Stockholders' Equity, Voting Rights, Stock Award and Incentive Plan (Details) $ / shares in Units, $ in Thousands		3 Months Ended
	Jun. 15, 2021 $ / shares shares	Mar. 31, 2022 USD ($) VoteperShare $ / shares shares	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($) $ / shares shares
Actual and projected stock based compensation expense for RSA shares and options [Abstract]
Stock-based compensation expense | $		$ 339	$ 1,166
Compensation payable | $		$ 20,139		$ 21,049
Stock Options [Member]
Stock Award and Incentive Plan [Abstract]
Stock option outstanding (in shares) | shares		10,000
Stock option outstanding, exercise price (in dollars per share) | $ / shares		$ 25.55
Stock Options [Member] | Maximum [Member]
Stock Award and Incentive Plan [Abstract]
Term of nonqualified stock options		10 years
RSAs [Member]
Stock Award and Incentive Plan [Abstract]
RSA shares outstanding (in shares) | shares		407,700		411,200
Average weighted grant price (in dollars per share) | $ / shares		$ 14.81		$ 14.93
Actual and projected stock based compensation expense for RSA shares and options [Abstract]
Stock-based compensation expense | $		$ 300	$ 1,200
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Compensation cost related to non-vested options not yet recognized | $		$ 3,200
Phantom RSAs [Member]
Stock Award and Incentive Plan [Abstract]
RSAs granted (in shares) | shares	396,800
Grant date fair value (in dollars per share) | $ / shares	$ 25.02
RSA shares outstanding (in shares) | shares		377,300
Average weighted grant price (in dollars per share) | $ / shares		$ 25.02
Actual and projected stock based compensation expense for RSA shares and options [Abstract]
Stock-based compensation expense | $		$ 300
Compensation payable | $		1,500		$ 1,200
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Compensation cost related to non-vested options not yet recognized | $		$ 6,100
Class A [Member]
Voting Rights [Abstract]
Number of votes per share | VoteperShare		1
Class A [Member] | Maximum [Member]
Stock Award and Incentive Plan [Abstract]
Number of shares reserved for issuance under each plan (in shares) | shares		7,500,000
Class A [Member] | RSAs [Member]
Stock Award and Incentive Plan [Abstract]
Number of shares of common stock to which the grantee is entitled (in shares) | shares	1
Class A [Member] | Phantom RSAs [Member]
Stock Award and Incentive Plan [Abstract]
Number of shares of common stock the cash value of which the grantee is entitled to (in shares) | shares	1
Class B [Member]
Voting Rights [Abstract]
Number of votes per share | VoteperShare		10