Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Trade accounts payable	$ 42,485	$ 37,800
Liability for non-cancelable contracts	5,201	5,744
Payable to members of the MHL and HDMI consortia	85	9,698
Other accrued expenses	15,083	27,691
Total accounts payable and accrued expenses	$ 62,854	$ 80,933