Investment Securities (Amortized Cost and Fair Value of Available-for-Sale Securities by Contractual Maturity) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Schedule of Available-for-sale Securities [Line Items]
Security obligations due, amortized cost, One to five years	$ 952
Security obligations due, amortized cost, Five to ten years	17,197
Security obligations due, amortized cost, After ten years	141,687
Available for sale, amortized cost, total	159,836
Available for sale, amortized cost	374,945	$ 374,062
Security obligations due, Fair value, One to five years	1,002
Security obligations due, Fair value, Five to ten years	17,939
Security obligations due, Fair value, After ten years	149,507
Total Security obligations due, Fair value	168,448
Investment securities available for sale (carried at fair value)	385,622	370,875
Mortgage-backed securities, Government sponsored agencies
Schedule of Available-for-sale Securities [Line Items]
Available for sale, amortized cost	124,096	106,094
Investment securities available for sale (carried at fair value)	125,801	104,343
Collateralized mortgage obligations, Government sponsored agencies
Schedule of Available-for-sale Securities [Line Items]
Available for sale, amortized cost	91,013	110,994
Investment securities available for sale (carried at fair value)	$ 91,373	$ 109,281

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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