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Loans and Allowance for Credit Losses - Schedule of Loan Portfolio Summarized by Performing and Nonperforming (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	$ 120,809
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	302,633
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	251,864
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	121,821
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	115,020
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	529,661
Financing Receivable, Revolving	132,009
Financing receivable, before allowance for credit loss	1,573,817	$ 1,538,610	$ 1,509,792
Performing Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	120,809
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	302,633
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	251,864
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	121,821
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	114,696
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	526,830
Financing Receivable, Revolving	131,505
Financing receivable, before allowance for credit loss	1,570,158	1,534,753
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	324
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	2,831
Financing Receivable, Revolving	504
Financing receivable, before allowance for credit loss	3,659	3,857
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	3,187
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	27,255
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	39,524
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	17,399
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	15,136
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	27,196
Financing Receivable, Revolving	28,840
Financing receivable, before allowance for credit loss	158,537	178,762	177,115
Commercial and industrial | Performing Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	3,187
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	27,255
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	39,524
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	17,399
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	15,136
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	26,956
Financing Receivable, Revolving	28,336
Financing receivable, before allowance for credit loss	157,793	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	240
Financing Receivable, Revolving	504
Financing receivable, before allowance for credit loss	744	781
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	72,528
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	152,576
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	145,888
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	69,291
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	77,693
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	340,852
Financing Receivable, Revolving	14,959
Financing receivable, before allowance for credit loss	873,787	821,805	818,117
Commercial real estate | Performing Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	72,528
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	152,576
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	145,888
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	69,291
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	77,369
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	339,575
Financing Receivable, Revolving	14,959
Financing receivable, before allowance for credit loss	872,186	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	324
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,277
Financing Receivable, Revolving	0
Financing receivable, before allowance for credit loss	1,601	1,873
Commercial real estate construction
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	9,045
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	44,246
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	7,420
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,109
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	342
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	4,538
Financing Receivable, Revolving	7,251
Financing receivable, before allowance for credit loss	73,951	80,470	69,120
Commercial real estate construction | Performing Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	9,045
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	44,246
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	7,420
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,109
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	342
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	4,538
Financing Receivable, Revolving	7,251
Financing receivable, before allowance for credit loss	73,951	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	0
Residential mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	33,721
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	75,386
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	58,061
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	33,282
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	21,388
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	150,692
Financing Receivable, Revolving	289
Financing receivable, before allowance for credit loss	372,819	362,098	348,475
Residential mortgage | Performing Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	33,721
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	75,386
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	58,061
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	33,282
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	21,388
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	149,704
Financing Receivable, Revolving	289
Financing receivable, before allowance for credit loss	371,831	361,393
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	988
Financing Receivable, Revolving	0
Financing receivable, before allowance for credit loss	988	705
Home equity lines of credit
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	939
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	40
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	99
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	5,052
Financing Receivable, Revolving	78,889
Financing receivable, before allowance for credit loss	85,019	84,141	83,589
Home equity lines of credit | Performing Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	939
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	40
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	99
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	4,726
Financing Receivable, Revolving	78,889
Financing receivable, before allowance for credit loss	84,693	83,643
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	326
Financing Receivable, Revolving	0
Financing receivable, before allowance for credit loss	326	498
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	1,389
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,130
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	971
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	740
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	362
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,331
Financing Receivable, Revolving	1,781
Financing receivable, before allowance for credit loss	9,704	11,334	$ 13,376
Consumer | Performing Loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing Receivable, Year One, Originated, Current Fiscal Year	1,389
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	3,130
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	971
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	740
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	362
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	1,331
Financing Receivable, Revolving	1,781
Financing receivable, before allowance for credit loss	9,704	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	$ 0

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