v3.26.1
Fair Value - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Assets:    
Total investments $ 1,701,392 $ 1,414,636
Derivative instruments $ 2,776 $ 614
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Other Assets Other Assets
Total assets $ 1,704,168 $ 1,415,250
Liabilities:    
Derivative instruments $ 295 $ 1,727
Derivative Liability, Statement of Financial Position [Extensible Enumeration] Other liabilities Other liabilities
Total liabilities $ 295 $ 1,727
Asset-backed debt securities - available-for-sale    
Assets:    
Total investments 1,578,340 1,304,988
Equity securities    
Assets:    
Total investments 24,659 22,107
Level 1    
Assets:    
Total investments 24,759 22,207
Derivative instruments 0 0
Total assets 24,759 22,207
Liabilities:    
Derivative instruments 0 0
Total liabilities 0 0
Level 1 | Asset-backed debt securities - available-for-sale    
Assets:    
Total investments 100 100
Level 1 | Equity securities    
Assets:    
Total investments 24,659 22,107
Level 2    
Assets:    
Total investments 1,578,240 1,304,888
Derivative instruments 2,776 614
Total assets 1,581,016 1,305,502
Liabilities:    
Derivative instruments 295 1,727
Total liabilities 295 1,727
Level 2 | Asset-backed debt securities - available-for-sale    
Assets:    
Total investments 1,578,240 1,304,888
Level 2 | Equity securities    
Assets:    
Total investments 0 0
Fair Value Measured at Net Asset Value Per Share    
Assets:    
Equity securities measured at net asset value $ 98,393 $ 87,541