Goodwill and Intangible Assets, net Goodwill and Intangible Assets (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 254,664,000	$ 1,137,000	$ 1,137,000	$ 0
Goodwill activity		0
Amortization expense	$ 3,626,000	$ 0	$ 1,310,000
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	3 years 9 months 18 days
Amortization expense	$ 408,000
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	14 years 8 months 12 days
Amortization expense	$ 2,664,000
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Weighted-average amortization period (in years)	1 year 1 month 6 days
Amortization expense	$ 554,000