CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 216,558	$ 169,801
Restricted cash	6,580	41,632
Marketable securities	7,165	12,506
Accounts receivable, net of allowances of $2,491 and $1,761 at June 30, 2017 and December 31, 2016, respectively	107,270	107,474
Prepaid and other current assets	53,088	38,277
Assets held for sale, current	57,106	0
Total current assets	447,767	369,690
Marketable securities	1,193	2,974
Property and equipment, net	136,640	158,205
Goodwill	231,941	224,651
Intangible assets, net	145,876	162,968
Deferred tax assets	36,888	13,286
Other assets	9,098	8,658
Note receivable from related party	82,099	70,269
Equity method investment	44,023	43,650
Assets held for sale, non-current	901,892	0
Total assets	2,037,417	1,054,351
Current liabilities:
Accounts payable	8,995	17,057
Accrued expenses	61,129	76,882
Deferred revenues	97,339	57,430
Contingent consideration obligation	2,831	2,833
Short-term debt	877,043	29,000
Liabilities held for sale, current	73,208	0
Total current liabilities	1,120,545	183,202
Lease financing obligation	11,871	12,450
Convertible debt, net of debt issuance costs	226,998	226,291
Deferred tax liabilities	16,601	3,508
Deferred revenues	41,429	65,630
Other liabilities	8,871	8,193
Liabilities held for sale, non-current	111,858	0
Redeemable noncontrolling interest	25,280	25,280
Stockholders’ equity:
Common stock, $0.0001 par value; 100,000 shares authorized, 51,201 and 50,388 shares issued; 46,142 and 45,292 outstanding at June 30, 2017 and December 31, 2016, respectively	5	5
Treasury stock, at cost (5,059 and 5,096 shares at June 30, 2017 and December 31, 2016, respectively)	(105,584)	(106,631)
Additional paid-in capital	588,637	571,153
Accumulated other comprehensive loss	(28,255)	(42,350)
Retained earnings	19,161	107,620
Total stockholders’ equity	473,964	529,797
Total liabilities and stockholders’ equity	$ 2,037,417	$ 1,054,351

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.