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Mortgage Servicing Rights - Additional Information (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jul. 01, 2017 | Jun. 30, 2017 | Jun. 30, 2017 | Dec. 31, 2016
Servicing Assets At Fair Value [Line Items] |  |  |  |
Mortgage servicing rights sold |  | $ 11,935 | $ 11,935 |
Mortgage loans serviced |  | 1,086,465 | 1,086,465 |
Mortgage Loans Subserviced |  | $ 1,065,761 | $ 1,065,761 | $ 3,332,903
Subsequent Event |  |  |  |
Servicing Assets At Fair Value [Line Items] |  |  |  |
Mortgage servicing rights portfolio hedging percentage | 50.00% |  |  |

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- Definition Mortgage loans subserviced. + References No definition available. + Details
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- Definition Mortgage servicing rights portfolio hedging percentage. + References No definition available. + Details
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- Definition Amount conveyed to unrelated parties of contract to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 50 -Paragraph 4 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=68078379&loc=d3e122739-111746 + 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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- Details
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