Fair Value Measurements Notional Amount of Financial Instruments (Details) - USD ($) $ in Thousands |
Jun. 30, 2017 |
Dec. 31, 2016 |
---|---|---|
Notional Disclosures [Abstract] | ||
Best efforts contracts and related committed IRLCs | $ 9,555 | $ 6,607 |
Uncommitted IRLCs | 109,140 | 66,875 |
FMBSs related to uncommitted IRLCs | 109,000 | 66,000 |
Best efforts contracts and related mortgage loans held for sale | 8,324 | 125,348 |
FMBSs related to mortgage loans held for sale | 82,284 | 33,000 |
Mortgage loans held for sale covered by FMBSs | $ 82,330 | $ 32,870 |