Goodwill and Intangible Assets - Summary of Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Intangible Assets [Line Items]
Gross Carrying Amount	$ 33,900
Accumulated Amortization	7,556	4,744
Impairment Charges	920
Intangible Assets, net	25,424	29,156
Customer Contracts
Intangible Assets [Line Items]
Gross Carrying Amount	13,900
Accumulated Amortization	1,270
Intangible Assets, net	12,630
Customer Relationships
Intangible Assets [Line Items]
Gross Carrying Amount	7,710
Accumulated Amortization	2,231
Impairment Charges	920
Intangible Assets, net	4,559
Trade Name
Intangible Assets [Line Items]
Gross Carrying Amount	3,860
Accumulated Amortization	1,110
Intangible Assets, net	2,750
Software
Intangible Assets [Line Items]
Gross Carrying Amount	3,810
Accumulated Amortization	635
Intangible Assets, net	3,175
Noncompete Agreements
Intangible Assets [Line Items]
Gross Carrying Amount	3,150
Accumulated Amortization	840
Intangible Assets, net	2,310
Customer Backlog
Intangible Assets [Line Items]
Gross Carrying Amount	1,470
Accumulated Amortization	$ 1,470