Intangible Assets and Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 15,300
Goodwill	168,295	$ 132,410	$ 132,410
Goodwill, Acquired During Period	35,885	0
Finite-Lived Intangible Assets, Amortization Expense	2,700	2,500	$ 2,900
Finite-Lived Intangible Assets, Gross	41,200	25,900
Finite-Lived Intangible Assets, Accumulated Amortization	14,064	11,406
Finite-Lived Intangible Assets, Net	27,136	$ 14,494
Finite-Lived Intangible Assets, Amortization Expense, Next Rolling Twelve Months	2,400
Finite-Lived Intangible Assets, Amortization Expense, Year Two	2,400
Finite-Lived Intangible Assets, Amortization Expense, Year Three	2,300
Finite-Lived Intangible Assets, Amortization Expense, Year Four	2,200
Finite-Lived Intangible Assets, Amortization Expense, Year Five	1,900
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life		20 years
Finite-Lived Intangible Assets, Gross	23,000	$ 13,600
Finite-Lived Intangible Assets, Accumulated Amortization	3,221	2,329
Finite-Lived Intangible Assets, Net	19,779	11,271
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	12,900	8,100
Finite-Lived Intangible Assets, Accumulated Amortization	8,260	7,021
Finite-Lived Intangible Assets, Net	4,640	1,079
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	5,300	4,200
Finite-Lived Intangible Assets, Accumulated Amortization	2,583	2,056
Finite-Lived Intangible Assets, Net	$ 2,717	$ 2,144
Minimum [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	15 years
Minimum [Member] | Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	6 months	6 months
Minimum [Member] | Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	1 year	1 year
Maximum [Member] | Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years
Maximum [Member] | Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years	6 years
Maximum [Member] | Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years	10 years