Fair Value Accounting and Measurement (Financial Assets Accounted For Fair Value On Nonrecurring Basis) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Securities without Readily Determinable Fair Value, Amount	$ 13,425	$ 13,425	$ 0
Fair Value, Option, Changes in Fair Value, Gain (Loss)	339	(508)	$ 0
Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans, Fair Value	7,615	15,569
Other real estate owned, fair value disclosure	375	525
Equity Securities without Readily Determinable Fair Value, Amount		13,425
Fair Value, Inputs, Level 1 | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans, Fair Value	0	0
Other real estate owned, fair value disclosure	0	0
Equity Securities without Readily Determinable Fair Value, Amount		0
Fair Value, Inputs, Level 2 | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans, Fair Value	0	0
Other real estate owned, fair value disclosure	0	0
Equity Securities without Readily Determinable Fair Value, Amount		13,425
Fair Value, Inputs, Level 3 | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral dependent loans, Fair Value	7,615	15,569
Other real estate owned, fair value disclosure	375	525
Equity Securities without Readily Determinable Fair Value, Amount		0
Collateral dependent loans [Domain] | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Option, Changes in Fair Value, Gain (Loss)	1,976	8,700
Other real estate owned | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Option, Changes in Fair Value, Gain (Loss)	$ 140	70
equity securities without readily determinable fair value [Domain] | Fair Value, Nonrecurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Option, Changes in Fair Value, Gain (Loss)		$ (13,425)