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			117,391		117,391
Other comprehensive income				508	508
Issuance of common stock, net of costs	$ 51	169,463			169,514
Issuance of common stock, net of costs (shares)	5,131,091
Equity-based compensation	$ 5	17,689			17,694
Equity-based compensation (shares)	727,753
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			(195,704)		(195,704)
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
Balance at Mar. 31, 2021	$ 2,700	5,597,279	(506,141)	(2,433)	5,091,405
Balance (in shares) at Mar. 31, 2021	270,008,071
Increase (Decrease) in Stockholders' Equity
Net income			62,431		62,431
Other comprehensive income				146	146
Issuance of common stock, net of costs	$ 16	55,395			55,411
Issuance of common stock, net of costs (shares)	1,648,040
Equity-based compensation	$ 1	4,788			4,789
Equity-based compensation (shares)	48,167
Shares repurchased under stock compensation plan		(339)	(200)		(539)
Shares repurchased under stock compensation plan (in shares)	(16,156)
Common dividends declared			(97,807)		(97,807)
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
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			177,527		177,527
Other comprehensive income				6,226	6,226
Issuance of common stock, net of costs	$ 86	249,520			249,606
Issuance of common stock, net of costs (shares)	8,607,771
Equity-based compensation	$ 3	6,473	108		6,584
Equity-based compensation (shares)	477,660
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			(216,479)		(216,479)
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
Balance at Mar. 31, 2022	$ 2,796	5,910,856	(624,558)	(2,103)	5,286,991
Balance (in shares) at Mar. 31, 2022	279,595,851
Increase (Decrease) in Stockholders' Equity
Net income			90,505		90,505
Other comprehensive income				6,165	6,165
Issuance of common stock, net of costs	$ 31	83,413			83,444
Issuance of common stock, net of costs (shares)	3,068,633
Equity-based compensation		3,408	27		3,435
Equity-based compensation (shares)	38,346
Shares repurchased under stock compensation plan		(299)	(84)		(383)
Shares repurchased under stock compensation plan (in shares)	(13,970)
Common dividends declared			(108,835)		(108,835)
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