CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011		Dec. 31, 2010		Dec. 31, 2009
Components of net revenue:
License fees	$ 69,644		$ 74,908		$ 100,996
Service revenue	266,042		326,825		461,268
Revenue	335,686	[1]	401,733	[1]	562,264	[1]
Components of cost of revenue:
License fees	17,794		21,451		35,850
Service revenue	108,843		123,272		186,292
Cost of revenue	$ 126,637	[2]	$ 144,723	[2]	$ 222,142	[2]

[1] Components of net revenue: License fees $ 69,644 $ 74,908 $ 100,996 Service revenue 266,042 326,825 461,268 $ 335,686 $ 401,733 $ 562,264

[2] Components of cost of revenue: License fees $ 17,794 $ 21,451 $ 35,850 Service revenue 108,843 123,272 186,292 $ 126,637 $ 144,723 $ 222,142