Amortized cost excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty.

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Loans and Allowance for Credit Losses for Loans - Financing Receivable, Modified (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Financing Receivable, Modified [Line Items]
Total	$ 46,885	$ 47,088	$ 97,434	$ 95,250
% of Total Loan Class	0.09%	0.10%	0.19%	0.19%
Term extension
Financing Receivable, Modified [Line Items]
Total	$ 46,885	$ 41,852	$ 81,075	$ 89,493
Term extension and interest rate reduction
Financing Receivable, Modified [Line Items]
Total	0	5,236	16,359	5,757
Commercial and industrial
Financing Receivable, Modified [Line Items]
Total	$ 45,807	$ 39,244	$ 80,091	$ 41,036
% of Total Loan Class	0.48%	0.42%	0.84%	0.44%
Commercial and industrial \| Term extension
Financing Receivable, Modified [Line Items]
Total	$ 45,807	$ 37,762	$ 79,953	$ 39,033
Commercial and industrial \| Term extension and interest rate reduction
Financing Receivable, Modified [Line Items]
Total	0	1,482	138	2,003
Commercial Real Estate
Financing Receivable, Modified [Line Items]
Total			$ 16,445
Commercial Real Estate \| Commercial real estate
Financing Receivable, Modified [Line Items]
Total	$ 180	$ 7,266		$ 53,371
% of Total Loan Class	0.00%	0.03%	0.06%	0.19%
Commercial Real Estate \| Term extension
Financing Receivable, Modified [Line Items]
Total			$ 224
Commercial Real Estate \| Term extension \| Commercial real estate
Financing Receivable, Modified [Line Items]
Total	$ 180	$ 3,512		$ 49,617
Commercial Real Estate \| Term extension and interest rate reduction
Financing Receivable, Modified [Line Items]
Total			16,221
Commercial Real Estate \| Term extension and interest rate reduction \| Commercial real estate
Financing Receivable, Modified [Line Items]
Total	0	3,754		3,754
Residential mortgage
Financing Receivable, Modified [Line Items]
Total	$ 898	$ 578	$ 898	$ 790
% of Total Loan Class	0.02%	0.01%	0.02%	0.01%
Residential mortgage \| Term extension
Financing Receivable, Modified [Line Items]
Total	$ 898	$ 578	$ 898	$ 790
Residential mortgage \| Term extension and interest rate reduction
Financing Receivable, Modified [Line Items]
Total	$ 0	$ 0	$ 0	0
Consumer loans
Financing Receivable, Modified [Line Items]
Total				$ 53
% of Total Loan Class				0.00%
Consumer loans \| Term extension
Financing Receivable, Modified [Line Items]
Total				$ 53
Consumer loans \| Term extension and interest rate reduction
Financing Receivable, Modified [Line Items]
Total				$ 0