CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Components of net revenue:
License fees	$ 43,709		$ 56,640		$ 69,644
Service revenue	162,487		202,202		266,042
Net revenue	206,196	[1]	258,842	[1]	335,686	[1]
Components of cost of revenue:
License fees	8,538		11,689		17,794
Service revenue	70,553		92,042		108,843
Cost of revenue	$ 79,091	[2]	$ 103,731	[2]	$ 126,637	[2]

[1] December 31, 2012 December 31, 2011 December 31, 2010Components of Cost of Revenue License Fees8,538 11,689 17,794Service Revenue70,553 92,042 108,843Net Revenue Costs79,091 103,731 126,637

[2] December 31, 2013 December 31, 2012 December 31, 2011Components of Revenue License Fees43,709 56,640 69,644Service Revenue162,487 202,202 266,042Net Revenue206,196 258,842 335,686