Related-Party Transactions (Details) - USD ($) $ in Thousands			6 Months Ended
	Sep. 28, 2020	Sep. 23, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Related Party Transaction [Line Items]
Payments on consideration payable			$ 903	$ 4,004
Percent of total underwriting fees		4.50%
Total offering size	$ 84,000	$ 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			2,200		$ 1,600
Payments on consideration payable			300	200
Consideration Payable to Previous Sellers in Business Acquisitions | G3 Seller | Employee
Related Party Transaction [Line Items]
Contingent consideration			500		500
Payments on consideration payable				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			2,400		$ 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