Summary of REO Transactions and Valuation Adjustments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Real Estate Owned REO Details [Line Items]
Balance, beginning of period			$ 8,805
Valuation allowance adjustment			(294)
Balance, end of period	$ 8,258		8,258
R E O Balance
Real Estate Owned REO Details [Line Items]
Balance, beginning of period	12,044	$ 12,161	12,044	$ 6,491
Valuation allowance adjustment	0		0
Acquisitions from foreclosure		0		5,787
Dispositions	(1,586)	0	(1,586)	(117)
Balance, end of period	10,458	12,161	10,458	12,161
Valuation Allowance
Real Estate Owned REO Details [Line Items]
Valuation allowance, balance, beginning of period	(3,533)	(3,239)	(3,239)	(3,239)
Valuation allowance adjustment	0		(294)
Dispositions	1,333	0	1,333
Valuation allowance, Balance, end of period	(2,200)	(3,239)	(2,200)	(3,239)
R E O Net
Real Estate Owned REO Details [Line Items]
Balance, beginning of period	8,511	8,922	8,805	3,252
Valuation allowance adjustment	0		(294)
Acquisitions from foreclosure		0		5,787
Dispositions	(253)	0	(253)	(117)
Balance, end of period	$ 8,258	$ 8,922	$ 8,258	$ 8,922