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Loans and Allowance for Credit Losses on Loans - Loan Modifications (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) loan	Sep. 30, 2024 USD ($) loan	Sep. 30, 2025 USD ($)	Dec. 31, 2024 loan	Sep. 30, 2024 USD ($)
Financing Receivable
Total Loans modified	$ 23,480	$ 37,004	$ 56,096	$ 41,172	$ 56,096		$ 42,865
Total Loan Segment Modified to Total Loan Segment	0.40%	0.90%	1.10%	1.00%
Weighted-Average Term Extension (In Months)	9 months 14 days	10 months 1 day	7 months 25 days	10 months 11 days
Weighted-Average Interest Rate Change	1.12%	1.04%	(0.75%)	0.69%
Weighted-Average Delay of Payment (In Months)	6 months		2 months 21 days
Number of payment modification | loan			39	13		14
30 to 59 Days Past Due
Financing Receivable
Total Loans modified					5,656
60 to 89 Days Past Due
Financing Receivable
Total Loans modified							12,505
90 Days or Greater Past Due
Financing Receivable
Total Loans modified					20,672
Total Past Due
Financing Receivable
Total Loans modified					26,328		12,505
Current
Financing Receivable
Total Loans modified					29,768		30,360
Term Extension
Financing Receivable
Total Loans modified	$ 12,963	$ 25,120	$ 31,253	$ 25,367
Combination - Term Extension, Interest Rate Modification, Payment Modification, and Principal Reduction
Financing Receivable
Total Loans modified	51	4,998	51	$ 4,998
Payment modification
Financing Receivable
Total Loans modified	1,550		$ 1,550
Number of payment modification | loan			16	2
Interest Rate Modification
Financing Receivable
Total Loans modified	8		$ 8
Combination - Term Extension and Interest Rate Modification
Financing Receivable
Total Loans modified	1,551		13,802	$ 3,258
Combination - Term Extension and Payment Modification
Financing Receivable
Total Loans modified	7,357	6,886	$ 9,432	$ 7,549
Reduction of monthly payment until maturity
Financing Receivable
Number of payment modification | loan			1
Number of contracts | loan			8
Payment Deferment
Financing Receivable
Number of payment modification | loan			4
Financing receivable, payment deferral term			2 months
Single payment at maturity
Financing Receivable
Number of payment modification | loan				1
Number of contracts | loan			1
Forbearance Agreement
Financing Receivable
Number of payment modification | loan			3
Financing receivable, payment deferral term			6 months
Commercial
Financing Receivable
Total Loans modified	$ 14,300	$ 3,794	$ 19,739	$ 4,041	19,739		5,536
Total Loan Segment Modified to Total Loan Segment	1.80%	0.50%	2.50%	0.50%
Weighted-Average Term Extension (In Months)	7 months 14 days	7 months	6 months 7 days	7 months 1 day
Weighted-Average Interest Rate Change	1.50%	0.50%	1.50%	0.50%
Weighted-Average Delay of Payment (In Months)	6 months		2 months 21 days
Number of payment modification | loan			1
Commercial | 30 to 59 Days Past Due
Financing Receivable
Total Loans modified					3,520
Commercial | 90 Days or Greater Past Due
Financing Receivable
Total Loans modified					1,609
Commercial | Total Past Due
Financing Receivable
Total Loans modified					5,129
Commercial | Current
Financing Receivable
Total Loans modified					14,610		5,536
Commercial | Term Extension
Financing Receivable
Total Loans modified	$ 5,025		$ 10,464	$ 247
Commercial | Combination - Term Extension, Interest Rate Modification, Payment Modification, and Principal Reduction
Financing Receivable
Total Loans modified		$ 3,794		3,794
Commercial | Payment modification
Financing Receivable
Total Loans modified	1,550		1,550
Commercial | Combination - Term Extension and Interest Rate Modification
Financing Receivable
Total Loans modified	1,551		1,551
Commercial | Combination - Term Extension and Payment Modification
Financing Receivable
Total Loans modified	6,174		6,174
Commercial real estate - Investor
Financing Receivable
Total Loans modified	$ 1,679	$ 19,435	$ 13,930	$ 19,435	13,930		19,435
Total Loan Segment Modified to Total Loan Segment	0.10%	1.90%	1.10%	1.90%
