Restructuring Activities - Restructuring and Related Costs (Details 1) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 11,799
Customer database build write off
Restructuring Cost and Reserve [Line Items]
Restructuring charges	4,036
Contract termination fee
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3,101
Severance
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,098
Facility, asset impairment and other expense
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 2,564