Consolidated Balance Sheets (Parenthetical) (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Trade receivables, related parties	$ 6,028	$ 8,162
Trade receivables, allowance for doubtful accounts	6,763	6,398
Prepaid expenses and other current assets	37,029	18,925
Property and equipment, accumulated depreciation	190,316	183,930
Accumulated amortization of Intangible assets	109,789	104,687
Intangible assets subject to amortization, net	58,931	64,034
Accounts payable and accrued expenses	229,953	212,655
Unamortized debt issuance costs	1,532	1,851
Related Parties
Prepaid expenses and other current assets	274	274
Intangible assets subject to amortization, net	4,178	4,642
Accounts payable and accrued expenses	$ 1,235	$ 1,920
Class A common stock
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	260,000,000	260,000,000
Common stock, shares issued	61,465,531	63,116,896
Common stock, shares outstanding	61,465,531	63,116,896
Class B common stock
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	14,127,613	14,127,613
Common stock, shares outstanding	14,127,613	14,127,613
Class U common stock
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	9,352,729	9,352,729
Common stock, shares outstanding	9,352,729	9,352,729