Loans - Balance by Class of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Loan Portfolio Classifications, Adoption of CECL
Total loans	$ 3,230,156	$ 3,180,518
ACL for loans	(55,002)	(52,640)
Net loans	3,175,154	3,127,878
Commercial
Loan Portfolio Classifications, Adoption of CECL
Total loans	2,810,143	2,759,949
Commercial real estate
Loan Portfolio Classifications, Adoption of CECL
Total loans	1,929,544	1,921,410
Commercial and industrial
Loan Portfolio Classifications, Adoption of CECL
Total loans	423,864	414,490
Commercial construction
Loan Portfolio Classifications, Adoption of CECL
Total loans	456,735	424,049
Retail
Loan Portfolio Classifications, Adoption of CECL
Total loans	420,013	420,569
Residential mortgages
Loan Portfolio Classifications, Adoption of CECL
Total loans	335,834	332,632
Home equity loans and lines
Loan Portfolio Classifications, Adoption of CECL
Total loans	75,809	79,807
Consumer
Loan Portfolio Classifications, Adoption of CECL
Total loans	$ 8,370	$ 8,130

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
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-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
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-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
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-Section 50
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-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447

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