Acquisitions and Dispositions - Deny Designs (Details) $ in Thousands	May 01, 2017 USD ($) installment shares	Jun. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
Allocation of the purchase price
Goodwill		$ 16,995	$ 11,167
Deny Designs
Acquisitions
Total consideration	$ 12,000
Purchase consideration, cash	$ 6,700
Purchase consideration, common stock, shares | shares	215,000
Purchase consideration, common stock, value	$ 1,700
Contingent consideration	$ 3,600
Number of annual installments | installment	3
Allocation of the purchase price
Goodwill	$ 5,782
Other assets and liabilities assumed	704
Total purchase consideration	$ 11,336
Weighted average useful life	7 years
Contingent consideration
Contingent consideration	$ 3,000
Maximum contingent consideration	3,600
Deny Designs | Contingent Consideration, Payable in First Year
Contingent consideration
Minimum contingent consideration	300
Maximum contingent consideration	1,200
Deny Designs | Contingent Consideration, Payable in Second Year
Contingent consideration
Minimum contingent consideration	300
Maximum contingent consideration	1,200
Deny Designs | Contingent Consideration, Payable in Third Year
Contingent consideration
Minimum contingent consideration	300
Maximum contingent consideration	1,200
Deny Designs | Trademark
Allocation of the purchase price
Intangibles	$ 2,350
Intangibles, useful life	10 years
Deny Designs | Customer relationships
Allocation of the purchase price
Intangibles	$ 1,600
Intangibles, useful life	5 years
Deny Designs | Artist relationships
Allocation of the purchase price
Intangibles	$ 300
Intangibles, useful life	3 years
Deny Designs | Technology
Allocation of the purchase price
Intangibles	$ 600
Intangibles, useful life	3 years