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Description of Business and Summary of Significant Accounting Policies - Narrative (Details) $ / shares in Units, $ in Thousands	1 Months Ended			12 Months Ended				36 Months Ended
	Jan. 31, 2022 USD ($)	Dec. 31, 2021 USD ($) $ / shares shares	Sep. 30, 2020 USD ($) $ / shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($) segment $ / shares shares	Dec. 31, 2020 USD ($) segment $ / shares	Dec. 31, 2019 USD ($)	Dec. 31, 2021 USD ($) $ / shares	Feb. 22, 2022 shares
Accounting Policies [Line Items]
Number of operating segments | segment					3	2
Number of reportable segments | segment					3	2
Revenue from contract with customer, term of customer relationship					15 years
Accelerated method, average declining balance rate					250.00%
Advertising expense					$ 239,000	$ 264,000	$ 160,000
Radio conversion cost, net								$ 288,000
Money market funds, at carrying value		$ 143,000			143,000			143,000
Guarantor obligations, maximum exposure, undiscounted		$ 76,000			$ 76,000	$ 83,000		$ 76,000
Ford | Subsequent Event
Accounting Policies [Line Items]
Investments	$ 100,000
Net Investment collection period	3 years
Net Investment contribution, percentage	40.00%
First Five Years
Accounting Policies [Line Items]
Accelerated method, average amortization rate					55.00%
Second Five Years
Accounting Policies [Line Items]
Accelerated method, average amortization rate					25.00%
Final Five Years
Accounting Policies [Line Items]
Accelerated method, average amortization rate					20.00%
Solar
Accounting Policies [Line Items]
Common stock, par value (in dollars per share) | $ / shares		$ 0.01			$ 0.01			$ 0.01
Total consideration transferred		$ 750,429			$ 750,429			$ 750,429
Forecast | Solar
Accounting Policies [Line Items]
Total consideration transferred				$ 40,000
Class B common stock
Accounting Policies [Line Items]
Entity common stock, shares outstanding (in shares) | shares									54,744,525
Common stock, par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01		$ 0.01	$ 0.01		$ 0.01
Sale of stock, consideration received on transaction			$ 450,000
Common stock
Accounting Policies [Line Items]
Entity common stock, shares outstanding (in shares) | shares									846,839,865
Common stock, par value (in dollars per share) | $ / shares		$ 0.01			$ 0.01	$ 0.01		$ 0.01
Common stock | Solar
Accounting Policies [Line Items]
Business combination, common shares issued | shares		70,000,000			75,000,000
Common stock | Forecast | Solar
Accounting Policies [Line Items]
Business combination, common shares issued | shares				5,000,000

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Accelerated Method, Average Amortization Rate

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