Equity Textuals (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended			9 Months Ended
	Oct. 28, 2020	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Oct. 27, 2020	Dec. 31, 2019
Common stock, shares, issued		186,185,845			186,185,845			185,100,789
Common stock, shares outstanding		174,235,023			174,235,023			181,184,963
Treasury Stock, Shares, Acquired					8,034,996
Treasury Stock, Value, Acquired, Par Value Method					$ 329,100
Treasury Stock Acquired, Average Cost Per Share					$ 40.96
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 418,400			$ 418,400
Dividends declared per share		$ 190		$ 180
Payments of Dividends, Common Stock					101,472	$ 98,581
Stock Repurchase Program, Authorized Amount		$ 500,000			$ 500,000
Subsequent Event [Member]
Treasury Stock, Shares, Acquired	1,491,394
Treasury Stock, Value, Acquired, Par Value Method	$ 65,400
Treasury Stock Acquired, Average Cost Per Share	$ 43.85
Stock Repurchase Program, Remaining Authorized Repurchase Amount							$ 353,000