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v3.3.1.900

Commitments and Contingencies - Additional Information (Detail) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jul. 15, 2010 Plaintiff | Dec. 31, 2015 USD ($) lease repurchase_request | Dec. 31, 2014 USD ($) loan repurchase_request | Dec. 31, 2013 USD ($)
Loss Contingencies [Line Items] |  |  |  |
Number of non-cancelable leases | lease |  | 9 |  |
Lease expiration year |  | 2021 |  |
Future lease commitments with expiration date |  | $ 10,254 |  |
Operating lease expense |  | 3,000 | $ 3,000 | $ 2,000
Unamortized leasehold improvements (less than) |  | 1,000 |  |
Leasehold amortization expense (less than) |  | 1,000 | 1,000 | 1,000
Residential loans repurchase reserve |  | $ 6,403 | $ 3,724 |
Residential loans repurchase requests | repurchase_request |  | 79 | 0 |
Residential loans, number of loans repurchased | loan |  |  | 1 |
Residential loans repurchased during period |  |  | $ 61 |
Residential loans repurchase provision |  | $ (3,000) | 2,000 | $ 2,000
Aggregate amount of loss contingency reserves |  | 2,000 | 2,000 |
Schwab |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of other named defendants along with SRF | Plaintiff | 26 |  |  |
Residential Loans at Lower of Cost or Fair Value |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Principal amount outstanding on loans securitized |  | 2,000 | $ 2,000 |
Other Income |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Fee income from risk sharing agreement |  | 3,000 |  |
Mortgage Banking And Investment Activities |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Market valuation changes in fair value of guarantee asset |  | (2,000) |  |
Guarantee Obligations |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Original principal balance of loans sold subject to risk sharing agreement |  | 2,910,000 |  |
Potential future payments on risk sharing agreements |  | 39,000 |  |
Principal amount outstanding on loans securitized |  | $ 2,710,000 |  |
FICO credit score |  | 758 |  |
Loan to value ratio |  | 76.00% |  |
Guarantee Obligations | Financing Receivables, Equal To Greater Than 30 Days Past Due [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loans past due |  | $ 11,000 |  |
Guarantee Obligations | Financing Receivables, Equal to Greater than 90 Days Past Due [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Loans past due |  | $ 1,000 |  |
Residential | Sequoia | FHLB Seattle |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Statutory interest rate per annum |  | 8.00% |  |
Original principal amount of securities |  | $ 133,000 |  |
Debt instrument principal payment amount |  | 120,000 |  |
Debt instrument interest payment amount |  | 11,000 |  |
Residential | Sequoia | Schwab |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Original principal amount of securities |  | 15,000 |  |
Principal balance of securities |  | 13,000 |  |
Debt instrument interest amount |  | $ 1,000 |  |

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