Stock-Based Compensation - Options outstanding (Details) - Stock options shares in Thousands	12 Months Ended
	Dec. 31, 2021 $ / shares shares
Options Outstanding
Number Outstanding (in shares) | shares	4
Weighted Average Remaining Contractual Life	1 year 10 months 2 days
Weighted Average Exercise Price (in dollars per share)	$ 52.92
Options Exercisable
Number Exercisable (in shares) | shares	4
Weighted Average Exercise Price (in dollars per share)	$ 52.92
$37.41-$37.41
Information about options outstanding
Low end of exercise price range (in dollars per share)	37.41
High end of exercise price range (in dollars per share)	$ 37.41
Options Outstanding
Number Outstanding (in shares) | shares	1
Weighted Average Remaining Contractual Life	7 months 2 days
Weighted Average Exercise Price (in dollars per share)	$ 37.41
Options Exercisable
Number Exercisable (in shares) | shares	1
Weighted Average Exercise Price (in dollars per share)	$ 37.41
$54.76-$54.76
Information about options outstanding
Low end of exercise price range (in dollars per share)	54.76
High end of exercise price range (in dollars per share)	$ 54.76
Options Outstanding
Number Outstanding (in shares) | shares	1
Weighted Average Remaining Contractual Life	1 year 7 months 2 days
Weighted Average Exercise Price (in dollars per share)	$ 54.76
Options Exercisable
Number Exercisable (in shares) | shares	1
Weighted Average Exercise Price (in dollars per share)	$ 54.76
$57.47-$57.47
Information about options outstanding
Low end of exercise price range (in dollars per share)	57.47
High end of exercise price range (in dollars per share)	$ 57.47
Options Outstanding
Number Outstanding (in shares) | shares	2
Weighted Average Remaining Contractual Life	2 years 6 months 29 days
Weighted Average Exercise Price (in dollars per share)	$ 57.47
Options Exercisable
Number Exercisable (in shares) | shares	2
Weighted Average Exercise Price (in dollars per share)	$ 57.47