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Securities - Amortized Cost and Fair Value of Available-for-sale Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 173,979	$ 204,217
Gross Unrealized Gains	668	441
Gross Unrealized Losses	(533)	(2,970)
Fair Value	174,114	201,688
U.S. Government-sponsored enterprises (GSEs) [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	24,031	44,117
Gross Unrealized Gains	22	12
Gross Unrealized Losses	(65)	(626)
Fair Value	23,988	43,503
Municipal securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	56,251	55,248
Gross Unrealized Gains	492	276
Gross Unrealized Losses	(17)	(363)
Fair Value	56,726	55,161
Other debt securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	979	977
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(42)	(67)
Fair Value	937	910
Mortgage-backed securities (GSEs) [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	92,718	103,875
Gross Unrealized Gains	154	153
Gross Unrealized Losses	(409)	(1,914)
Fair Value	$ 92,463	$ 102,114

X

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on 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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