Weighted-Average Term Extension (In Months)	8 months 28 days	6 months	8 months 30 days	6 months
Weighted-Average Interest Rate Change			(1.00%)
Commercial real estate - Investor | Current
Financing Receivable
Total Loans modified					13,930		19,435
Commercial real estate - Investor | Term Extension
Financing Receivable
Total Loans modified	$ 1,645	$ 12,549	$ 1,645	$ 12,549
Commercial real estate - Investor | Combination - Term Extension and Interest Rate Modification
Financing Receivable
Total Loans modified			12,251
Commercial real estate - Investor | Combination - Term Extension and Payment Modification
Financing Receivable
Total Loans modified	34	6,886	34	6,886
Commercial real estate - Owner occupied
Financing Receivable
Total Loans modified	$ 7,395	$ 12,571	$ 22,321	$ 16,492	22,321		16,492
Total Loan Segment Modified to Total Loan Segment	1.10%	1.80%	3.30%	2.30%
Weighted-Average Term Extension (In Months)	12 months 28 days	12 months 14 days	8 months 10 days	12 months 21 days
Weighted-Average Interest Rate Change				0.15%
Commercial real estate - Owner occupied | 30 to 59 Days Past Due
Financing Receivable
Total Loans modified					2,136
Commercial real estate - Owner occupied | 60 to 89 Days Past Due
Financing Receivable
Total Loans modified							12,505
Commercial real estate - Owner occupied | 90 Days or Greater Past Due
Financing Receivable
Total Loans modified					19,063
Commercial real estate - Owner occupied | Total Past Due
Financing Receivable
Total Loans modified					21,199		12,505
Commercial real estate - Owner occupied | Current
Financing Receivable
Total Loans modified					1,122		3,987
Commercial real estate - Owner occupied | Term Extension
Financing Receivable
Total Loans modified	$ 6,273	$ 12,571	$ 19,124	$ 12,571
Commercial real estate - Owner occupied | Combination - Term Extension and Interest Rate Modification
Financing Receivable
Total Loans modified				3,258
Commercial real estate - Owner occupied | Combination - Term Extension and Payment Modification
Financing Receivable
Total Loans modified	1,122		3,197	663
Residential real estate - Owner occupied
Financing Receivable
Total Loans modified							111
Residential real estate - Owner occupied | Current
Financing Receivable
Total Loans modified							111
Multifamily
Financing Receivable
Total Loans modified		$ 1,204		$ 1,204			1,204
Total Loan Segment Modified to Total Loan Segment		0.30%		0.30%
Weighted-Average Term Extension (In Months)		60 months		60 months
Weighted-Average Interest Rate Change		2.75%		2.75%
Multifamily | Current
Financing Receivable
Total Loans modified							1,204
Multifamily | Combination - Term Extension, Interest Rate Modification, Payment Modification, and Principal Reduction
Financing Receivable
Total Loans modified		$ 1,204		$ 1,204
HELOC
Financing Receivable
Total Loans modified	$ 20		$ 20		20		87
Weighted-Average Term Extension (In Months)	24 months		24 months
HELOC | Current
Financing Receivable
Total Loans modified					20		$ 87
HELOC | Term Extension
Financing Receivable
Total Loans modified	$ 20		$ 20
Powersport
Financing Receivable
Total Loans modified	$ 59		$ 59		59
Weighted-Average Term Extension (In Months)	14 months 18 days		14 months 18 days
Weighted-Average Interest Rate Change	(8.94%)		(8.94%)
Powersport | Current
Financing Receivable
Total Loans modified					59
Powersport | Combination - Term Extension, Interest Rate Modification, Payment Modification, and Principal Reduction
Financing Receivable
Total Loans modified	$ 51		$ 51
Powersport | Interest Rate Modification
Financing Receivable
Total Loans modified	8		8
Other
Financing Receivable
Total Loans modified	$ 27		$ 27		27
Weighted-Average Term Extension (In Months)	24 months		24 months
Other | Current
Financing Receivable
Total Loans modified					$ 27
Other | Combination - Term Extension and Payment Modification
Financing Receivable
Total Loans modified	$ 27		$ 27

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