Employee Benefit Plans - Schedule of Net Periodic Pension Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Retirement Benefits [Abstract]
Service cost	$ 0	$ 0
Interest cost on benefit obligation	1,855	1,864
Expected return on plan assets	(1,863)	(2,069)
Curtailment and settlements	929	0
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax	0	0
Amortization of prior service cost	0	0
Amortization of actuarial (gains) losses	137	103
Net periodic benefit cost (benefit)	$ 1,058	$ (102)