Securities - Amortized Cost And Fair Value Of Securities By Contractual Maturity Of Available-For-Sale Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Due in one year or less, Amortized Cost	$ 0
Due after one year through five years, Amortized Cost	199
Due after five years through ten years, Amortized Cost	5,419
Due after ten years, Amortized Cost	38,682
Total bonds and obligations, Amortized Cost	44,300
Due in one year or less, Fair Value	0
Due after one year through five years, Fair Value	200
Due after five years through ten years, Fair Value	5,481
Due after ten years, Fair Value	39,425
Total bonds and obligations, Fair Value	45,106
Securities available for sale, amortized cost	97,566	$ 89,853
Securities available for sale, at fair value	98,067	88,611
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities available for sale, amortized cost	16,960	13,115
Securities available for sale, at fair value	16,993	13,087
U.S. Government-Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Securities available for sale, amortized cost	36,306	33,483
Securities available for sale, at fair value	$ 35,968	$ 32,854