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Stockholders' Equity (Stock Transactions - Narrative) (Details)			1 Months Ended	3 Months Ended				9 Months Ended
	Nov. 02, 2022 $ / shares	Jan. 03, 2022 USD ($) shares	Jan. 31, 2022 $ / shares	Sep. 30, 2022 USD ($) property $ / shares shares	Jun. 30, 2022 USD ($) property shares	Mar. 31, 2022 USD ($) shares	Sep. 30, 2021 $ / shares shares	Sep. 30, 2022 USD ($) property $ / shares shares	Sep. 30, 2021 $ / shares shares
Class of Stock [Line Items]
Dividends paid per common share, during the period (in dollars per share) | $ / shares				$ 0.31			$ 0.3025	$ 0.93	$ 0.9075
Award vesting period								3 years
Weighted average grant date fair value (in dollars per share) | $ / shares			$ 33.04
At the market equity offering program
Class of Stock [Line Items]
Percentage of restricted stock units			43.00%
Performance conditions
Class of Stock [Line Items]
Percentage of restricted stock units			57.00%
Weighted average grant date fair value (in dollars per share) | $ / shares			$ 31.68
Absolute TSR Component
Class of Stock [Line Items]
Weighted average grant date fair value (in dollars per share) | $ / shares			30.56
Relative TSR Component
Class of Stock [Line Items]
Weighted average grant date fair value (in dollars per share) | $ / shares			$ 41.30
Restricted stock
Class of Stock [Line Items]
Granted (in shares)				0				294,932
Award vesting period		5 years
Executive Incentive Program | Non-vested Stock Award
Class of Stock [Line Items]
Granted (in dollars per share) | $						$ 13,000,000
Granted (in shares)						415,184
Executive Incentive Program | Non-vested Stock Award | Minimum
Class of Stock [Line Items]
Award vesting period						3 years
Executive Incentive Program | Non-vested Stock Award | Maximum
Class of Stock [Line Items]
Award vesting period						8 years
Executive Incentive Program | Restricted stock
Class of Stock [Line Items]
Granted (in dollars per share) | $		$ 9,700,000
Granted (in shares)		294,932
Stock incentive plan
Class of Stock [Line Items]
Granted (in shares)				71,852			0	513,876	203,701
Stock incentive plan | Restricted stock
Class of Stock [Line Items]
Shares withheld to pay estimated withholding taxes (in shares)								8,745	51,972
Stock incentive plan | Restricted stock | Directors
Class of Stock [Line Items]
Granted (in dollars per share) | $				$ 1,800,000	$ 800,000
Granted (in shares)				1,036
Award vesting period					1 year
Number of directors | property				12	8			12
Shares issued during the period (in shares)				70,816	26,840
Stock incentive plan | Restricted stock | Minimum | Directors
Class of Stock [Line Items]
Award vesting period				1 year
Stock incentive plan | Restricted stock | Maximum | Directors
Class of Stock [Line Items]
Award vesting period				3 years
Share-based Payment Arrangement
Class of Stock [Line Items]
Weighted-average incremental shares of common stock excluded from the computation (in shares)									911,594
Options under the Employee Stock Option Plan
Class of Stock [Line Items]
Weighted-average incremental shares of common stock excluded from the computation (in shares)									63,383
Forward Contracts
Class of Stock [Line Items]
Weighted-average incremental shares of common stock excluded from the computation (in shares)									14,734
Subsequent event
Class of Stock [Line Items]
Dividends declared per common share, during the period (in dollars per share) | $ / shares	$ 0.31
Common Stock
Class of Stock [Line Items]
Amount remaining available for issuance under the new ATM | $				$ 750,000,000				$ 750,000,000

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