v3.26.1
Loan and Lease Receivables and Allowance for Credit Losses - Summary of Allowance for Credit Losses and Corresponding Loan and Lease Balances (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance $ 108,879 $ 100,420 $ 108,834 $ 97,988 $ 97,988
Adjustment for acquired PCD loans   3,206   3,206  
Provision/(recapture) for credit losses 7,428 11,757 13,423 20,833  
Charge-offs (6,396) (8,360) (13,474) (15,996) (34,371)
Recoveries 1,950 704 3,078 1,696  
Ending balance 111,861 107,727 111,861 107,727 108,834
Individually evaluated for impairment 27,982 26,323 27,982 26,323  
Collectively evaluated for impairment 83,879 81,404 83,879 81,404  
Individually evaluated for impairment 108,695 112,063 108,695 112,063  
Collectively evaluated for impairment 7,433,716 7,215,992 7,433,716 7,215,992  
Total loans and leases 7,542,411 7,328,055 7,542,411 7,328,055 7,509,369
Commercial Real Estate          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance 25,673 27,794 27,001 27,873 27,873
Adjustment for acquired PCD loans   1,503   1,503  
Provision/(recapture) for credit losses (637) 7,086 (1,504) 8,472  
Charge-offs (284) (5,278) (935) (6,940) (11,536)
Recoveries 121 44 311 241  
Ending balance 24,873 31,149 24,873 31,149 27,001
Individually evaluated for impairment 5,864 9,289 5,864 9,289  
Collectively evaluated for impairment 19,009 21,860 19,009 21,860  
Individually evaluated for impairment 35,648 57,586 35,648 57,586  
Collectively evaluated for impairment 2,479,528 2,435,790 2,479,528 2,435,790  
Total loans and leases 2,515,176 2,493,376 2,515,176 2,493,376 2,607,185
Residential Real Estate          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance 2,629 2,836 3,108 2,920 2,920
Adjustment for acquired PCD loans   144   144  
Provision/(recapture) for credit losses (31) (14) (516) (79)  
Charge-offs 0 (70) 0 (70) (70)
Recoveries 8 7 14 16  
Ending balance 2,606 2,931 2,606 2,931 3,108
Individually evaluated for impairment 154 119 154 119  
Collectively evaluated for impairment 2,452 2,812 2,452 2,812  
Individually evaluated for impairment 437 1,421 437 1,421  
Collectively evaluated for impairment 742,275 732,287 742,275 732,287  
Total loans and leases 742,712 733,708 742,712 733,708 757,424
Construction, Land Development, and Other Land          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance 3,940 2,927 4,702 2,445 2,445
Adjustment for acquired PCD loans   1,152   1,152  
Provision/(recapture) for credit losses (363) (495) (1,127) (13)  
Charge-offs 0 0 0 0 0
Recoveries 0 0 2 0  
Ending balance 3,577 3,584 3,577 3,584 4,702
Individually evaluated for impairment 1,326 1,158 1,326 1,158  
Collectively evaluated for impairment 2,251 2,426 2,251 2,426  
Individually evaluated for impairment 12,884 4,456 12,884 4,456  
Collectively evaluated for impairment 334,368 476,046 334,368 476,046  
Total loans and leases 347,252 480,502 347,252 480,502 408,078
Commercial and Industrial          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance 68,695 58,627 65,581 56,589 56,589
Adjustment for acquired PCD loans   407   407  
Provision/(recapture) for credit losses 7,247 4,085 15,263 10,761  
Charge-offs (5,390) (2,373) (11,065) (7,699) (20,365)
Recoveries 1,752 580 2,525 1,268  
Ending balance 72,304 61,326 72,304 61,326 65,581
Individually evaluated for impairment 20,638 15,757 20,638 15,757  
Collectively evaluated for impairment 51,666 45,569 51,666 45,569  
Individually evaluated for impairment 59,726 48,600 59,726 48,600  
Collectively evaluated for impairment 3,146,653 2,819,491 3,146,653 2,819,491  
Total loans and leases 3,206,379 2,868,091 3,206,379 2,868,091 2,966,570
Installment and Other          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance 109 20 92 45 45
Adjustment for acquired PCD loans   0   0  
Provision/(recapture) for credit losses (52) 156 (35) 154  
Charge-offs 0 0 (23) (24)
Recoveries 0 0 0 0  
Ending balance 57 176 57 176 92
Individually evaluated for impairment 0 0 0 0  
Collectively evaluated for impairment 57 176 57 176  
Individually evaluated for impairment 0 0 0 0  
Collectively evaluated for impairment 9,802 20,768 9,802 20,768  
Total loans and leases 9,802 20,768 9,802 20,768 17,806
Lease Financing Receivables          
Financing Receivable Allowance For Credit Losses [Line Items]          
Beginning balance 7,833 8,216 8,350 8,116 8,116
Adjustment for acquired PCD loans   0   0  
Provision/(recapture) for credit losses 1,264 911 1,342 1,538  
Charge-offs (722) (639) (1,474) (1,264) (2,376)
Recoveries 69 73 226 171  
Ending balance 8,444 8,561 8,444 8,561 8,350
Individually evaluated for impairment 0 0 0 0  
Collectively evaluated for impairment 8,444 8,561 8,444 8,561  
Individually evaluated for impairment 0 0 0 0  
Collectively evaluated for impairment 721,090 731,610 721,090 731,610  
Total loans and leases $ 721,090 $ 731,610 $ 721,090 $ 731,610 $ 752,306