Subsequent Events Business combination (Details) $ in Thousands	2 Months Ended	12 Months Ended
	Mar. 11, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Business acquisition [Line Items]
Number of Businesses Acquired	2
Consideration transferred		$ 8,461	$ 7,452	$ 3,797
Liabilities assumed		2,381	2,713	216
Debt issued		$ 2,402	$ 3,099	$ 875
Subsequent event [Member]
Business acquisition [Line Items]
Consideration transferred	$ 3,950
Liabilities assumed	0
Debt issued	$ 1,092