Goodwill and Other Intangible Assets - Other Intangible Assets (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2017 USD ($)
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period	$ 26,752
Indefinite-lived trademarks, beginning of period	2,165
Gross intangibles assets excluding goodwill, beginning of period	28,917
Accumulated amortization, beginning of period	(12,941)
Amortization	(1,214)
Gross finite-lived intangible assets, end of period	26,752
Accumulated amortization, end of period	(14,155)
Indefinite-lived trademarks, end of period	2,165
Gross intangibles assets excluding goodwill, end of period	28,917
Customer Relationships [Member]
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period	19,190
Accumulated amortization, beginning of period	(10,667)
Amortization	(929)
Gross finite-lived intangible assets, end of period	19,190
Accumulated amortization, end of period	(11,596)
Trademarks [Member]
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period	6,440
Accumulated amortization, beginning of period	(1,528)
Amortization	(236)
Gross finite-lived intangible assets, end of period	6,440
Accumulated amortization, end of period	(1,764)
Noncompete Agreements [Member]
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period	150
Accumulated amortization, beginning of period	(150)
Amortization	0
Gross finite-lived intangible assets, end of period	150
Accumulated amortization, end of period	(150)
Franchise Rights [Member]
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period	972
Accumulated amortization, beginning of period	(596)
Amortization	(49)
Gross finite-lived intangible assets, end of period	972
Accumulated amortization, end of period	$ (645)