Goodwill and Intangibles - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 28,920
Accumulated Amortization	15,767	$ 14,508
Intangible Assets, net	13,153	$ 14,412
Customer Contracts
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	13,900
Accumulated Amortization	4,008
Intangible Assets, net	9,892
Customer Relationships
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	6,610
Accumulated Amortization	4,398
Intangible Assets, net	2,212
Trade Name
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,860
Accumulated Amortization	3,860
Noncompete Agreements
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,150
Accumulated Amortization	2,101
Intangible Assets, net	1,049
Customer Backlog
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,400
Accumulated Amortization	$ 1,400