.3
State Street DoubleLine Short Duration Total Return Tactical ETF Average Annual Total Returns
12 Months Ended 46 Months Ended 51 Months Ended 59 Months Ended 60 Months Ended 81 Months Ended 117 Months Ended 120 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Dec. 31, 2025
Bloomberg U.S. Aggregate 1-3 Year Index (reflects no deduction for fees, expenses or taxes)[Member]                  
Prospectus [Line Items]                  
Average Annual Return, Percent   5.39%       1.98%   2.03%  
Bloomberg U.S. Aggregate Bond Index (reflects no deduction for fees, expenses or taxes)[Member]                  
Prospectus [Line Items]                  
Average Annual Return, Percent   7.30% 1.01% (0.12%) (0.17%) (0.36%) 1.67% 1.72% 2.01%
State Street DoubleLine Short Duration Total Return Tactical ETF                  
Prospectus [Line Items]                  
Average Annual Return, Percent   5.60%       2.60%   2.44%  
Performance Inception Date Apr. 13, 2016                
State Street DoubleLine Short Duration Total Return Tactical ETF | After Taxes on Distributions                  
Prospectus [Line Items]                  
Average Annual Return, Percent   3.67%       1.07%   1.19%  
State Street DoubleLine Short Duration Total Return Tactical ETF | After Taxes on Distributions and Sales                  
Prospectus [Line Items]                  
Average Annual Return, Percent   3.29%       1.32%   1.32%