Derivatives - Narrative (Details) - USD ($)		12 Months Ended
	Dec. 19, 2012	Dec. 31, 2016	Aug. 05, 2016	Dec. 31, 2015
Derivative [Line Items]
Accumulated other comprehensive income (loss), interest rate swap, tax benefit		$ (1,862,000)		$ (1,000)
Revenue and cost of sales
Derivative [Line Items]
Amount expected to be reclassified from accumulated other comprehensive income to earnings in next twelve months, gross		205,000
Amount expected to be reclassified from accumulated other comprehensive income to earnings in next twelve months, net of tax		125,000
Interest expense
Derivative [Line Items]
Amount expected to be reclassified from accumulated other comprehensive income to earnings in next twelve months, gross		91,000
Amount expected to be reclassified from accumulated other comprehensive income to earnings in next twelve months, net of tax		56,000
Interest rate swap
Derivative [Line Items]
Notional amount of derivative	$ 150,000,000		$ 42,500,000
Fixed rate	0.9825%		1.12%
Quarterly reduction of notional amount	50.00%
Accumulated other comprehensive income (loss), interest rate swap, tax benefit		$ (1,941,000)
Interest rate swap | Maximum
Derivative [Line Items]
Notional amount of derivative			$ 175,000,000