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Securities - Amortized Cost and Fair Value of Available-for-sale Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 199,378	$ 177,819
Gross Unrealized Gains	2,677	1,063
Gross Unrealized Losses	(1,053)	(534)
Fair Value	201,002	178,348
U.S. Government-sponsored enterprises (GSEs) [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	17,012	19,015
Gross Unrealized Gains	96	41
Gross Unrealized Losses	(63)	(56)
Fair Value	17,045	19,000
Municipal securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	82,599	63,792
Gross Unrealized Gains	970	618
Gross Unrealized Losses	(252)	(19)
Fair Value	83,317	64,391
Other debt securities [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	5,461	3,481
Gross Unrealized Gains	129	22
Gross Unrealized Losses	(128)	(33)
Fair Value	5,462	3,470
Mortgage-backed securities (GSEs) [Member]
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	94,306	91,531
Gross Unrealized Gains	1,482	382
Gross Unrealized Losses	(610)	(426)
Fair Value	$ 95,178	$ 91,487

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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