Loans - Modification Statuses by Portfolio Segment (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($) loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	60	74
Balance | $	$ 1,647,649	$ 1,476,761
Commercial/Municipal Portfolio Segment | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	607
Percentage of loans receivable, by type	1.000
Balance | $	$ 231,386
Percentage of balance	100.00%
Commercial/Municipal Portfolio Segment | Paid Off | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	216
Percentage of loans receivable, by type	0.360
Balance | $	$ 53,316
Percentage of balance	23.00%
Commercial/Municipal Portfolio Segment | Charged Off | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	2
Percentage of loans receivable, by type	0
Balance | $	$ 121
Percentage of balance	0.00%
Commercial/Municipal Portfolio Segment | Subsequent Modification | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	1
Percentage of loans receivable, by type	0
Balance | $	$ 999
Percentage of balance	0.00%
Commercial/Municipal Portfolio Segment | Still in Original Modification | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	0
Percentage of loans receivable, by type	0
Balance | $	$ 0
Percentage of balance	0.00%
Commercial/Municipal Portfolio Segment | Out of Modification | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	388
Percentage of loans receivable, by type	0.640
Balance | $	$ 176,950
Percentage of balance	77.00%
Residential | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	377
Percentage of loans receivable, by type	1.000
Balance | $	$ 52,469
Percentage of balance	100.00%
Residential | Paid Off | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	80
Percentage of loans receivable, by type	0.210
Balance | $	$ 13,085
Percentage of balance	25.00%
Residential | Subsequent Modification | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	15
Percentage of loans receivable, by type	0.040
Balance | $	$ 1,812
Percentage of balance	3.00%
Residential | Still in Original Modification | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	0
Percentage of loans receivable, by type	0
Balance | $	$ 0
Percentage of balance	0.00%
Residential | Out of Modification | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	282
Percentage of loans receivable, by type	0.750
Balance | $	$ 37,572
Percentage of balance	72.00%
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	1	1
Balance | $	$ 22,976	$ 25,857
Consumer | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	69
Percentage of loans receivable, by type	1.000
Balance | $	$ 958
Percentage of balance	100.00%
Consumer | Paid Off | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	25
Percentage of loans receivable, by type	0.360
Balance | $	$ 260
Percentage of balance	27.00%
Consumer | Charged Off | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	1
Percentage of loans receivable, by type	0.010
Balance | $	$ 10
Percentage of balance	1.00%
Consumer | Subsequent Modification | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	2
Percentage of loans receivable, by type	0.030
Balance | $	$ 43
Percentage of balance	5.00%
Consumer | Still in Original Modification | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	0
Percentage of loans receivable, by type	0
Balance | $	$ 0
Percentage of balance	0.00%
Consumer | Out of Modification | Exemption from Troubled Debt Restructure Designation, CARES Act
Accounts, Notes, Loans and Financing Receivable [Line Items]
Units | loan	41
Percentage of loans receivable, by type	0.600
Balance | $	$ 645
Percentage of balance	67.00%