Loans - Residential, Home Equity and Consumer Loans Based on Payment Activity (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 3,656,034	$ 3,007,926
Consumer Loans
Financing Receivable, Credit Quality Indicator [Line Items]
2022-2021	10,783	39,926
2021-2020	44,901	15,900
2020-2019	15,779	4,325
2019-2018	4,531	4,531
2018-2017	4,323	600
Prior	2,437	1,670
Revolving Loans Amortized Cost Basis	3,768	3,350
Total	86,522	70,302
Consumer Loans \| Performing
Financing Receivable, Credit Quality Indicator [Line Items]
2022-2021	10,783	39,923
2021-2020	44,901	15,900
2020-2019	15,779	4,325
2019-2018	4,531	4,531
2018-2017	4,320	600
Prior	2,423	1,655
Revolving Loans Amortized Cost Basis	3,768	3,350
Total	86,505	70,284
Consumer Loans \| Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
2022-2021	0	3
2021-2020	0	0
2020-2019	0	0
2019-2018	0	0
2018-2017	3	0
Prior	14	15
Revolving Loans Amortized Cost Basis	0	0
Total	17	18
Home Equity Loans
Financing Receivable, Credit Quality Indicator [Line Items]
2022-2021	34	0
2021-2020	0	0
2020-2019	0	0
2019-2018	0	21
2018-2017	21	0
Prior	830	836
Revolving Loans Amortized Cost Basis	248,139	221,668
Total	249,024	222,525
Home Equity Loans \| Performing
Financing Receivable, Credit Quality Indicator [Line Items]
2022-2021	34	0
2021-2020	0	0
2020-2019	0	0
2019-2018	0	21
2018-2017	21	0
Prior	821	835
Revolving Loans Amortized Cost Basis	247,932	221,644
Total	248,808	222,500
Home Equity Loans \| Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
2022-2021	0	0
2021-2020	0	0
2020-2019	0	0
2019-2018	0	0
2018-2017	0	0
Prior	9	1
Revolving Loans Amortized Cost Basis	207	24
Total	216	25
Residential Mortgage Loans
Financing Receivable, Credit Quality Indicator [Line Items]
2022-2021	18,859	84,809
2021-2020	104,561	38,717
2020-2019	54,127	15,244
2019-2018	22,424	17,369
2018-2017	20,613	19,688
Prior	121,466	87,738
Revolving Loans Amortized Cost Basis	90	0
Total	342,140	263,565
Residential Mortgage Loans \| Performing
Financing Receivable, Credit Quality Indicator [Line Items]
2022-2021	18,859	84,809
2021-2020	104,561	38,717
2020-2019	54,014	15,244
2019-2018	22,424	17,369
2018-2017	20,538	19,688
Prior	120,669	87,164
Revolving Loans Amortized Cost Basis	90	0
Total	341,155	262,991
Residential Mortgage Loans \| Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
2022-2021	0	0
2021-2020	0	0
2020-2019	113	0
2019-2018	0	0
2018-2017	75	0
Prior	797	574
Revolving Loans Amortized Cost Basis	0	0
Total	$ 985	$ 574

Amount, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes financing receivable covered under loss sharing agreement.

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