Stock-based Compensation - SARs/Stock Options Roll Forward (Details) - Stock Appreciation Rights (SARs) $ / shares in Units, shares in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) $ / shares shares
Number of SARs
Outstanding, beginning of period (in shares) | shares	254
Granted (in shares) | shares	53
Exercised (in shares) | shares	(44)
Cancelled (in shares) | shares	(3)
Outstanding, end of period (in shares) | shares	260
Vested and expected to vest as of December 31, 2021 (in shares) | shares	260
Exercisable at December 31, 2021 (in shares) | shares	160
Weighted- average Exercise Price Per Share
Outstanding, beginning of period (in dollars per share) | $ / shares	$ 46.18
Granted (in dollars per share) | $ / shares	68.82
Exercised (in dollars per share) | $ / shares	41.02
Cancelled (in dollars per share) | $ / shares	54.61
Outstanding, end of period (in dollars per share) | $ / shares	51.55
Vested and expected to vest as of December 31, 2021 (in dollars per share) | $ / shares	51.55
Exercisable at December 31, 2021 (in dollars per share) | $ / shares	$ 45.41
Aggregate Intrinsic Value
Outstanding at December 31, 2021 | $	$ 10,487
Vested and expected to vest as of December 31, 2021 | $	10,487
Exercisable at December 31, 2021 | $	$ 7,277
Weighted- average Remaining Term (Years)
Outstanding at December 31, 2021 (in years)	4 years
Vested and expected to vest as of December 31, 2021 (in years)	4 years
Exercisable at December 31, 2021 (in years)	3 years 1 month 6 days