Other Intangible, Net and Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Change In Gross Amount of Identifiable Intangible Assets	$ 0
Finite-Lived Intangible Assets, Amortization Expense	700	$ 500
Finite-Lived Intangible Assets [Line Items]
Gross Amount	25,900
Accumulated Amortization	9,548
Net Intangible Assets	$ 16,352
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Amortization period (years)	20 years
Gross Amount	$ 13,600
Accumulated Amortization	1,816
Net Intangible Assets	11,784
Tradename
Finite-Lived Intangible Assets [Line Items]
Gross Amount	8,100
Accumulated Amortization	6,096
Net Intangible Assets	2,004
Covenants Not to Compete
Finite-Lived Intangible Assets [Line Items]
Gross Amount	4,200
Accumulated Amortization	1,636
Net Intangible Assets	$ 2,564
Maximum [Member] | Tradename
Finite-Lived Intangible Assets [Line Items]
Amortization period (years)	6 years
Maximum [Member] | Covenants Not to Compete
Finite-Lived Intangible Assets [Line Items]
Amortization period (years)	10 years
Minimum [Member] | Tradename
Finite-Lived Intangible Assets [Line Items]
Amortization period (years)	6 months
Minimum [Member] | Covenants Not to Compete
Finite-Lived Intangible Assets [Line Items]
Amortization period (years)	1 year