Investment Securities (Investments Classified by Contractual Maturity Date) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Schedule of Investments [Line Items]
Available for Sale Securities, Amortized Cost, Due after 1 year but within 5 years	$ 4,750
Available for Sale Securities, Amortized Cost, Due after 5 years but within 10 years	1,000
Available for Sale Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis, Total	5,750
Available-for-sale debt securities, Amortized Cost	5,752	$ 37,170
Available for Sale Securities, Fair Value, Due after 1 year but within 5 years	4,747
Available for Sale Securities, Fair Value, Due after 5 years but within 10 years	999
Available for Sale Securities, Debt Maturities, Single Maturity Date, Fair Value, Total	5,746
Available for Sale Securities, Fair Value	5,748	37,009
Held to Maturity, Due after 1 year through 5 years, Amortized Cost	33,983
Held to Maturity, Due after 5 years through 10 years, Amortized Cost	51,364
Held to Maturity, Due after 10 years, Amortized Cost	2,135
Held to Maturity Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis	87,482
Held-to-maturity debt securities, Amortized Cost	128,292	136,477
Held to Maturity, Due after 1 year through 5, Fair Value	35,196
Held to Maturity, Due after 5 years through 10 years, Fair Value	53,659
Held to Maturity, Due after 10 years, Fair Value	2,196
Held to Maturity Securities, Debt Maturities, Single Maturity Date, Fair Value	91,051
Held to Maturity, Fair Value	132,794	$ 137,476
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	40,810
Held to Maturity without Single Maturity Date, Fair Value	$ 41,743