Investment Securities (Investments Classified by Contractual Maturity Date) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Schedule of Investments [Line Items]
Available-for-sale Securities, Amortized Cost, Due in 1 year or less	$ 3,250
Available-for-sale Securities, Amortized Cost, Due in 1 year or less	4,886
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis, Total	8,136
Available-for-sale debt securities, Amortized Cost	8,138	$ 5,752
Available-for-sale Securities, Fair Value, Due after 1 year but within 5 years	3,252
Available-for-sale Securities, Fair Value, Due after 5 years but within 10 years	4,908
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Fair Value, Total	8,160
Available-for-sale debt securities, Fair Value	8,162	5,748
Held-to-maturity, Due in 1 year or less, Amortized Cost	3,888
Held-to-maturity, Due after 1 year through 5 years, Amortized Cost	38,391
Held-to-maturity, Due after 5 years through 10 years, Amortized Cost	79,543
Held-to-maturity Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis	121,822
Held-to-maturity debt securities, Amortized Cost	153,032	128,292
Held-to-maturity, Due in 1 year or less, Fair Value	3,934
Held-to-maturity, Due after 1 year through 5, Fair Value	40,096
Held-to-maturity, Due after 5 years through 10 years, Fair Value	80,564
Held-to-maturity Securities, Debt Maturities, Single Maturity Date, Fair Value	124,594
Held-to-maturity, Fair Value	156,579	$ 132,794
Mortgage-backed securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Securities without a Single Maturity Date, Amortized Cost	2
Available-for-sale securities without a Single Maturity Date, Fair Value	2
Held-to-maturity without Single Maturity Date, Amortized Cost	31,210
Held-to-maturity without Single Maturity Date, Fair Value	$ 31,985