Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Capital in Excess of Par Value	Accumulated Deficit	AOCIL
Beginning balance, value at Dec. 31, 2021	$ 3,999,799	$ 166,177	$ 6,385	$ 6,673,440	$ (2,840,356)	$ (5,847)
Preferred shares outstanding, beginning balance at Dec. 31, 2021		6,900,000
Common shares outstanding, beginning balance at Dec. 31, 2021			127,699,235
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	56,056				56,056
Dividends declared on preferred stock	(2,588)				(2,588)
Net income attributable to common stockholders	53,468				53,468
Other comprehensive income (Loss)	702					702
Dividends declared on common stock	(85,688)				(85,688)
Tax withholdings related to net stock settlements	(6,410)		$ (2)		(6,408)
Tax withholdings related to net stock settlements (in shares)			(39,028)
Issuance of shares of common stock, net	299,768		$ 328	299,440
Issuance of shares of common stock, net (in shares)			6,559,406
Stock-based compensation, net	3,529		$ 4	4,021	(496)
Stock-based compensation, net (in shares)			86,888
Ending balance, value at Mar. 31, 2022	4,265,168	$ 166,177	$ 6,715	6,976,901	(2,879,480)	(5,145)
Preferred shares outstanding, ending balance at Mar. 31, 2022		6,900,000
Common shares outstanding, ending balance at Mar. 31, 2022			134,306,501
Beginning balance, value at Dec. 31, 2021	3,999,799	$ 166,177	$ 6,385	6,673,440	(2,840,356)	(5,847)
Preferred shares outstanding, beginning balance at Dec. 31, 2021		6,900,000
Common shares outstanding, beginning balance at Dec. 31, 2021			127,699,235
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	215,436
Net income attributable to common stockholders	207,673
Other comprehensive income (Loss)	41,608
Ending balance, value at Sep. 30, 2022	4,520,790	$ 166,177	$ 6,983	7,217,245	(2,905,376)	35,761
Preferred shares outstanding, ending balance at Sep. 30, 2022		6,900,000
Common shares outstanding, ending balance at Sep. 30, 2022			139,661,826
Beginning balance, value at Dec. 31, 2021	3,999,799	$ 166,177	$ 6,385	6,673,440	(2,840,356)	(5,847)
Preferred shares outstanding, beginning balance at Dec. 31, 2021		6,900,000
Common shares outstanding, beginning balance at Dec. 31, 2021			127,699,235
Ending balance, value at Dec. 31, 2022	$ 4,561,316	$ 166,177	$ 7,062	7,285,629	(2,931,640)	34,088
Preferred shares outstanding, ending balance at Dec. 31, 2022	6,900,000	6,900,000
Common shares outstanding, ending balance at Dec. 31, 2022	141,231,219		141,231,219
Beginning balance, value at Mar. 31, 2022	$ 4,265,168	$ 166,177	$ 6,715	6,976,901	(2,879,480)	(5,145)
Preferred shares outstanding, beginning balance at Mar. 31, 2022		6,900,000
Common shares outstanding, beginning balance at Mar. 31, 2022			134,306,501
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	82,740				82,740
Dividends declared on preferred stock	(2,588)				(2,588)
Net income attributable to common stockholders	80,152				80,152
Other comprehensive income (Loss)	702					702
Dividends declared on common stock	(86,987)				(86,987)
Tax withholdings related to net stock settlements	(17)				(17)
Tax withholdings related to net stock settlements (in shares)			(403)
Issuance of shares of common stock, net	89,964		$ 100	89,864
Issuance of shares of common stock, net (in shares)			1,999,996
Stock-based compensation, net	3,889		$ 2	4,385	(498)
Stock-based compensation, net (in shares)			35,591
Ending balance, value at Jun. 30, 2022	4,352,871	$ 166,177	$ 6,817	7,071,150	(2,886,830)	(4,443)
Preferred shares outstanding, ending balance at Jun. 30, 2022		6,900,000
Common shares outstanding, ending balance at Jun. 30, 2022			136,341,685
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	76,640				76,640
Dividends declared on preferred stock	(2,587)				(2,587)
Net income attributable to common stockholders	74,053				74,053
Other comprehensive income (Loss)	40,204					40,204
Dividends declared on common stock	(92,595)				(92,595)
Issuance of shares of common stock, net	141,868		$ 166	141,702
