Employee Benefit Plans - Defined Benefit Plan Disclosures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Change in Benefit Obligation:
Projected benefit obligation at beginning of year	$ 8,453	$ 10,710	$ 8,996
Service cost	0	0	0
Interest cost	269	297	304
Actuarial (gain) loss	352	(100)	1,606
Settlement gain	(51)	0	0
Benefits paid	(1,091)	(2,454)	(196)
Projected benefit obligation at end of year	7,932	8,453	10,710
Change in Plan Assets:
Fair value of plan assets at beginning of year	8,428	10,949	10,870
Actual return on plan assets	310	(67)	275
Benefits paid	(1,091)	(2,454)	(196)
Fair value of plan assets at end of year	7,647	8,428	10,949
Funded Status at End of Year	(285)	(25)	239
Amounts Recognized in the Consolidated Balance Sheets
Other (liabilities) assets	(285)	(25)	239
Amounts Recognized in Accumulated Other Comprehensive Loss
Net actuarial loss	2,652	2,818	3,356
Deferred income taxes	(928)	(986)	(1,175)
Amount recognized	1,724	1,832	2,181
Components of Net Periodic Benefit Cost
Service cost	0	0	0
Interest cost	269	297	304
Expected return on plan assets	(385)	(459)	(469)
Recognized net loss due to settlement	315	671	0
Recognized net actuarial loss	228	293	73
Net periodic benefit cost	$ 427	$ 802	$ (92)