Investment Securities - Available-for-sale (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 213,506	$ 226,250
Unrealized Gain	3,096	288
Unrealized Loss	(1,015)	(4,924)
Fair Value	215,587	221,614
U. S. Agency securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	54,939	79,041
Unrealized Gain	239	14
Unrealized Loss	(221)	(1,625)
Fair Value	54,957	77,430
U.S. Sponsored Mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	47,610	52,154
Unrealized Gain	105	0
Unrealized Loss	(700)	(2,039)
Fair Value	47,015	50,115
Municipal securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	100,530	84,747
Unrealized Gain	2,589	206
Unrealized Loss	(90)	(1,192)
Fair Value	103,029	83,761
Total debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	203,079	215,942
Unrealized Gain	2,933	220
Unrealized Loss	(1,011)	(4,856)
Fair Value	205,001	211,306
Other securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	10,427	10,308
Unrealized Gain	163	68
Unrealized Loss	(4)	(68)
Fair Value	$ 10,586	$ 10,308

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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