Subsequent Events (Details) $ in Thousands	1 Months Ended	6 Months Ended
	Jul. 31, 2019 USD ($) item	Jun. 30, 2019 USD ($)
SUBSEQUENT EVENTS
Additional consideration and issuance of seller notes in connection with acquistions		$ 5,345
Subsequent Events
SUBSEQUENT EVENTS
Number of business acquisitions | item	2
Aggregate purchase price	$ 3,400
Consideration paid in cash	3,000
Additional consideration and issuance of seller notes in connection with acquistions	$ 400
Notes payable to share holders in quarterly installments period	5 years