Employee Benefit Plans - Schedule of Benefit Obligations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Retirement Benefits [Abstract]
Liability, Defined Benefit Plan, Noncurrent	$ 16,240	$ 15,106
Change in benefit obligation:
Benefit obligation, Beginning balance	40,296	43,799
Service Cost	0	0
Interest Cost	1,855	1,864
Change in Mortality	0	0
Plan amendments	0	0
Curtailment/settlement	0	0
Actuarial (gains) losses	2,502	(2,774)
Benefit obligation, Ending balance	40,722	40,296
Change in plan assets:
Fair value of plan assets, Beginning balance	25,190	28,360
Actual return on plan assets	198	(1,232)
Employer contributions	3,025	655
Fair value of plan assets, Ending balance	24,482	25,190
Defined Benefit Plan, Benefit Obligation, Benefits Paid	3,931	2,593
Defined Benefit Plan, Plan Assets, Benefits Paid	$ 3,931	$ 2,593