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

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Amount of financing receivable originated more than five years prior to current fiscal year.

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Amount of financing receivable originated four years prior to current fiscal year.

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Amount of financing receivable originated in current fiscal year.

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Amount of financing receivable originated in fiscal year prior to current fiscal year.

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Amount of financing receivable originated three years prior to current fiscal year.

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Amount of financing receivable that can be withdrawn, repaid and redrawn.

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Loans (Residential, Home Equity and Consumer Loans Based on Payment Activity) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Loans	$ 3,091,998		$ 3,081,973
Consumer Loans
Financing Receivable, Credit Quality Indicator [Line Items]
2020	33,857
2019	16,486
2018	8,467
2017	2,117
2016	924
Prior	2,268
Revolving Loans Amortized Cost Basis	2,598
Loans	66,717	$ 69,264	81,217
Consumer Loans \| Performing
Financing Receivable, Credit Quality Indicator [Line Items]
2020	33,857
2019	16,486
2018	8,456
2017	2,115
2016	910
Prior	2,245
Revolving Loans Amortized Cost Basis	2,563
Loans	66,632
Consumer Loans \| Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	11
2017	2
2016	14
Prior	23
Revolving Loans Amortized Cost Basis	35
Loans	85
Home Equity Loans
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	34
2017	46
2016	67
Prior	490
Revolving Loans Amortized Cost Basis	218,711
Loans	219,348	225,790	225,755
Home Equity Loans \| Performing
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	34
2017	46
2016	67
Prior	490
Revolving Loans Amortized Cost Basis	218,440
Loans	219,077
Home Equity Loans \| Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	271
Loans	271
Residential Mortgage Loans
Financing Receivable, Credit Quality Indicator [Line Items]
2020	45,945
2019	26,536
2018	28,050
2017	28,764
2016	25,155
Prior	101,826
Revolving Loans Amortized Cost Basis	0
Loans	256,276	$ 305,002	$ 304,855
Residential Mortgage Loans \| Performing
Financing Receivable, Credit Quality Indicator [Line Items]
2020	45,945
2019	26,536
2018	28,050
2017	28,764
2016	25,155
Prior	100,998
Revolving Loans Amortized Cost Basis	0
Loans	255,448
Residential Mortgage Loans \| Nonperforming
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	828
Revolving Loans Amortized Cost Basis	0
Loans	$ 828