Condensed Financial Information of Registrant (Parent Company Only) - Balance Sheet (Details) - USD ($) $ / shares in Units, $ in Thousands	Dec. 31, 2021	Mar. 16, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current assets
Cash	$ 265,796		$ 114,864
Total current assets	750,521		424,414
Total assets	2,978,470		2,607,150
Current liabilities
Total current liabilities	303,864		218,654
Total liabilities	1,608,957		1,803,389
Stockholders’equity
Common stock $0.001 par value, 750,000,000 authorized; 238,432,216 issued and 233,056,799 outstanding at December 31, 2021; 3,846,960 issued and 2,772,900 outstanding at December 31, 2020	238		3
Additional paid-in capital	1,058,724		10,297
Treasury stock; 5,375,417 and 4,340,310 at December 31, 2021 and 2020, respectively	(14,066)		(3,686)
Retained earnings	320,875		202,997
Accumulated other comprehensive income (loss)	3,742		(350)
Total stockholders’ equity	1,369,513		209,261	$ 164,009	$ 153,521
Total liabilities, redeemable stock and stockholders’ equity	$ 2,978,470		$ 2,607,150
Common stock, par value (in usd per share)	$ 0.001	$ 0.001	$ 0.001
Common stock, authorized (in shares)	750,000,000	750,000,000	750,000,000
Common stock issued (in shares)	238,432,216		3,846,960
Common stock outstanding (in shares)	233,056,799		2,772,900
Common Class A
Current liabilities
Redeemable stock	$ 0		$ 594,500
Stockholders’equity
Redeemable stock, par value (in usd per share)	$ 0.001		$ 0.001
Redeemable stock authorized (in shares)	0		1,500,000
Redeemable stock issued (in shares)	0		872,598
Redeemable stock outstanding (in shares)	0		869,823
Common Class C
Current liabilities
Redeemable stock	$ 0		$ 0
Stockholders’equity
Redeemable stock, par value (in usd per share)	$ 0.001		$ 0.001
Redeemable stock authorized (in shares)	0		100
Redeemable stock issued (in shares)	0		100
Redeemable stock outstanding (in shares)	0		100
Parent Company
Current assets
Cash	$ 1,878		$ 0
Intercompany assets	0		0
Prepaid and other current assets	123		0
Total current assets	2,001		0
Other assets (principally investment in and amounts due from wholly owned subsidiaries)	1,368,857		805,155
Total non-current assets	1,368,857		805,155
Total assets	1,370,858		805,155
Current liabilities
Intercompany liabilities	1,345		1,394
Total current liabilities	1,345		1,394
Total liabilities	1,345		1,394
Stockholders’equity
Common stock $0.001 par value, 750,000,000 authorized; 238,432,216 issued and 233,056,799 outstanding at December 31, 2021; 3,846,960 issued and 2,772,900 outstanding at December 31, 2020	238		3
Additional paid-in capital	1,058,724		10,297
Treasury stock; 5,375,417 and 4,340,310 at December 31, 2021 and 2020, respectively	(14,066)		(3,686)
Retained earnings	320,875		202,997
Accumulated other comprehensive income (loss)	3,742		(350)
Total stockholders’ equity	1,369,513		209,261
Total liabilities, redeemable stock and stockholders’ equity	1,370,858		805,155
Parent Company | Common Class A
Current liabilities
Redeemable stock	$ 0		$ 594,500
Stockholders’equity
Redeemable stock, par value (in usd per share)	$ 0.001		$ 0.001
Redeemable stock authorized (in shares)	0		1,500,000
Redeemable stock issued (in shares)	0		872,598
Redeemable stock outstanding (in shares)	0		869,823
Parent Company | Common Class C
Current liabilities
Redeemable stock	$ 0		$ 0
Stockholders’equity
Redeemable stock, par value (in usd per share)	$ 0.001		$ 0.001
Redeemable stock authorized (in shares)	0		100
Redeemable stock issued (in shares)	0		100
Redeemable stock outstanding (in shares)	0		100