Fair Value - Additional Information (Details) $ in Thousands |
12 Months Ended |
---|---|
Dec. 31, 2017
USD ($)
| |
Fair Value Disclosures [Abstract] | |
Other real estate, additions | $ 1,600 |
Real estate owned outstanding | 923 |
Additions to impaired loans | 20,900 |
Impaired loans outstanding | $ 17,600 |