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Loans - Schedule of Loan Portfolio Summarized by Performing and Nonperforming (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 36,565
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	301,404
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	258,471
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	125,717
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	124,012
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	551,056
Financing Receivable, Revolving	134,401
Financing receivable, before allowance for credit loss	1,531,626	$ 1,538,610	$ 1,484,326
Performing Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	36,565
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	301,404
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	258,471
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	125,717
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	123,670
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	548,969
Financing Receivable, Revolving	133,852
Financing receivable, before allowance for credit loss	1,528,648	1,535,956
Nonperforming Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	342
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2,087
Financing Receivable, Revolving	549
Financing receivable, before allowance for credit loss	2,978
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	747
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	28,771
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	40,204
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	18,971
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	15,808
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	30,755
Financing Receivable, Revolving	35,085
Financing receivable, before allowance for credit loss	170,341	178,762	188,132
Commercial and industrial | Performing Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	747
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	28,771
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	40,204
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	18,971
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	15,808
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	30,498
Financing Receivable, Revolving	34,536
Financing receivable, before allowance for credit loss	169,535	177,981
Commercial and industrial | Nonperforming Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	257
Financing Receivable, Revolving	549
Financing receivable, before allowance for credit loss	806
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	17,957
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	149,095
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	138,218
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	65,778
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	82,476
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	351,366
Financing Receivable, Revolving	14,412
Financing receivable, before allowance for credit loss	819,302	821,805	800,277
Commercial real estate | Performing Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	17,957
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	149,095
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	138,218
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	65,778
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	82,134
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	349,936
Financing Receivable, Revolving	14,412
Financing receivable, before allowance for credit loss	817,530	819,932
Commercial real estate | Nonperforming Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	342
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,430
Financing Receivable, Revolving	0
Financing receivable, before allowance for credit loss	1,772
Commercial real estate construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	2,213
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	45,798
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	20,333
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	5,807
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	2,636
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	4,678
Financing Receivable, Revolving	5,382
Financing receivable, before allowance for credit loss	86,847	80,470	54,366
Commercial real estate construction | Performing Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	2,213
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	45,798
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	20,333
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	5,807
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	2,636
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	4,678
Financing Receivable, Revolving	5,382
Financing receivable, before allowance for credit loss	86,847	80,470
Commercial real estate construction | Nonperforming Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0
Financing Receivable, Revolving	0
Financing receivable, before allowance for credit loss	0
Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	13,763
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	74,045
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	58,661
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	34,341
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	22,544
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	157,517
Financing Receivable, Revolving	7
Financing receivable, before allowance for credit loss	360,878	362,098	341,530
Residential mortgage | Performing Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	13,763
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	74,045
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	58,661
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	34,341
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	22,544
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	157,324
Financing Receivable, Revolving	7
Financing receivable, before allowance for credit loss	360,685	362,098
Residential mortgage | Nonperforming Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	193
Financing Receivable, Revolving	0
Financing receivable, before allowance for credit loss	193
Home equity lines of credit
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	1,040
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	41
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	102
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	5,199
Financing Receivable, Revolving	77,531
Financing receivable, before allowance for credit loss	83,913	84,141	88,356
Home equity lines of credit | Performing Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	1,040
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	41
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	102
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	4,992
Financing Receivable, Revolving	77,531
Financing receivable, before allowance for credit loss	83,706	84,141
Home equity lines of credit | Nonperforming Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	207
Financing Receivable, Revolving	0
Financing receivable, before allowance for credit loss	207
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	845
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,654
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,055
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	820
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	446
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,541
Financing Receivable, Revolving	1,984
Financing receivable, before allowance for credit loss	10,345	11,334	$ 11,665
Consumer | Performing Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	845
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,654
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,055
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	820
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	446
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,541
Financing Receivable, Revolving	1,984
Financing receivable, before allowance for credit loss	10,345	$ 11,334
Consumer | Nonperforming Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	0
Financing Receivable, Revolving	0
Financing receivable, before allowance for credit loss	$ 0

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