Subsequent Events (Details) - $ / shares			12 Months Ended
	Feb. 10, 2020	Feb. 03, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Subsequent Event [Line Items]
Dividends declared per share (in dollars per share)			$ 1.92	$ 1.88	$ 1.88
Options granted (in shares)			391,000	500,000	500,000
Subsequent Event
Subsequent Event [Line Items]
Dividends declared per share (in dollars per share)		$ 0.48
Options granted (in shares)	490,000
Restricted Stock Award | Subsequent Event
Subsequent Event [Line Items]
Restricted stock granted (in shares)	942,000
Performance Shares | Subsequent Event
Subsequent Event [Line Items]
Restricted stock granted (in shares)	360,000
Performance period	3 years