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Loans and Allowance for Credit Losses on Loans - Collateral dependent loans (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	$ 3,960,211		$ 3,820,129
Less: allowance for credit losses on loans	55,314	$ 53,392	49,480	$ 45,388	$ 44,308	$ 44,281
Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	53,012		50,478
Real Estate | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	52,284		40,641
Accounts Receivable | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	91		5,915
Equipment | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	637		1,248
Other. | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI			2,674
Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans	14,435		10,744
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans	11,532	11,511	11,968	14,114	12,576	11,751
Commercial | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	950		7,162
Commercial | Real Estate | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	859		883
Commercial | Accounts Receivable | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	91		5,915
Commercial | Other. | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI			364
Commercial | Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans	20		569
Leases
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans	2,690	2,766	2,865	1,736	2,573	3,480
Leases | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	637		1,248
Leases | Equipment | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	637		1,248
Leases | Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans	637		1,248
Commercial real estate - Investor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans	20,031	15,260	10,674	9,436	10,690	10,795
Commercial real estate - Investor | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	31,464		16,576
Commercial real estate - Investor | Real Estate | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	31,464		16,576
Commercial real estate - Investor | Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans	9,159		2,875
Commercial real estate - Owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans	12,562	15,576	15,001	11,478	8,139	4,913
Commercial real estate - Owner occupied | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	17,691		21,498
Commercial real estate - Owner occupied | Real Estate | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	17,691		19,188
Commercial real estate - Owner occupied | Other. | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI			2,310
Commercial real estate - Owner occupied | Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans	4,586		5,808
Construction | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	116
Construction | Real Estate | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	116
Residential real estate - Investor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans	743	746	768	661	703	760
Residential real estate - Investor | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	38		675
Residential real estate - Investor | Real Estate | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	38		675
Residential real estate - Owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans	1,868	1,722	2,046	1,869	1,950	2,832
Residential real estate - Owner occupied | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	1,486		1,817
Residential real estate - Owner occupied | Real Estate | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	1,486		1,817
Residential real estate - Owner occupied | Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans			244
Multifamily
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans	2,737	2,665	2,453	2,434	2,977	3,675
Multifamily | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	591		1,322
Multifamily | Real Estate | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	591		1,322
HELOC
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans	1,694	1,788	1,806	1,542	1,675	2,510
HELOC | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	39		180
HELOC | Real Estate | Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, including deferred loan loan costs and PCI	39		180
HELOC | Collateral
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans	33
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Less: allowance for credit losses on loans	$ 278	$ 313	$ 353	$ 583	$ 167	$ 192

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