Earnings Per Share - Schedule of Reconciliation of Number of Shares Used in Calculation of Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended									12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Earnings Per Share [Abstract]
Net income (loss)	$ 635	$ 402	$ 699	$ 941	$ (2,864)	$ (2,865)	$ (3,209)	$ 1,124	$ 563	$ 2,677	$ (4,387)	$ 1,425
Shares outstanding for basic EPS:
Weighted average shares outstanding:					18,463,028					18,463,028
Less: Weighted average unallocated mployee Stock Ownership Plan (ESOP) shares					723,232					639,181
Basic weighted shares outstanding	17,823,847	17,811,784	17,799,723	17,787,661	17,739,796	17,739,796				17,823,847
Basic earnings per share	$ 0.04	$ 0.02	$ 0.04	$ 0.05	$ (0.16)	$ (0.16)				$ 0.15	$ (0.16)
Dilutive potential common shares:
Add: Dilutive effect of restricted stock awards and stock options										9,119
Diluted weighted average shares outstanding	17,832,966				17,739,796					17,832,966
Diluted earnings per share	$ 0.04	$ 0.02	$ 0.04	$ 0.05	$ (0.16)	$ (0.16)				$ 0.15	$ (0.16)