Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Operating activities:
Net income	$ (8,455)	$ 1,734
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(8,912)	1,734
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, Depletion and Amortization	2,591	967
Share-based compensation	4,407	3,420
Tax Benefit from Stock Options Exercised	0	(10)
Provision for doubtful accounts	(200)	(60)
Changes in operating assets and liabilities:
Accounts and unbilled receivables	6,732	(3,877)
Prepaid expenses and other assets	(812)	(1,162)
Accounts payable	223	1,070
Accrued liabilities	(366)	980
Accrued payroll and other employee benefits	(760)	(4,549)
Deferred revenue	506	2,748
Net cash provided by operating activities	3,409	1,261
Investing activities:
Purchases of property and equipment	(1,656)	(948)
Payments to Acquire Businesses, Net of Cash Acquired	22,048	0
Internal-use software development costs capitalized	(730)	(796)
Increase (Decrease) in Restricted Cash	37,240	0
Net cash used in investing activities	12,806	(1,744)
Financing activities:
Exercise of stock options	944	1,409
Tax withholding related to net share settlement of restricted stock units	(12,063)	(2,022)
Noncontrolling Interest, Increase from Business Combination	(2,693)	0
Net cash (used in) provided by financing activities	(13,812)	(613)
Effect of Exchange Rate on Cash and Cash Equivalents	(51)	0
Net increase in cash and cash equivalents	2,352	(1,096)
Cash and cash equivalents:
Beginning of period	44,688	83,558
End of period	$ 47,040	$ 82,462