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Loans - Schedule of Classes of the Loan Portfolio Summarized by the Aggregate Risk Rating (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	$ 1,531,626	$ 1,484,326	$ 1,538,610
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, Allowance for Credit Loss, Writeoff	117	82
Financing Receivable, Revolving, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	61
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	7
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	6
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	28
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	15
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	1,481,721		1,489,259
Financing Receivable, Year One, Originated, Current Fiscal Year	35,789
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	295,930
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	255,540
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	123,310
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	117,453
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	523,300
Financing Receivable, Revolving	130,399
Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	41,622		41,908
Financing Receivable, Year One, Originated, Current Fiscal Year	767
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	5,454
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	2,931
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	2,384
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	5,978
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	20,673
Financing Receivable, Revolving	3,435
Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	8,283		7,443
Financing Receivable, Year One, Originated, Current Fiscal Year	9
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	20
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	23
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	581
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	7,083
Financing Receivable, Revolving	567
Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0		0
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
Performing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	1,528,648		1,535,956
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
Nonaccrual Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss			2,654
Loss
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss			0
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	170,341	188,132	178,762
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, Allowance for Credit Loss, Writeoff	29	63
Financing Receivable, Revolving, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	29
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Commercial and industrial | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	164,597		173,437
Financing Receivable, Year One, Originated, Current Fiscal Year	616
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	28,398
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	39,838
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	18,419
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	15,602
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	29,113
Financing Receivable, Revolving	32,611
Commercial and industrial | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	4,265		4,035
Financing Receivable, Year One, Originated, Current Fiscal Year	122
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	353
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	366
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	529
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	191
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	779
Financing Receivable, Revolving	1,925
Commercial and industrial | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	1,479		1,290
Financing Receivable, Year One, Originated, Current Fiscal Year	9
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	20
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	23
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	15
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	863
Financing Receivable, Revolving	549
Commercial and industrial | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0		0
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
Commercial and industrial | Performing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	169,535		177,981
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
Commercial and industrial | Nonaccrual Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss			781
Commercial and industrial | Loss
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss			0
Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	819,302	800,277	821,805
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, Allowance for Credit Loss, Writeoff	0	0
Financing Receivable, Revolving, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Commercial real estate | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	785,137		786,711
Financing Receivable, Year One, Originated, Current Fiscal Year	17,795
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	144,561
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	136,844
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	64,435
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	76,946
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	330,957
Financing Receivable, Revolving	13,599
Commercial real estate | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	28,720		29,540
Financing Receivable, Year One, Originated, Current Fiscal Year	162
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	4,534
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	1,374
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	1,343
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	4,964
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	15,530
Financing Receivable, Revolving	813
Commercial real estate | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	5,445		5,554
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	566
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	4,879
Financing Receivable, Revolving	0
Commercial real estate | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0		0
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
Commercial real estate | Performing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	817,530		819,932
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
Commercial real estate | Nonaccrual Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss			1,873
Commercial real estate | Loss
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss			0
Commercial real estate construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	86,847	54,366	80,470
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, Allowance for Credit Loss, Writeoff	0	0
Financing Receivable, Revolving, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Commercial real estate construction | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	85,029		78,652
Financing Receivable, Year One, Originated, Current Fiscal Year	2,213
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	45,315
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	19,862
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	5,714
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	2,636
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	3,907
Financing Receivable, Revolving	5,382
Commercial real estate construction | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	1,818		1,818
Financing Receivable, Year One, Originated, Current Fiscal Year	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	483
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	471
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	93
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	771
Financing Receivable, Revolving	0
Commercial real estate construction | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0		0
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
Commercial real estate construction | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0		0
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
Commercial real estate construction | Performing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	86,847		80,470
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
Commercial real estate construction | Nonaccrual Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss			0
Commercial real estate construction | Loss
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss			0
Residential mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	360,878	341,530	362,098
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, Allowance for Credit Loss, Writeoff	0	0
Financing Receivable, Revolving, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Residential mortgage | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	353,961		356,081
Financing Receivable, Year One, Originated, Current Fiscal Year	13,280
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	73,961
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	57,941
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	33,922
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	21,721
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	153,129
Financing Receivable, Revolving	7
Residential mortgage | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	6,085		5,803
Financing Receivable, Year One, Originated, Current Fiscal Year	483
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year	84
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year	720
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year	419
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year	823
Financing Receivable, Originated, More than Five Years before Current Fiscal Year	3,556
Financing Receivable, Revolving	0
Residential mortgage | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	832		214
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	832
Financing Receivable, Revolving	0
Residential mortgage | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0		0
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
Residential mortgage | Performing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	360,685		362,098
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
Residential mortgage | Nonaccrual Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss			0
Residential mortgage | Loss
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss			0
Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	83,913	88,356	84,141
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, Allowance for Credit Loss, Writeoff	0	0
Financing Receivable, Revolving, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	0
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Home equity lines of credit | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	82,670		83,044
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	4,653
Financing Receivable, Revolving	76,834
Home equity lines of credit | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	734		712
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	37
Financing Receivable, Revolving	697
Home equity lines of credit | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	509		385
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	509
Financing Receivable, Revolving	0
Home equity lines of credit | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0		0
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
Home equity lines of credit | Performing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	83,706		84,141
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
Home equity lines of credit | Nonaccrual Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss			0
Home equity lines of credit | Loss
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss			0
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	10,345	11,665	11,334
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, Allowance for Credit Loss, Writeoff	88	$ 19
Financing Receivable, Revolving, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	32
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	7
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	6
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	28
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	15
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Consumer | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	10,327		11,334
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	1,966
Consumer | Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0		0
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
Consumer | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	18		0
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	18
Consumer | Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	0		0
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
Consumer | Performing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss	10,345		11,334
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
Consumer | Nonaccrual Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss			0
Consumer | Loss
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, before allowance for credit loss			$ 0

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