Commitments and Contingencies - Summary of Allowance for Loan Repurchases or Indemnifications (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
Commitments And Contingencies Disclosure [Abstract] | |||
Balance at beginning of period | $ 2,156 | $ 828 | |
Provision for loan repurchases or indemnifications | 512 | 1,375 | $ 161 |
Recoveries on previous losses | 9 | ||
Losses on loans repurchased or indemnified | (18) | (47) | |
Balance at end of period | $ 2,659 | $ 2,156 | $ 828 |