Fair Value Measurements (Assets and Liabilities Measured on Recurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Securities available for sale:
Available-for-sale Securities, Fair Value Disclosure	$ 213,390	$ 163,902
U.S. Government Agencies [Member]
Securities available for sale:
Available-for-sale Securities, Fair Value Disclosure	52,003	34,318
Mortgage-backed [Member]
Securities available for sale:
Available-for-sale Securities, Fair Value Disclosure	160,725	128,944
Equity [Member]
Securities available for sale:
Available-for-sale Securities, Fair Value Disclosure	662	640
Fair Value, Inputs, Level 2 [Member]
Securities available for sale:
Available-for-sale Securities, Fair Value Disclosure	213,390	163,902
Fair Value, Inputs, Level 2 [Member] | U.S. Government Agencies [Member]
Securities available for sale:
Available-for-sale Securities, Fair Value Disclosure	52,003	34,318
Fair Value, Inputs, Level 2 [Member] | Mortgage-backed [Member]
Securities available for sale:
Available-for-sale Securities, Fair Value Disclosure	160,725	128,944
Fair Value, Inputs, Level 2 [Member] | Equity [Member]
Securities available for sale:
Available-for-sale Securities, Fair Value Disclosure	$ 662	$ 640