Loans - Residential, Home Equity and Consumer Loans Based on Payment Activity (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 3,772,866		$ 3,788,645
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Total	1,238	$ 369
Consumer Loans
Financing Receivable, Credit Quality Indicator [Line Items]
2023-2022	13,674		42,688
2022-2021	38,477		22,727
2021-2020	16,607		5,822
2020-2019	4,814		2,402
2019-2018	1,969		1,545
Prior	2,752		1,563
Revolving Loans Amortized Cost Basis	2,209		3,157
Total	80,502		79,904
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	179
2022	126
2021	20
2020	16
2019	3
Prior	1
Revolving Loans Amortized Cost Basis	0
Total	345	210
Consumer Loans | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
2023-2022	13,674		42,685
2022-2021	38,471		22,708
2021-2020	16,603		5,610
2020-2019	4,811		2,394
2019-2018	1,969		1,543
Prior	2,751		1,553
Revolving Loans Amortized Cost Basis	2,209		3,157
Total	80,488		79,650
Consumer Loans | Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
2023-2022	0		3
2022-2021	6		19
2021-2020	4		212
2020-2019	3		8
2019-2018	0		2
Prior	1		10
Revolving Loans Amortized Cost Basis	0		0
Total	14		254
Home Equity Loans
Financing Receivable, Credit Quality Indicator [Line Items]
2023-2022	0		63
2022-2021	114		20
2021-2020	424		0
2020-2019	91		0
2019-2018	68		19
Prior	1,084		592
Revolving Loans Amortized Cost Basis	275,795		279,054
Total	277,576		279,748
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	4
Revolving Loans Amortized Cost Basis	10
Total	14	37
Home Equity Loans | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
2023-2022	0		63
2022-2021	74		0
2021-2020	153		0
2020-2019	91		0
2019-2018	0		0
Prior	861		591
Revolving Loans Amortized Cost Basis	275,732		278,784
Total	276,911		279,438
Home Equity Loans | Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
2023-2022	0		0
2022-2021	40		20
2021-2020	271		0
2020-2019	0		0
2019-2018	68		19
Prior	223		1
Revolving Loans Amortized Cost Basis	63		270
Total	665		310
Residential Mortgage Loans
Financing Receivable, Credit Quality Indicator [Line Items]
2023-2022	12,701		69,982
2022-2021	69,799		97,337
2021-2020	93,346		47,104
2020-2019	45,172		20,080
2019-2018	19,376		16,742
Prior	109,944		99,437
Revolving Loans Amortized Cost Basis	0		0
Total	350,338		350,682
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	0
2021	21
2020	5
2019	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Total	26	0
Residential Mortgage Loans | Performing
Financing Receivable, Credit Quality Indicator [Line Items]
2023-2022	12,701		69,982
2022-2021	69,799		97,176
2021-2020	93,206		46,851
2020-2019	44,964		20,080
2019-2018	19,267		16,664
Prior	109,621		98,699
Revolving Loans Amortized Cost Basis	0		0
Total	349,558		349,452
Residential Mortgage Loans | Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
2023-2022	0		0
2022-2021	0		161
2021-2020	140		253
2020-2019	208		0
2019-2018	109		78
Prior	323		738
Revolving Loans Amortized Cost Basis	0		0
Total	780		1,230
Commercial and Industrial Loans
Financing Receivable, Credit Quality Indicator [Line Items]
2023-2022	23,934		158,088
2022-2021	152,250		123,425
2021-2020	109,484		41,375
2020-2019	38,149		47,887
2019-2018	44,561		20,002
Prior	68,956		56,065
Revolving Loans Amortized Cost Basis	171,536		173,264
Total	608,870		$ 620,106
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
2023	0
2022	520
2021	32
2020	30
2019	0
Prior	50
Revolving Loans Amortized Cost Basis	101
Total	$ 733	$ 5