Real Estate Owned - Summary of Expenses Related to Foreclosed Real Estate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Real Estate [Abstract]
Net loss (gain) on sales	$ 32	$ 346	$ (377)
Operating expenses, net of rental income	85	240	316
Total	$ 117	$ 586	$ (61)