Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Operating activities:
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ (48,080)	$ (20,043)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, Depletion and Amortization	7,923	7,967
Amortization of Financing Costs and Discounts	4,485	0
Share-based compensation	21,381	16,530
Deferred Income Tax Expense (Benefit)	138	(238)
Provision for doubtful accounts	132	(290)
Tangible Asset Impairment Charges	0	2,130
Changes in operating assets and liabilities:
Accounts and unbilled receivables	20,474	5,024
Prepaid expenses and other assets	(383)	(6,375)
Accounts payable	(3,330)	(3,222)
Accrued liabilities	364	448
Accrued payroll and other employee benefits	(4,909)	(932)
Deferred revenue	8,609	2,108
Net cash provided by operating activities	6,804	3,107
Investing activities:
Purchases of property and equipment	(4,856)	(6,290)
Internal-use software development costs capitalized	(233)	(2,166)
Increase (Decrease) in Restricted Cash	0	37,396
Payments for (Proceeds from) Available-for-sale Securities, Short-term	55,176	0
Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities	32,700	0
Net cash used in investing activities	(27,565)	6,892
Financing activities:
Exercise of stock options	433	1,055
Proceeds from Stock Plans	839	335
Tax withholding related to net share settlement of restricted stock units	(4,966)	(12,462)
Business combination, payment of contingent consideration	1,304	0
Repayments of Notes Payable	(212)	0
Debt Issuance Cost	(408)	0
Noncontrolling Interest, Increase from Business Combination	0	(3,621)
Net cash (used in) provided by financing activities	(5,618)	(14,693)
Effect of Exchange Rate on Cash and Cash Equivalents	308	419
Net increase in cash and cash equivalents	(26,071)	(4,275)
Cash and cash equivalents:
Beginning of period	161,019	44,688
End of period	134,948	40,413
Cameleon Acquisition [Member]
Investing activities:
Payments to Acquire Businesses, Net of Cash Acquired	$ 0	$ 22,048