Business Combinations Sundog (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	May 22, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Business Acquisition [Line Items]
Adjustment to fair value of contingent consideration		$ 2,067	$ 116	$ 1,732	$ (308)
Goodwill		417,403		417,403		$ 335,564
Sundog Interactive [Member]
Business Acquisition [Line Items]
Date of acquisition	May 22, 2019
Total purchase price	$ 14,100
Cash paid for acquisition	10,300
Common stock issued	1,300
Net working capital settlement	600
Initial fair value estimate of additional earnings-based contingent consideration	1,900
Contingent consideration, maximum cash payout	$ 3,600
Fair value of contingent consideration		$ 2,500		2,500
Adjustment to fair value of contingent consideration				$ 400