v3.26.3
Loan Portfolio and Allowance for Credit Losses - Allowance For Credit Losses and Recorded Investment in Loans by Portfolio Segment and Based on Impairment Method (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Dec. 31, 2024
Ending allowance balance attributable to loans:            
Individually evaluated for impairment $ 0   $ 0      
Collectively evaluated for impairment 55,162   52,205      
Total ending allowance balance 55,162 $ 54,082 52,205 $ 51,891 $ 51,265 $ 50,248
Loans:            
Individually evaluated for impairment 25,842   25,768      
Collectively evaluated for impairment 5,428,444   5,226,692      
Total loans 5,454,286   5,252,460      
Commercial Loans [Member]            
Ending allowance balance attributable to loans:            
Individually evaluated for impairment 0   0      
Collectively evaluated for impairment 3,471   3,081      
Total ending allowance balance 3,471 3,379 3,081 3,131 3,134 3,420
Loans:            
Individually evaluated for impairment 2,095   2,083      
Collectively evaluated for impairment 330,311   311,360      
Total loans 332,406   313,443      
1 to 4 Family Residential Real Estate [Member]            
Ending allowance balance attributable to loans:            
Individually evaluated for impairment 0   0      
Collectively evaluated for impairment 51,551   48,895      
Total ending allowance balance 51,551 50,555 48,895 48,517 47,877 46,636
Loans:            
Individually evaluated for impairment 23,709   23,663      
Collectively evaluated for impairment 5,088,732   4,903,798      
Total loans 5,112,441   4,927,461      
Installment Loans [Member]            
Ending allowance balance attributable to loans:            
Individually evaluated for impairment 0   0      
Collectively evaluated for impairment 140   229      
Total ending allowance balance 140 $ 148 229 $ 243 $ 254 $ 192
Loans:            
Individually evaluated for impairment 38   22      
Collectively evaluated for impairment 9,401   11,534      
Total loans $ 9,439   $ 11,556