Basis of Presentation - Schedule of Intangible Assets – Activity (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Finite-lived Intangible Assets [Roll Forward]
Accumulated amortization	$ (12,000)	$ (14,000)
Carrying Value	28,462
5 Arches LLC And CoreVest
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets at Acquisition	94,600	94,600
Accumulated amortization	(66,138)	(53,708)
Carrying Value	$ 28,462	$ 40,892
Weighted Average Amortization Period (in years)	6 years	6 years
Borrower network \| 5 Arches LLC And CoreVest
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets at Acquisition	$ 56,300	$ 56,300
Accumulated amortization	(29,591)	(21,547)
Carrying Value	$ 26,709	$ 34,753
Weighted Average Amortization Period (in years)	7 years	7 years
Broker network \| 5 Arches LLC And CoreVest
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets at Acquisition	$ 18,100	$ 18,100
Accumulated amortization	(17,497)	(13,877)
Carrying Value	$ 603	$ 4,223
Weighted Average Amortization Period (in years)	5 years	5 years
Non-compete agreements \| 5 Arches LLC And CoreVest
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets at Acquisition	$ 11,400	$ 11,400
Accumulated amortization	(10,450)	(9,817)
Carrying Value	$ 950	$ 1,583
Weighted Average Amortization Period (in years)	3 years	3 years
Tradenames \| 5 Arches LLC And CoreVest
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets at Acquisition	$ 4,400	$ 4,400
Accumulated amortization	(4,200)	(4,067)
Carrying Value	$ 200	$ 333
Weighted Average Amortization Period (in years)	3 years	3 years
Developed technology \| 5 Arches LLC And CoreVest
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets at Acquisition	$ 1,800	$ 1,800
Accumulated amortization	(1,800)	(1,800)
Carrying Value	$ 0	$ 0
Weighted Average Amortization Period (in years)	2 years	2 years
Loan administration fees on existing loan assets \| 5 Arches LLC And CoreVest
Finite-lived Intangible Assets [Roll Forward]
Intangible Assets at Acquisition	$ 2,600	$ 2,600
Accumulated amortization	(2,600)	(2,600)
Carrying Value	$ 0	$ 0
Weighted Average Amortization Period (in years)	1 year	1 year

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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