Goodwill and Other Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Amortization expense	$ 1,679		$ 1,775	$ 3,391	$ 3,560
Non-compete agreements
Fully amortized intangible assets	$ 124			$ 124
Minimum
Finite lived intangible asset, useful life				4 years
Maximum
Finite lived intangible asset, useful life				25 years
Weighted Average
Finite lived intangible asset, useful life				15 years
Weighted Average | Non-compete agreements
Finite lived intangible asset, useful life		4 years		4 years