Investment Securities (Investments Classified by Contractual Maturity Date) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Schedule of Investments [Line Items]
Available for sale Securities, Amortized Cost, Due after 1 year but within 5 years	$ 19,457
Available for sale Securities, Amortized Cost, Due after 5 years but within 10 years	16,463
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis, Total	35,920
Available-for-sale debt securities, Amortized Cost	52,558	$ 116,027
Available for sale Securities, Fair Value, Due after 1 year but within 5 years	19,403
Available for sale Securities, Fair Value, Due after 5 years but within 10 years	16,505
Available-for-sale Securities, Debt Maturities, Single Maturity Date, Fair Value, Total	35,908
Available for sale Securities, Fair Value	52,419	111,923
Held-to-maturity, Due in 1 year or less, Amortized Cost	3,990
Held-to-maturity, Due after 1 year through 5 years, Amortized Cost	19,663
Held-to-maturity, Due after 5 years through 10 years, Amortized Cost	79,347
Held-to-maturity Securities, Debt Maturities, Single Maturity Date, Amortized Cost Basis	103,000
Held-to-maturity debt securities, Amortized Cost	170,472	168,370
Held-to-maturity, Due in 1 year or less, Fair Value	3,992
Held-to-maturity, Due after 1 year through 5, Fair Value	19,926
Held-to-maturity, Due after 5 years through 10 years, Fair Value	81,930
Held-to-maturity Securities, Debt Maturities, Single Maturity Date, Fair Value	105,848
Held-to-maturity, Fair Value	173,722	$ 166,582
Mortgage-backed securities [Member]
Schedule of Investments [Line Items]
Available for sale Securities without a Single Maturity Date, Amortized Cost	16,638
Available for sale securities without a Single Maturity Date, Fair Value	16,511
Held-to-maturity without Single Maturity Date, Amortized Cost	67,472
Held-to-maturity without Single Maturity Date, Fair Value	$ 67,874