v3.26.1
Debt (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
May 12, 2026
Mar. 03, 2026
Feb. 26, 2026
Feb. 20, 2026
Mar. 31, 2023
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Nov. 12, 2025
Debt Instrument [Line Items]                  
Total outstanding debt           $ 297,000      
Long-term debt           296,968      
Short-term debt               $ 100,000  
Proceeds from issuance of debt           $ 296,866      
FHLBC                  
Debt Instrument [Line Items]                  
Repayments of FHLB advances $ 50,000                
Interest paid monthly at an annualized rate                 4.21%
Senior Notes                  
Debt Instrument [Line Items]                  
Issue of senior notes by public debt offering   $ 300,000              
Debt instrument maturity date   Jun. 01, 2036              
Frequency of interest payment   semi-annually              
Stated interest rate, payable semi-annually (as a percent)   5.375%              
Proceeds from issuance of debt   $ 297,000              
Average interest rate on debt (as a percent)           5.38%      
Senior Notes | Significant Other Observable Inputs (Level 2)                  
Debt Instrument [Line Items]                  
Notes Payable, Fair Value Disclosure           $ 293,000      
Line of Credit | PNC                  
Debt Instrument [Line Items]                  
Repaid amount       $ 50,000          
Floating interest rate       5.27%          
Maximum borrowing capacity - Line of credit     $ 150,000   $ 100,000        
Term of facility         3 years        
Line of credit facility expiration date     Feb. 26, 2031   May 29, 2026        
Maximum borrowing capacity conditional expansion     $ 200,000            
Short-term borrowings                  
Debt Instrument [Line Items]                  
Average interest rate on debt (as a percent)           4.52% 5.18%