Termination of Merger Agreement with Synacor, Inc. - Narrative (Details) - USD ($) $ in Thousands		12 Months Ended
	Jun. 29, 2020	Dec. 31, 2020
Business Acquisition [Line Items]
Business Combination, Separately Recognized Transactions, Expenses and Losses Recognized		$ 1,600
Synacor
Business Acquisition [Line Items]
Payment of contract termination	$ 250
Estimate of possible loss		$ 1,450
Contract termination period	15 months
Contract termination, percentage	50.00%
Synacor | Minimum
Business Acquisition [Line Items]
Contract termination, percentage	15.00%
Synacor | Maximum
Business Acquisition [Line Items]
Contract termination, percentage	85.00%