Other Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 78,032	$ 79,716
Less accumulated amortization	(40,317)	(34,796)
Intangible assets, net	37,715	44,920
Customer lists
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 73,759	75,114
Weighted Average Life	13 years 7 months 6 days
Noncompete agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 988	1,077
Weighted Average Life	4 years
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 3,228	3,468
Weighted Average Life	12 years 7 months 6 days
Patents
Acquired Finite-Lived Intangible Assets [Line Items]
Gross intangible assets	$ 57	$ 57
Weighted Average Life	9 years