CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net revenue:
Online sponsorship and advertising	$ 81,661	$ 76,475	$ 70,067
Registry services	7,926	6,231	6,398
Merchandise	18,406	21,359	25,420
Publishing and other	25,821	25,066	22,372
Total net revenue	133,814	129,131	124,257
Cost of revenue:
Online sponsorship and advertising	1,927	1,741	2,104
Merchandise	11,296	12,454	15,661
Publishing and other	9,178	8,407	7,321
Total cost of revenue	22,401	22,602	25,086
Gross profit	111,413	106,529	99,171
Operating expenses:
Product and content development	29,877	26,229	24,276
Sales and marketing	39,718	40,239	38,738
General and administrative	23,073	20,980	20,660
Long-lived asset impairment charges	1,430	958	716
Depreciation and amortization	4,808	3,874	4,702
Total operating expenses	98,906	92,280	89,092
Income from operations	12,507	14,249	10,079
Loss in equity interests	(2,016)	(55)	(269)
Interest and other income, net	144	113	203
Income before income taxes	10,635	14,307	10,013
Provision for income taxes	4,841	5,658	4,025
Net income	5,794	8,649	5,988
Plus: net loss attributable to noncontrolling interest	0	65	52
Net income attributable to XO Group Inc.	$ 5,794	$ 8,714	$ 6,040
Net income per share attributable to XO Group Inc. common stockholders:
Basic (usd per share)	$ 0.24	$ 0.35	$ 0.21
Diluted (usd per share)	$ 0.23	$ 0.35	$ 0.20
Weighted average number of shares used in calculating net earnings per share
Basic (shares)	24,620	24,649	29,060
Diluted (shares)	25,596	25,218	29,692