v3.26.3
Loans Receivable and Allowance for Credit Losses - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]        
Balance at beginning of period $ 184,656 $ 187,871 $ 184,767 $ 193,432
Provision charge (benefit) to operations 7,200 4,500 12,125 2,175
Initial allowance on credit loans related to PCD loans       0
Recoveries of loans previously charged-off 916 318 1,674 1,823
Loans charged-off (3,303) (5,720) (9,097) (10,461)
Balance at end of period 189,469 186,969 189,469 186,969
Mortgage loans        
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]        
Balance at beginning of period 129,003 131,447 128,601 144,587
Provision charge (benefit) to operations 3,856 3,251 5,133 (8,803)
Initial allowance on credit loans related to PCD loans       0
Recoveries of loans previously charged-off 114 77 161 924
Loans charged-off (210) (1,199) (1,132) (3,132)
Balance at end of period 132,763 133,576 132,763 133,576
Commercial loans        
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]        
Balance at beginning of period 50,456 51,228 51,127 43,642
Provision charge (benefit) to operations 2,588 1,257 5,976 11,015
Initial allowance on credit loans related to PCD loans       0
Recoveries of loans previously charged-off 748 60 1,050 414
Loans charged-off (2,741) (4,368) (7,102) (6,894)
Balance at end of period 51,051 48,177 51,051 48,177
Consumer loans        
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]        
Balance at beginning of period 5,197 5,196 5,039 5,203
Provision charge (benefit) to operations 756 (8) 1,016 (37)
Initial allowance on credit loans related to PCD loans       0
Recoveries of loans previously charged-off 54 181 463 485
Loans charged-off (352) (153) (863) (435)
Balance at end of period $ 5,655 $ 5,216 $ 5,655 $ 5,216