Business and Summary of Significant Accounting Policies - Accounts Receivable Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accounting Policies [Abstract]
Bad debt expense	$ 122,184	$ 60,514	$ 0
Provision for returns and uncollected renewal payments	40,927	38,769	35,894
Provision for Doubtful Accounts	$ 163,111	$ 99,283	$ 35,894