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Loans Held for Sale, at Fair Value - Summary of Loans Held for Sale at Cost Basis and Fair Value (Detail) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
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Accounts Notes And Loans Receivable [Line Items] |  |
Loans held for sale | $ 965,639 | $ 362,635
Cost Basis |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Loans held for sale | 950,514 | 360,440
Fair Value |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Loans held for sale | $ 965,639 | $ 362,635

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- Definition Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables. + References No definition available. + Details
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- Details
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