CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND NONCONTROLLING INTEREST - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Deficit)
Balances at Dec. 31, 2012	$ 342,728	$ 35	$ 603,770	$ (26,540)	$ (234,537)
Balances (shares) at Dec. 31, 2012		35,324
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued for exercise of stock options, employee stock purchase plan, and vesting of restricted shares, net of tax payments from shares withheld upon vesting of restricted stock	(607)	$ 1	(608)
Common stock issued for exercise of stock options, employee stock purchase plan, and vesting of restricted shares, net of tax payments from shares withheld upon vesting of restricted stock (shares)		509
Share of Rhapsody equity transactions	(463)		(463)
Stock-based compensation	7,468		7,468
Other comprehensive income (loss)	(21,155)			(21,155)
Net income (loss)	(58,990)				(58,990)
Balances at Dec. 31, 2013	268,981	$ 36	610,167	(47,695)	(293,527)
Balances (shares) at Dec. 31, 2013		35,833
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued for exercise of stock options, employee stock purchase plan, and vesting of restricted shares, net of tax payments from shares withheld upon vesting of restricted stock	405	$ 0	405
Common stock issued for exercise of stock options, employee stock purchase plan, and vesting of restricted shares, net of tax payments from shares withheld upon vesting of restricted stock (shares)		266
Share of Rhapsody equity transactions	1,980		1,980
Stock-based compensation	5,204		5,204
Other comprehensive income (loss)	(7,557)			(7,557)
Net income (loss)	(71,815)				(71,815)
Balances at Dec. 31, 2014	197,198	$ 36	617,756	(55,252)	(365,342)
Balances (shares) at Dec. 31, 2014		36,099
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued for exercise of stock options, employee stock purchase plan, and vesting of restricted shares, net of tax payments from shares withheld upon vesting of restricted stock	341	$ 0	341
Common stock issued for exercise of stock options, employee stock purchase plan, and vesting of restricted shares, net of tax payments from shares withheld upon vesting of restricted stock (shares)		199
Share of Rhapsody equity transactions	4,521		4,521
Stock-based compensation	4,698		4,698
Other comprehensive income (loss)	(4,228)			(4,228)
Net income (loss)	(81,847)				(81,847)
Balances at Dec. 31, 2015	$ 120,683	$ 36	$ 627,316	$ (59,480)	$ (447,189)
Balances (shares) at Dec. 31, 2015		36,298