Employee Benefit Plans (Details) - USD ($) $ in Thousands |
9 Months Ended | |
|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Components of Net Periodic Benefit Cost | ||
| Service cost | $ 0 | $ 0 |
| Interest cost | 201 | 148 |
| Expected return on plan assets | (288) | (230) |
| Recognized net actuarial loss | 389 | 308 |
| Net periodic cost | $ 302 | $ 226 |