Fair Value Measurements (Financial Assets Measured at Fair Value on Nonrecurring Basis) (Details) - Nonrecurring [Member] - USD ($) $ in Thousands	Sep. 30, 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	$ 17,381	$ 60,451
Other real estate owned and foreclosed assets, net	8,423	11,648
Total fair value measurements	25,804	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	17,381	60,451
Total fair value measurements	17,381	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	8,423	11,648
Total fair value measurements	$ 8,423	$ 11,648