Stock-based Compensation - Performance-Based RSUs (Details) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Mar. 31, 2022 shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares
Weighted-average grant date fair value per unit:
Compensation expense recorded during the year | $		$ 37,794	$ 45,105	$ 24,771
Performance-based RSUs
Summary of equity award grants, RSUs
Balance at beginning of year (in units)		1,583,000	1,807,000	1,892,000
Granted (in units)		310,000	440,000	682,000
Vested (in units)	(643,000)	(634,000)	(645,000)	(735,000)
Forfeited or canceled (in units)		(33,000)	(19,000)	(32,000)
Balance at end of year (in units)		1,226,000	1,583,000	1,807,000
Weighted-average grant date fair value per unit:
Outstanding at beginning of year (in dollars per share) | $ / shares		$ 27.02	$ 21.67	$ 14.48
Granted (in dollars per share) | $ / shares		58.85	35.95	23.11
Vested (in dollars per share) | $ / shares		24.47	18.16	11.28
Forfeited (in dollars per share) | $ / shares		36.91	26.71	21.72
Outstanding at end of year (in dollars per share) | $ / shares		$ 36.12	$ 27.02	$ 21.67
Compensation expense recorded during the year | $		$ 23,166	$ 20,610	$ 14,820
Actually vested (in shares)		781,000	608,000	648,000
Vesting percentage		123	94	88
Unamortized compensation cost | $		$ 20,593
Number of shares expected to vest (in units)		1,122,000
Weighted average remaining vesting period (in months)		10 months
Minimum | Performance-based RSUs
Stock-Based Compensation
Shares earned as a percent of performance goal achievement		0.00%
Expected grantee forfeiture rate (as a percent)		0.00%
Maximum | Performance-based RSUs
Stock-Based Compensation
Shares earned as a percent of performance goal achievement		175.00%
Expected grantee forfeiture rate (as a percent)		20.30%