Fair Value Measurements (Financial Assets Measured at Fair Value on Nonrecurring Basis) (Details) - Nonrecurring [Member] - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent loans individually evaluated for credit loss	$ 33,859	$ 60,451
Other real estate owned and foreclosed assets, net	9,467	11,648
Total fair value measurements	43,326	72,099
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Collateral-dependent loans individually evaluated for credit loss	33,859	60,451
Total fair value measurements	33,859	60,451
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other real estate owned and foreclosed assets, net	9,467	11,648
Total fair value measurements	$ 9,467	$ 11,648