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Borrowings - Assets Pledged as Collateral (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Schedule of Borrowings [Line Items] |  |
Outstanding borrowings | $ 41,928 | $ 62,681
Restricted cash | 79,049 | 60,514
Variable Interest Entity, Primary Beneficiary |  |
Schedule of Borrowings [Line Items] |  |
Restricted cash | 19,440 | 12,371
Warehouse credit facilities | Revolving credit facility |  |
Schedule of Borrowings [Line Items] |  |
Outstanding borrowings | 16,323 | 34,994
Warehouse credit facilities | Revolving credit facility | Variable Interest Entity, Primary Beneficiary |  |
Schedule of Borrowings [Line Items] |  |
Outstanding borrowings | 16,323 | 34,994
Aggregate outstanding principal of loans pledged as collateral | 28,854 | 59,709
Aggregate fair value of loans purchased and held by ULT | 28,795 | 60,231
Restricted cash | $ 18,487 | $ 11,270

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- Definition Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5086-111524 + Details
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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
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