Merger - Summary of Proforma Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Business Acquisition, Pro Forma Information [Abstract]
Net interest income	$ 6,751	$ 6,071	$ 20,487	$ 17,432
Non-interest income	514	695	1,970	1,536
Net income (loss)	$ (78)	$ 1,993	$ 6,483	$ 2,960
Basic earnings (loss) per common share	$ (0.01)	$ 0.21	$ 0.66	$ 0.32
Diluted earnings (loss) per common share	$ (0.01)	$ 0.21	$ 0.63	$ 0.31