Real Estate Owned and Related Debt, Held for Sale - Schedule of Real Estate Owned and Related Debt, Held for Sale (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Real Estate [Abstract]
Real estate owned, held for sale	$ 42,905	$ 42,905
Impairment on real estate owned, held for sale	(550)	0
Real Estate owned, held for sale, net of impairment	42,355	42,905
Debt related to real estate owned, held for sale	(33,000)	(33,000)
Real estate owned, net	$ 9,355	$ 9,905

Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(f))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Name:	us-gaap_RealEstateHeldforsale
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant