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Loans and Allowance for Credit Losses on Loans - Collateral dependent loans (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Loans
Total loans, including deferred loan loan costs and PCI	$ 3,946,656		$ 3,998,689
ACL Allocation	44,422	$ 42,269	44,264	$ 51,729	$ 55,314	$ 49,480
Non-accruing loans	500,000
Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	50,166		63,115
Real Estate | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	33,637		61,997
Accounts Receivable | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	16,529		797
Equipment | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI			321
Collateral
Loans
ACL Allocation	8,161		7,878
Commercial
Loans
ACL Allocation	9,685	6,728	3,998	10,499	11,532	11,968
Commercial | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	16,529		1,634
Commercial | Real Estate | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI			837
Commercial | Accounts Receivable | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	16,529		797
Commercial | Collateral
Loans
ACL Allocation	4,286		2
Leases
Loans
ACL Allocation	1,975	1,978	2,952	2,592	2,690	2,865
Leases | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI			321
Leases | Equipment | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI			321
Leases | Collateral
Loans
ACL Allocation			320
Commercial real estate - Investor
Loans
ACL Allocation	16,837	17,842	17,105	18,003	20,031	10,674
Commercial real estate - Investor | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	8,531		15,735
Commercial real estate - Investor | Real Estate | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	8,531		15,735
Commercial real estate - Investor | Collateral
Loans
ACL Allocation	2,896		3,656
Commercial real estate - Owner occupied
Loans
ACL Allocation	7,160	7,180	12,280	12,385	12,562	15,001
Commercial real estate - Owner occupied | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	16,422		34,894
Commercial real estate - Owner occupied | Real Estate | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	16,422		34,894
Commercial real estate - Owner occupied | Collateral
Loans
ACL Allocation			3,900
Construction
Loans
ACL Allocation	2,417	2,020	1,038	1,240	1,179	1,546
Construction | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	5,766		7,162
Construction | Real Estate | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	5,766		7,162
Construction | Collateral
Loans
ACL Allocation	758
Residential real estate - Investor
Loans
ACL Allocation	564	609	669	691	743	768
Residential real estate - Investor | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	413		422
Residential real estate - Investor | Real Estate | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	413		422
Residential real estate - Owner occupied
Loans
ACL Allocation	1,740	1,618	1,821	1,857	1,868	2,046
Residential real estate - Owner occupied | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	1,644		1,506
Residential real estate - Owner occupied | Real Estate | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	1,644		1,506
Residential real estate - Owner occupied | Collateral
Loans
ACL Allocation	221
Multifamily
Loans
ACL Allocation	2,463	2,804	2,728	2,572	2,737	2,453
Multifamily | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	861		1,402
Multifamily | Real Estate | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI	861		1,402
HELOC
Loans
ACL Allocation	1,574	1,483	1,656	1,652	1,694	1,806
HELOC | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI			39
HELOC | Real Estate | Asset Pledged as Collateral without Right
Loans
Total loans, including deferred loan loan costs and PCI			39
Other
Loans
ACL Allocation	$ 7	$ 7	$ 17	$ 238	$ 278	$ 353

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-16

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