Related-Party Transactions (Details) - USD ($) $ in Thousands		3 Months Ended
	Sep. 28, 2020	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Related Party Transaction [Line Items]
Payments on consideration payable		$ 334	$ 3,707
Percent of total underwriting fees	4.50%
Total offering size	$ 84,000
Public Stock Offering
Related Party Transaction [Line Items]
Common stock, shares issued (in shares)	8,000,000
Raine Group
Related Party Transaction [Line Items]
Payment for underwriting expense	$ 200
Percent of total underwriting fees paid	5.50%
Consideration Payable to Previous Sellers in Business Acquisitions | Fair Share Seller | Director
Related Party Transaction [Line Items]
Contingent consideration		1,800		$ 1,600
Payments on consideration payable		100	200
Consideration Payable to Previous Sellers in Business Acquisitions | G3 Seller | Employee
Related Party Transaction [Line Items]
Contingent consideration		400		500
Payments on consideration payable		0	2,500
Consideration Payable to Previous Sellers in Business Acquisitions | Tom's Amusements | Director
Related Party Transaction [Line Items]
Contingent consideration		1,500		1,500
Payments on consideration payable		0
Consideration Payable to Previous Sellers in Business Acquisitions | AVG | Director
Related Party Transaction [Line Items]
Contingent consideration		1,500		$ 1,500
Payments on consideration payable		0
Legal Fees for General Legal and Business Matters | Much Shelist | Affiliated Entity
Related Party Transaction [Line Items]
Legal fees		$ 100	$ 100