The table below shows the rollforward activity for the level 3 liabilities in the summary table above. (Details) - Fair Value, Recurring [Member] - Liability [Member] - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Ending balance	$ 21,030	$ 15,640
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Beginning balance	14,339	17,959
New acquisition earnouts	12,700	3,025
Adjustments and Accrued Interest	2,121	685
Earnout payments	(8,130)	(6,029)
Ending balance	$ 21,030	$ 15,640