Other Intangible, Net and Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]
Change In Gross Amount of Identifiable Intangible Assets			$ 0
Finite-Lived Intangible Assets, Amortization Expense	$ 600	$ 700	1,200	$ 1,300
Finite-Lived Intangible Assets [Line Items]
Carrying amount of goodwill	132,410		132,410		$ 132,410
Gross Amount	25,900		25,900
Accumulated Amortization	12,610		12,610
Net Intangible Assets	13,290		$ 13,290
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Amortization period (years)			20 years
Gross Amount	13,600		$ 13,600
Accumulated Amortization	2,671		2,671
Net Intangible Assets	10,929		10,929
Tradename
Finite-Lived Intangible Assets [Line Items]
Gross Amount	8,100		8,100
Accumulated Amortization	7,638		7,638
Net Intangible Assets	462		462
Covenants Not to Compete
Finite-Lived Intangible Assets [Line Items]
Gross Amount	4,200		4,200
Accumulated Amortization	2,301		2,301
Net Intangible Assets	$ 1,899		$ 1,899
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