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Basis of Presentation - Schedule of Intangible Assets – Activity (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Finite-lived Intangible Assets [Roll Forward] |  |
Accumulated Amortization at December 31, 2020 | $ (16,000) | $ (9,000)
Carrying Value at December 31, 2020 | 56,865 |
5 Arches LLC And CoreVest |  |
Finite-lived Intangible Assets [Roll Forward] |  |
Intangible Assets at Acquisition | 81,300 | 81,300
Accumulated Amortization at December 31, 2020 | (24,435) | (8,511)
Carrying Value at December 31, 2020 | $ 56,865 | $ 72,789
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 | $ 45,300 | $ 45,300
Accumulated Amortization at December 31, 2020 | (7,819) | (1,348)
Carrying Value at December 31, 2020 | $ 37,481 | $ 43,952
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 at December 31, 2020 | (6,637) | (3,017)
Carrying Value at December 31, 2020 | $ 11,463 | $ 15,083
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 | $ 9,500 | $ 9,500
Accumulated Amortization at December 31, 2020 | (4,431) | (1,264)
Carrying Value at December 31, 2020 | $ 5,069 | $ 8,236
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 | $ 4,000 | $ 4,000
Accumulated Amortization at December 31, 2020 | (1,860) | (527)
Carrying Value at December 31, 2020 | $ 2,140 | $ 3,473
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 at December 31, 2020 | (1,088) | (188)
Carrying Value at December 31, 2020 | $ 712 | $ 1,612
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 at December 31, 2020 | (2,600) | (2,167)
Carrying Value at December 31, 2020 | $ 0 | $ 433
Weighted Average Amortization Period (in years) | 1 year | 1 year

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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