Business Acquisitions Purchase Price Allocation (Details) - USD ($) $ in Thousands	Sep. 07, 2016	Oct. 01, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Mar. 26, 2014
Business Acquisition [Line Items]
Goodwill			$ 48,678	$ 47,396	$ 41,871
How He Asked
Business Acquisition [Line Items]
Goodwill	$ 1,282
Total purchase price	1,471
GigMasters.com
Business Acquisition [Line Items]
Current assets		$ 449
Property and equipment		37
Finite-Lived intangible assets		3,700
Goodwill		5,525
Deferred revenue and other liabilities		(1,002)
Deferred Taxes, Net		(831)
Total purchase price		7,868
Two Bright Lights, Inc.
Business Acquisition [Line Items]
Current assets			6
Other long term assets			7
Property and equipment			24
Finite-Lived intangible assets						$ 1,700
Goodwill			4,350
Deferred revenue and other liabilities			(68)
Total purchase price			5,300
Capitalized software | GigMasters.com
Business Acquisition [Line Items]
Finite-Lived intangible assets		310
Capitalized software | Two Bright Lights, Inc.
Business Acquisition [Line Items]
Finite-lived intangibles			47
Trade names | How He Asked
Business Acquisition [Line Items]
Finite-Lived intangible assets	$ 189
Trade names | GigMasters.com
Business Acquisition [Line Items]
Finite-Lived intangible assets		480
Trade names | Two Bright Lights, Inc.
Business Acquisition [Line Items]
Finite-lived intangibles			36
Vendor relationships | GigMasters.com
Business Acquisition [Line Items]
Finite-Lived intangible assets		$ 2,900
Media content | Two Bright Lights, Inc.
Business Acquisition [Line Items]
Finite-lived intangibles			325
Customer relationships | Two Bright Lights, Inc.
Business Acquisition [Line Items]
Finite-lived intangibles			$ 573