CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Components of net revenue:
License fees	$ 56,640		$ 69,644		$ 74,908
Service revenue	202,202		266,042		326,825
Net revenue	258,842	[1]	335,686	[1]	401,733	[1]
Components of cost of revenue:
License fees	11,689		17,794		21,451
Service revenue	92,042		108,843		123,272
Cost of revenue	$ 103,731	[2]	$ 126,637	[2]	$ 144,723	[2]

[1] December 31, 2012 December 31, 2011 December 31, 2010Components of Cost of Revenue License Fees11,689 17,794 21,451Service Revenue92,042 108,843 123,272Net Revenue Costs103,731 126,637 144,723

[2] December 31, 2012 December 31, 2011 December 31, 2010Components of Revenue License Fees56,640 69,644 74,908Service Revenue202,202 266,042 326,825Net Revenue258,842 335,686 401,733