Issuance of shares of common stock, net (in shares)			3,320,559
Stock-based compensation, net	4,389			4,393	(4)
Stock-based compensation, net (in shares)			(418)
Ending balance, value at Sep. 30, 2022	4,520,790	$ 166,177	$ 6,983	7,217,245	(2,905,376)	35,761
Preferred shares outstanding, ending balance at Sep. 30, 2022		6,900,000
Common shares outstanding, ending balance at Sep. 30, 2022			139,661,826
Beginning balance, value at Dec. 31, 2022	$ 4,561,316	$ 166,177	$ 7,062	7,285,629	(2,931,640)	34,088
Preferred shares outstanding, beginning balance at Dec. 31, 2022	6,900,000	6,900,000
Common shares outstanding, beginning balance at Dec. 31, 2022	141,231,219		141,231,219
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 96,173				96,173
Dividends declared on preferred stock	(2,588)				(2,588)
Net income attributable to common stockholders	93,585				93,585
Other comprehensive income (Loss)	(10,586)					(10,586)
Dividends declared on common stock	(93,675)				(93,675)
Tax withholdings related to net stock settlements	(1,312)		$ (2)		(1,310)
Tax withholdings related to net stock settlements (in shares)			(30,279)
Stock-based compensation, net	4,571		$ 5	5,225	(659)
Stock-based compensation, net (in shares)			98,982
Ending balance, value at Mar. 31, 2023	4,553,899	$ 166,177	$ 7,065	7,290,854	(2,933,699)	23,502
Preferred shares outstanding, ending balance at Mar. 31, 2023		6,900,000
Common shares outstanding, ending balance at Mar. 31, 2023			141,299,922
Beginning balance, value at Dec. 31, 2022	$ 4,561,316	$ 166,177	$ 7,062	7,285,629	(2,931,640)	34,088
Preferred shares outstanding, beginning balance at Dec. 31, 2022	6,900,000	6,900,000
Common shares outstanding, beginning balance at Dec. 31, 2022	141,231,219		141,231,219
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 188,822
Net income attributable to common stockholders	181,059
Other comprehensive income (Loss)	21,208
Tax withholdings related to net stock settlements	(1,500)
Ending balance, value at Sep. 30, 2023	$ 4,492,793	$ 166,177	$ 7,067	7,300,728	(3,036,475)	55,296
Preferred shares outstanding, ending balance at Sep. 30, 2023	6,900,000	6,900,000
Common shares outstanding, ending balance at Sep. 30, 2023	141,331,218		141,331,218
Beginning balance, value at Mar. 31, 2023	$ 4,553,899	$ 166,177	$ 7,065	7,290,854	(2,933,699)	23,502
Preferred shares outstanding, beginning balance at Mar. 31, 2023		6,900,000
Common shares outstanding, beginning balance at Mar. 31, 2023			141,299,922
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	54,181				54,181
Dividends declared on preferred stock	(2,588)				(2,588)
Net income attributable to common stockholders	51,593				51,593
Other comprehensive income (Loss)	23,534					23,534
Dividends declared on common stock	(93,700)				(93,700)
Tax withholdings related to net stock settlements	(145)				(145)
Tax withholdings related to net stock settlements (in shares)			(3,825)
Stock-based compensation, net	5,281		$ 2	4,968	311
Stock-based compensation, net (in shares)			35,261
Ending balance, value at Jun. 30, 2023	4,540,462	$ 166,177	$ 7,067	7,295,822	(2,975,640)	47,036
Preferred shares outstanding, ending balance at Jun. 30, 2023		6,900,000
Common shares outstanding, ending balance at Jun. 30, 2023			141,331,358
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	38,468				38,468
Dividends declared on preferred stock	(2,587)				(2,587)
Net income attributable to common stockholders	35,881				35,881
Other comprehensive income (Loss)	8,260					8,260
Dividends declared on common stock	(94,635)				(94,635)
Stock-based compensation, net	2,825			4,906	(2,081)
Stock-based compensation, net (in shares)			(140)
Ending balance, value at Sep. 30, 2023	$ 4,492,793	$ 166,177	$ 7,067	$ 7,300,728	$ (3,036,475)	$ 55,296
Preferred shares outstanding, ending balance at Sep. 30, 2023	6,900,000	6,900,000
Common shares outstanding, ending balance at Sep. 30, 2023	141,331,218		141,331,218