CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Accumulated Other Comprehensive Loss [Member]	Retained Earnings [Member]
Beginning Balance at Dec. 31, 2020		$ 1,286,068	$ (14,378)	$ 758,036
Beginning Balance (in shares) at Dec. 31, 2020		69,238,901
Issuance of common stock through equity compensation plans		$ 931
Shares issued through equity compensation plans		93,806
Issuance of common stock through Employee Investment Plan		$ 610
Shares issued through Employee Investment Plan		14,480
Issuance of common stock through sales agency agreements, net of issuance costs		$ 88,457
Shares issued through sales agency agreements		2,150,336
Equity compensation expense		$ 5,180
Payment of minimum tax withholdings for share-based payment awards		(993)
Other		(101)
Other comprehensive income	$ 3,339		3,339
Net Income (Loss)	147,334			147,334
Dividends on common stock				(119,739)
Ending Balance at Dec. 31, 2021	$ 2,154,744	$ 1,380,152	(11,039)	785,631
Ending Balance (in shares) at Dec. 31, 2021		71,497,523
Dividends declared per common share	$ 1.69
Issuance of common stock through equity compensation plans		$ 1,150
Shares issued through equity compensation plans		123,631
Issuance of common stock through Employee Investment Plan		$ 605
Shares issued through Employee Investment Plan		14,306
Issuance of common stock through sales agency agreements, net of issuance costs		$ 137,173
Shares issued through sales agency agreements		3,310,488
Equity compensation expense		$ 7,567
Payment of minimum tax withholdings for share-based payment awards		(1,462)
Other comprehensive income	$ 8,981		8,981
Net Income (Loss)	155,176			155,176
Dividends on common stock				(129,266)
Ending Balance at Dec. 31, 2022	$ 2,334,668	$ 1,525,185	(2,058)	811,541
Ending Balance (in shares) at Dec. 31, 2022	74,945,948	74,945,948
Dividends declared per common share	$ 1.76
Issuance of common stock through equity compensation plans		$ 1,298
Shares issued through equity compensation plans		117,450
Issuance of common stock through Employee Investment Plan		$ 460
Shares issued through Employee Investment Plan		11,943
Issuance of common stock through sales agency agreements, net of issuance costs		$ 111,848
Shares issued through sales agency agreements		2,999,246
Equity compensation expense		$ 7,144
Payment of minimum tax withholdings for share-based payment awards		(1,497)
Other		(111)
Other comprehensive income	$ 1,701		1,701
Net Income (Loss)	171,180			171,180
Dividends on common stock				(141,368)
Ending Balance at Dec. 31, 2023	$ 2,485,323	$ 1,644,327	$ (357)	$ 841,353
Ending Balance (in shares) at Dec. 31, 2023	78,074,587	78,074,587
Dividends declared per common share	$ 1.84