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Basis of Presentation - Intangible Assets – Activity (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Intangible Assets at Acquisition	$ 34,720
Carrying value	34,720
5 Arches LLC and CoreVest
Finite-Lived Intangible Assets [Line Items]
Intangible Assets at Acquisition	34,720	$ 81,300
Accumulated amortization	(46,580)
Carrying value	$ 34,720	81,300
Weighted Average Amortization Period (in years)	6 years
5 Arches LLC and CoreVest | Borrower network
Finite-Lived Intangible Assets [Line Items]
Intangible Assets at Acquisition	$ 27,773	45,300
Accumulated amortization	(17,527)
Carrying value	$ 27,773	45,300
Weighted Average Amortization Period (in years)	7 years
5 Arches LLC and CoreVest | Broker network
Finite-Lived Intangible Assets [Line Items]
Intangible Assets at Acquisition	$ 6,033	18,100
Accumulated amortization	(12,067)
Carrying value	$ 6,033	18,100
Weighted Average Amortization Period (in years)	5 years
5 Arches LLC and CoreVest | Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Intangible Assets at Acquisition	$ 642	9,500
Accumulated amortization	(8,858)
Carrying value	$ 642	9,500
Weighted Average Amortization Period (in years)	3 years
5 Arches LLC and CoreVest | Tradenames
Finite-Lived Intangible Assets [Line Items]
Intangible Assets at Acquisition	$ 272	4,000
Accumulated amortization	(3,728)
Carrying value	$ 272	4,000
Weighted Average Amortization Period (in years)	3 years
5 Arches LLC and CoreVest | Developed technology
Finite-Lived Intangible Assets [Line Items]
Intangible Assets at Acquisition	$ 0	1,800
Accumulated amortization	(1,800)
Carrying value	$ 0	1,800
Weighted Average Amortization Period (in years)	2 years
5 Arches LLC and CoreVest | Loan administration fees on existing loan assets
Finite-Lived Intangible Assets [Line Items]
Intangible Assets at Acquisition	$ 0	2,600
Accumulated amortization	(2,600)
Carrying value	$ 0	$ 2,600
Weighted Average Amortization Period (in years)	1 year

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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-Publisher FASB
-Name Accounting Standards Codification
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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 50
-Paragraph 5
-URI https://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959

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