Real Estate Owned Schedule of Real Estate Owned Activity (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($) property	Sep. 30, 2019 USD ($) property	Sep. 30, 2020 USD ($) property	Sep. 30, 2019 USD ($) property
Number of Properties
Beginning Balance | property	13	20	15	20
Transfers from mortgage loans | property	4	1	9	5
Disposals | property	(1)	(7)	(8)	(11)
Ending Balance | property	16	14	16	14
Carrying Value
Beginning Balance	$ 24,044	$ 47,621	$ 30,584	$ 30,778
Transfers from mortgage loans	676	601	2,198	18,314
Capital expenditures and other adjustments to cost	27	0	153	240
Adjustments to record at the lower of cost or fair value	147	6	(813)	(257)
Disposals	(100)	(3,805)	(7,328)	(4,652)
Ending Balance	$ 24,794	$ 44,423	$ 24,794	$ 44,423