Earnings Per Share - Summary of Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Numerator
Net income available to common stockholders	$ 3,997	$ 2,214	$ 8,917	$ 3,817
Weighted average number of common shares
Outstanding for basic earnings per common share (in shares)	9,498,783	9,498,783	9,498,783	9,498,783
Weighted-average number of shares outstanding for diluted earnings per common share (in shares)	9,498,783	9,498,783	9,498,783	9,498,783
Earnings per share - basic (in dollars per share)	$ 0.42	$ 0.23	$ 0.94	$ 0.40
Earnings per share - diluted (in dollars per share)	$ 0.42	$ 0.23	$ 0.94	$ 0.40