Other Long-Term Assets (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Cash surrender value of corporate-owned life insurance policies	$ 3,000	$ 2,180
Prepaid commissions	4,927	3,543
Accounts receivable	10,359	1,227
Restricted cash	3,095	0
Prepaid expenses, deposits and other	367	246
Total other long-term assets	$ 21,762	$ 7,196
Long-term accounts receivable, typical collectability term	5 years