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Unconsolidated Joint Venture - Summarized Financial Information for Unconsolidated Joint Venture (Detail) - USD ($) $ in Thousands | 5 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Statement of Operations: |  |  |
Change in fair value | $ (560) | $ (560) | $ 0
Title Insurance Joint Venture [Member] |  |  |
Statement of Operations: |  |  |
Total net revenue |  | 558 | 391
Total expenses |  | 115 | 117
Net income |  | 443 | 274
Change in fair value |  | $ 222 | $ 137

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