Subsequent Event (Details) - USD ($) $ in Thousands	Oct. 30, 2019	Jun. 26, 2019	Jun. 12, 2019	Feb. 06, 2019	Apr. 05, 2018	Nov. 07, 2017
Subsequent Event [Line Items]
Business acquisition, cost of acquired, cash paid		$ 8,000	$ 2,850	$ 12,000	$ 11,900	$ 4,871
Subsequent Event [Member]
Subsequent Event [Line Items]
Business acquisition, cost of acquired, cash paid	$ 13,000
Non-compete Agreements [Member]
Subsequent Event [Line Items]
Business acquisition, cost of acquired, cash paid		$ 650	$ 450	$ 800	$ 1,750	$ 750
Non-compete Agreements [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Business acquisition, cost of acquired, cash paid	$ 1,000