Loans and Allowance for Credit Losses - Nonaccrual Loans by Loan Class (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2026	Dec. 31, 2025
Nonaccrual loans:
Nonaccrual With No Allowance For Credit Losses	$ 60,267	$ 19,012
Nonaccrual With An Allowance For Credit Losses	4,551	20,948
Total Nonaccrual Loans	64,818	39,960
Interest income, Nonaccrual With No Allowance For Credit Losses	966	285
Interest income, Nonaccrual With An Allowance For Credit Losses	80	363
Interest income, Total Nonaccrual Loans	1,046	648
Nonaccrual Delinquent Loans	9,436	7,424
Nonaccrual Current Loans	55,382	32,536
Commercial real estate
Nonaccrual loans:
Nonaccrual With No Allowance For Credit Losses	50,428	6,135
Nonaccrual With An Allowance For Credit Losses	667	19,498
Total Nonaccrual Loans	51,095	25,633
Nonaccrual Delinquent Loans	3,437	2,809
Nonaccrual Current Loans	47,658	22,824
Residential real estate
Nonaccrual loans:
Nonaccrual With No Allowance For Credit Losses	9,032	9,594
Nonaccrual With An Allowance For Credit Losses	1,542	544
Total Nonaccrual Loans	10,574	10,138
Nonaccrual Delinquent Loans	5,740	3,808
Nonaccrual Current Loans	4,834	6,330
Construction
Nonaccrual loans:
Nonaccrual With No Allowance For Credit Losses	154	88
Nonaccrual With An Allowance For Credit Losses	0	0
Total Nonaccrual Loans	154	88
Nonaccrual Delinquent Loans	154	88
Nonaccrual Current Loans	0	0
Commercial
Nonaccrual loans:
Nonaccrual With No Allowance For Credit Losses	203	2,297
Nonaccrual With An Allowance For Credit Losses	2,286	784
Total Nonaccrual Loans	2,489	3,081
Nonaccrual Delinquent Loans	17	196
Nonaccrual Current Loans	2,472	2,885
Consumer
Nonaccrual loans:
Nonaccrual With No Allowance For Credit Losses	450	898
Nonaccrual With An Allowance For Credit Losses	38	74
Total Nonaccrual Loans	488	972
Nonaccrual Delinquent Loans	88	491
Nonaccrual Current Loans	400	481
Credit cards
Nonaccrual loans:
Nonaccrual With No Allowance For Credit Losses	0	0
Nonaccrual With An Allowance For Credit Losses	18	48
Total Nonaccrual Loans	18	48
Nonaccrual Delinquent Loans	0	32
Nonaccrual Current Loans	$ 18	$ 16

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