Real Estate Owned Schedule of Real Estate Owned Activity (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($) property	Sep. 30, 2020 USD ($) property	Sep. 30, 2021 USD ($) property	Sep. 30, 2020 USD ($) property
Number of Properties
Beginning Balance | property	14	13	13	15
Transfers from mortgage loans | property	4	4	7	9
Disposals | property	(3)	(1)	(5)	(8)
Ending Balance | property	15	16	15	16
Carrying Value
Beginning Balance	$ 35,295	$ 24,044	$ 23,598	$ 30,584
Transfers from mortgage loans	1,479	676	14,033	2,198
Capital expenditures and other adjustments to cost	312	27	2,205	153
Adjustments to record at the lower of cost or fair value	699	147	(1,406)	(813)
Disposals	(783)	(100)	(1,428)	(7,328)
Ending Balance	$ 37,002	$ 24,794	$ 37,002	$ 24,794