Fair Value Schedule of qualitative information on Level 3 measurements (Details) $ in Thousands	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans carried at fair value	$ 5,773	$ 1,103
Other Assets, Fair Value Disclosure	6,918,326	6,783,848
Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans carried at fair value	5,773	1,103
Other Assets, Fair Value Disclosure	6,918,326	6,783,848
Nonrecurring basis
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Assets, Fair Value Disclosure	0	775
Nonrecurring basis | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Assets, Fair Value Disclosure	$ 0	775
Nonrecurring basis | Residential real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Assets, Fair Value Disclosure		775
Nonrecurring basis | Residential real estate | Fair Value, Inputs, Level 3 [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Assets, Fair Value Disclosure		$ 775
Loans Receivable [Member] | Commercial Real Estate Portfolio Segment [Member] | Minimum | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input	0.000	0.000
Loans Receivable [Member] | Commercial Real Estate Portfolio Segment [Member] | Minimum | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Cap Rate [Member] | Valuation, Income Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input	0.070
Loans Receivable [Member] | Commercial Real Estate Portfolio Segment [Member] | Minimum | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Appraised Value | Valuation, Cost Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input	0.388
Loans Receivable [Member] | Commercial Real Estate Portfolio Segment [Member] | Minimum | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Revenue Multiple | Valuation, Cost Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input	0.100
Loans Receivable [Member] | Commercial Real Estate Portfolio Segment [Member] | Maximum | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input	2.020	2.320
Loans Receivable [Member] | Commercial Real Estate Portfolio Segment [Member] | Maximum | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Cap Rate [Member] | Valuation, Income Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input	0.100
Loans Receivable [Member] | Commercial Real Estate Portfolio Segment [Member] | Maximum | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Revenue Multiple | Valuation, Cost Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input	0.120
Loans Receivable [Member] | Commercial Real Estate Portfolio Segment [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input	0.194	0.283
Loans Receivable [Member] | Commercial Real Estate Portfolio Segment [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Cap Rate [Member] | Valuation, Income Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input	0.079
Loans Receivable [Member] | Commercial Real Estate Portfolio Segment [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Appraised Value | Valuation, Cost Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input	0.388
Loans Receivable [Member] | Commercial Real Estate Portfolio Segment [Member] | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Revenue Multiple | Valuation, Cost Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input	0.114
Loans Receivable [Member] | Residential real estate | Minimum | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input	0.019	0.005
Loans Receivable [Member] | Residential real estate | Minimum | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Appraised Value | Valuation, Cost Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input		0.083
Loans Receivable [Member] | Residential real estate | Maximum | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input	1.198	0.786
Loans Receivable [Member] | Residential real estate | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input	0.174	0.116
Loans Receivable [Member] | Residential real estate | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Appraised Value | Valuation, Cost Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired Loans Receivable, Measurement Input		0.083
Loans Receivable [Member] | Nonrecurring basis | Commercial Real Estate Portfolio Segment [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans carried at fair value	$ 5,573	$ 831
Loans Receivable [Member] | Nonrecurring basis | Residential real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Impaired loans carried at fair value	$ 200	$ 272
Other real estate owned | Residential real estate | Minimum | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Real Estate Owned, Measurement Input		0.050
Other real estate owned | Residential real estate | Maximum | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Real Estate Owned, Measurement Input		0.325
Other real estate owned | Residential real estate | Weighted Average [Member] | Fair Value, Inputs, Level 3 [Member] | Measurement Input, Comparability Adjustment [Member] | Valuation, Market Approach [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Real Estate Owned, Measurement Input		0.191
Other real estate owned | Nonrecurring basis | Residential real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other Assets, Fair Value Disclosure		$ 775