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Restructuring (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
Restructuring (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 855	$ 182	$ 855	$ 1,301
Severance Costs	2,400
Accounts Payable and Accrued Liabilities
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	500		$ 500
Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 900