Securities - Schedule of Required Fair Value Disclosures for Equity Securities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward]
Fair value at beginning of period	$ 1,839	$ 1,793
Unrealized Gains	53	7
Unrealized Losses	20	40
Fair value at end of period	1,872	1,760
CRA Mutual Fund
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward]
Fair value at beginning of period	1,012	1,044
Unrealized Gains	16	0
Unrealized Losses	0	25
Fair value at end of period	1,028	1,019
Stock in other banks
Equity Securities, FV-NI, Realized Gain (Loss) [Roll Forward]
Fair value at beginning of period	827	749
Unrealized Gains	37	7
Unrealized Losses	20	15
Fair value at end of period	$ 844	$ 741