Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Capital in Excess of Par Value	Distributions in Excess of Retained Earnings	Accumulated Other Comprehensive Loss	Total
Balance at Dec. 31, 2020	$ 2,661	$ 5,475,889	$ (459,977)	$ (2,795)	$ 5,015,778
Balance (in shares) at Dec. 31, 2020	266,112,676
Increase (Decrease) in Stockholders' Equity
Net income			193,327		193,327
Other comprehensive income				569	569
Issuance of common stock, net of costs	$ 56	188,329			188,385
Issuance of common stock, net of costs (shares)	5,665,358
Equity-based compensation	$ 5	24,156			24,161
Equity-based compensation (shares)	716,724
Shares repurchased under stock compensation plan		(5,918)	(3,427)		(9,345)
Shares repurchased under stock compensation plan (in shares)	(283,398)
Common dividends declared			(300,483)		(300,483)
Balance at Sep. 30, 2021	$ 2,722	5,682,456	(570,560)	(2,226)	5,112,392
Balance (in shares) at Sep. 30, 2021	272,211,360
Balance at Jun. 30, 2021	$ 2,717	5,657,123	(541,717)	(2,287)	5,115,836
Balance (in shares) at Jun. 30, 2021	271,688,122
Increase (Decrease) in Stockholders' Equity
Net income			75,936		75,936
Other comprehensive income				61	61
Issuance of common stock, net of costs	$ 5	18,866			18,871
Issuance of common stock, net of costs (shares)	534,267
Equity-based compensation		6,467			6,467
Equity-based compensation (shares)	(11,029)
Common dividends declared			(104,779)		(104,779)
Balance at Sep. 30, 2021	$ 2,722	5,682,456	(570,560)	(2,226)	5,112,392
Balance (in shares) at Sep. 30, 2021	272,211,360
Balance at Dec. 31, 2021	$ 2,738	5,745,692	(602,137)	(2,164)	5,144,129
Balance (in shares) at Dec. 31, 2021	273,806,225
Increase (Decrease) in Stockholders' Equity
Net income			246,112		246,112
Other comprehensive income				33,886	33,886
Issuance of common stock, net of costs	$ 86	249,492			249,578
Issuance of common stock, net of costs (shares)	8,607,771
Equity-based compensation	$ 3	9,245	110		9,358
Equity-based compensation (shares)	475,130
Shares repurchased under stock compensation plan		(4,307)	(1,964)		(6,271)
Shares repurchased under stock compensation plan (in shares)	(202,796)
Common dividends declared			(332,381)		(332,381)
Balance at Sep. 30, 2022	$ 2,827	6,000,122	(690,260)	31,722	5,344,411
Balance (in shares) at Sep. 30, 2022	282,686,330
Balance at Jun. 30, 2022	$ 2,827	5,997,378	(642,945)	4,062	5,361,322
Balance (in shares) at Jun. 30, 2022	282,688,860
Increase (Decrease) in Stockholders' Equity
Net income			68,585		68,585
Other comprehensive income				27,660	27,660
Common stock issuance costs		(28)			(28)
Equity-based compensation		2,772	2		2,774
Equity-based compensation (shares)	(2,530)
Common dividends declared			(115,902)		(115,902)
Balance at Sep. 30, 2022	$ 2,827	$ 6,000,122	$ (690,260)	$ 31,722	$ 5,344,411
Balance (in shares) at Sep. 30, 2022	282,686,330