v3.26.1
Shareholder Report, Average Annual Return (Details)
 12 Months Ended 60 Months Ended 120 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Jun. 30, 2026
C000074154      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name New Covenant Growth Fund    
C000074155      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name New Covenant Income Fund    
C000013702      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name New Covenant Balanced Growth Fund    
C000074153      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name New Covenant Balanced Income Fund    
Without Sales Load [Member] | C000074154      
Average Annual Return [Line Items]      
Average Annual Return, Percent 22.27% 11.60% 14.41%
Without Sales Load [Member] | C000074155      
Average Annual Return [Line Items]      
Average Annual Return, Percent 3.31% 0.40% 1.50%
Without Sales Load [Member] | C000013702      
Average Annual Return [Line Items]      
Average Annual Return, Percent 14.45% 7.19% 9.30%
Without Sales Load [Member] | C000074153      
Average Annual Return [Line Items]      
Average Annual Return, Percent 9.78% 4.34% 6.01%
Russell 3000 Index (USD) (TR)      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name [1] Russell 3000 Index (USD) (TR)    
Average Annual Return, Percent 22.81% 12.30% 15.06%
Bloomberg U.S. Aggregate Bond Index (USD) (TR)      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name [2] Bloomberg U.S. Aggregate Bond Index (USD) (TR)    
Average Annual Return, Percent 3.79% 0.08% 1.54%
Russell 3000 Index (USD) (TR)      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name [3] Russell 3000 Index (USD) (TR)    
Average Annual Return, Percent 22.81% 12.30% 15.06%
Russell 3000 Index (USD) (TR)      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name [4] Russell 3000 Index (USD) (TR)    
Average Annual Return, Percent 22.81% 12.30% 15.06%
Bloomberg Intermediate U.S. Aggregate Bond Index (USD)      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Bloomberg Intermediate U.S. Aggregate Bond Index (USD)    
Average Annual Return, Percent 3.76% 0.97% 1.74%
Bloomberg Intermediate U.S. Aggregate Bond Index (USD)      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Bloomberg Intermediate U.S. Aggregate Bond Index (USD)    
Average Annual Return, Percent 3.76% 0.97% 1.74%
60/40 Russell 3000 ™ & Bloomberg Intermediate U.S. Aggregate Bond Index (USD)      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name 60/40 Russell 3000 ™ & Bloomberg Intermediate U.S. Aggregate Bond Index (USD)    
Average Annual Return, Percent 15.01% 7.87% 9.84%
Bloomberg Intermediate U.S. Aggregate Bond Index (USD)      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name Bloomberg Intermediate U.S. Aggregate Bond Index (USD)    
Average Annual Return, Percent 3.76% 0.97% 1.74%
35/65 Russell 3000 & Bloomberg Intermediate U.S. Aggregate Bond Index (USD)      
Average Annual Return [Line Items]      
Line Graph and Table Measure Name 35/65 Russell 3000 & Bloomberg Intermediate U.S. Aggregate Bond Index (USD)    
Average Annual Return, Percent 10.26% 5.03% 6.50%
[1] Total Return (TR) - Reflects no deductions for fees, expenses or taxes.
[2] Total Return (TR) - Reflects no deductions for fees, expenses or taxes.
[3] Total Return (TR) - Reflects no deductions for fees, expenses or taxes.
[4] Total Return (TR) - Reflects no deductions for fees, expenses or taxes.