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Fair Value Measurement - Summary of Financial Assets Measured at Fair Value on Recurring Basis Using Significant Unobservable Inputs (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Investment Securities |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Balance, beginning of period | $ 886 | $ 1,052
Acquired assets at fair value |  | 314
Maturities | (195) | (494)
Amortization |  | 5
Change in unrealized gain |  | 9
Change in fair value | 9 |
Balance, end of period | 700 | 886
Servicing Assets |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Balance, beginning of period | 19,693 | 21,400
Additions, net | 6,417 | 7,562
Change in fair value | (6,639) | (9,269)
Balance, end of period | $ 19,471 | $ 19,693

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- Definition Fair value measurement with unobservable inputs reconciliation recurring basis asset acquired at fair value. + References No definition available. + Details
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- Definition Fair value, measurement with unobservable inputs reconciliation, recurring basis, asset, amortization. + References No definition available. + Details
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- Definition Fair value measurement with unobservable inputs reconciliation recurring basis asset change in unrealized gain loss. + References No definition available. + Details
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- Definition Fair value measurement with unobservable inputs reconciliation recurring basis asset maturities. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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