Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities
Net loss	$ (43,501)	$ (267,357)	$ (20,174)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	29,884	59,473	64,910
Deferred income taxes		(14,409)	3,901
Stock-based compensation	7,562	21,815	27,384
Goodwill impairment charge	0	232,270
Gain on disposal of businesses and properties	(3,156)	(795)
Gain on other assets, net		(5,745)	(4,232)
Extinguishment of debt		1,656
Other	(105)	(1,650)	(861)
Change in operating assets and liabilities, net of effect of acquisition:
Accounts receivable, net	3,840	10,844	12,393
Prepaid expenses and other current assets	917	(145)	(375)
Deferred registration costs		(8,876)	(9,780)
Deposits with registries		(259)	(914)
Other long-term assets	(131)	(585)	(2,572)
Accounts payable	(2,794)	(2,192)	2,973
Accrued expenses and other liabilities	(1,177)	(1,341)	(5,960)
Deferred revenue	223	11,957	9,470
Net cash (used in) provided by operating activities	(8,438)	34,661	76,163
Cash flows from investing activities
Purchases of property and equipment	(4,732)	(8,918)	(26,746)
Purchases of intangible assets	(87)	(5,688)	(16,772)
Payments for gTLD applications, net		(15,829)	(3,949)
Proceeds from gTLD withdrawals, net		6,105	5,616
Cash received from disposal of businesses and properties, net of cash disposed	5,071	13,696
Cash received from early repayment of promissory note	5,100
Cash received from disposition holdback	998
Cash paid for acquisitions, net of cash acquired	(58)	(2,240)	(73,626)
Restricted deposits	671	(3,064)
Other	126	1,017	942
Net cash provided by (used in) investing activities	7,089	(14,921)	(114,535)
Cash flows from financing activities
Long-term debt borrowings			96,250
Long-term debt repayments		(96,250)
Proceeds from exercises of stock options and contributions to ESPP	464	478	4,746
Repurchases of common stock			(4,835)
Debt issuance costs			(1,936)
Net taxes paid on restricted stock units and options exercised	(668)	(2,902)	(4,576)
Cash paid for acquisition holdback	(7,561)	(1,945)
Cash distribution related to spin-off		(24,145)
Other	(121)	(654)	(619)
Net cash (used in) provided by financing activities	(7,886)	(125,418)	89,030
Effect of foreign currency on cash and cash equivalents	(15)	(13)	(80)
Change in cash and cash equivalents	(9,250)	(105,691)	50,578
Cash and cash equivalents, beginning of period	47,820	153,511	102,933
Cash and cash equivalents, end of period	38,570	47,820	153,511
Supplemental disclosure of cash flows
Cash paid for interest	143	2,296	849
Cash paid for taxes	116	104	99
Stock issued for acquisitions	$ 731	10,258	16,281
Holdback liability related to acquisitions		1,700	$ 8,247
Note receivable related to disposal of a business		$ 4,946