v3.26.1
Shareholder Report, Holdings (Details)
Jun. 30, 2026
C000003588 | Thrivent Core Investment Grade Corporate Bond Fund_5027008  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000003588 | Thrivent Core High Yield Bond Fund_5027007  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000003588 | Thrivent Core Emerging Markets Debt Fund_5027006  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000003588 | U.S. Treasury Notes_5027041  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000003588 | Thrivent International Large Cap ETF_5027009  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000003588 | Federal National Mortgage Association Conventional 30-Yr. Pass Through_5026565  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000003588 | Federal National Mortgage Association Conventional 30-Yr. Pass Through_5026200  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000003588 | U.S. Treasury Notes_5027043  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000003588 | Federal National Mortgage Association Conventional 30-Yr. Pass Through_5026546  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000003588 | NVIDIA Corporation_5026802  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000003588 | U.S. Affiliated Registered Investment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 28.00%
C000003588 | Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
C000003588 | Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000003588 | U.S. Government & Agencies  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000003588 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000003588 | Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000003588 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000003588 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000003588 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000003588 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000003588 | Long-Term Fixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 46.40%
C000003588 | Registered Investments Companies  
Holdings [Line Items]  
Percent of Net Asset Value 28.10%
C000003588 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000003588 | Short-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000003588 | Preferred Stock  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000003590 | Thrivent Core Investment Grade Corporate Bond Fund_5027008  
Holdings [Line Items]  
Percent of Net Asset Value 11.20%
C000003590 | Thrivent Core High Yield Bond Fund_5027007  
Holdings [Line Items]  
Percent of Net Asset Value 8.50%
C000003590 | Thrivent Core Emerging Markets Debt Fund_5027006  
Holdings [Line Items]  
Percent of Net Asset Value 6.60%
C000003590 | U.S. Treasury Notes_5027041  
Holdings [Line Items]  
Percent of Net Asset Value 2.80%
C000003590 | Thrivent International Large Cap ETF_5027009  
Holdings [Line Items]  
Percent of Net Asset Value 1.70%
C000003590 | Federal National Mortgage Association Conventional 30-Yr. Pass Through_5026565  
Holdings [Line Items]  
Percent of Net Asset Value 1.50%
C000003590 | Federal National Mortgage Association Conventional 30-Yr. Pass Through_5026200  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%
C000003590 | U.S. Treasury Notes_5027043  
Holdings [Line Items]  
Percent of Net Asset Value 1.20%
C000003590 | Federal National Mortgage Association Conventional 30-Yr. Pass Through_5026546  
Holdings [Line Items]  
Percent of Net Asset Value 0.90%
C000003590 | NVIDIA Corporation_5026802  
Holdings [Line Items]  
Percent of Net Asset Value 0.80%
C000003590 | U.S. Affiliated Registered Investment Companies  
Holdings [Line Items]  
Percent of Net Asset Value 28.00%
C000003590 | Mortgage-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 19.00%
C000003590 | Collateralized Mortgage Obligations  
Holdings [Line Items]  
Percent of Net Asset Value 9.40%
C000003590 | U.S. Government & Agencies  
Holdings [Line Items]  
Percent of Net Asset Value 6.90%
C000003590 | Information Technology  
Holdings [Line Items]  
Percent of Net Asset Value 6.50%
C000003590 | Asset-Backed Securities  
Holdings [Line Items]  
Percent of Net Asset Value 6.30%
C000003590 | Financials  
Holdings [Line Items]  
Percent of Net Asset Value 5.00%
C000003590 | Industrials  
Holdings [Line Items]  
Percent of Net Asset Value 2.50%
C000003590 | Consumer Discretionary  
Holdings [Line Items]  
Percent of Net Asset Value 2.30%
C000003590 | Health Care  
Holdings [Line Items]  
Percent of Net Asset Value 2.00%
C000003590 | Long-Term Fixed Income  
Holdings [Line Items]  
Percent of Net Asset Value 46.40%
C000003590 | Registered Investments Companies  
Holdings [Line Items]  
Percent of Net Asset Value 28.10%
C000003590 | Common Stock  
Holdings [Line Items]  
Percent of Net Asset Value 18.90%
C000003590 | Short-Term Investments  
Holdings [Line Items]  
Percent of Net Asset Value 5.20%
C000003590 | Preferred Stock  
Holdings [Line Items]  
Percent of Net Asset Value 1.40%