CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands		Total	Cumulative Effect, Period of Adoption, Adjustment	Preferred Stock	Common Stock	Additional Paid-in Capital	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Noncontrolling Interest
Beginning balance at Dec. 31, 2021		$ 5,296,800		$ 537,145	$ 169,384	$ 3,894,109	$ (931,497)	$ (82,321)	$ 1,709,980		$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		349,088							349,088
Other comprehensive income (loss), net of income taxes		(944,384)						(944,384)
Cash dividends declared on common stock		(98,858)							(98,858)
Cash dividends declared on preferred stock	[1]	(16,581)							(16,581)
Repurchases of common stock including costs to repurchase		(12,987)					(12,987)
Restricted share unit vesting and taxes paid related to net share settlement		(8,991)			350	(6,063)			(3,278)
Stock options exercised, net		5,606			279	5,327
Share-based compensation expense		14,745				14,745
Ending balance at Jun. 30, 2022		4,584,438		537,145	170,013	3,908,118	(944,484)	(1,026,705)	1,940,351		0
Beginning balance at Dec. 31, 2021		5,296,800		537,145	169,384	3,894,109	(931,497)	(82,321)	1,709,980		0
Ending balance at Dec. 31, 2022		$ 4,475,801	$ (297)	537,145	170,141	3,920,346	(944,484)	(1,442,117)	2,234,770	$ (297)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Accounting standards update [Extensible List]		Accounting Standards Update 2023-02 [Member]
Beginning balance at Mar. 31, 2022		$ 4,824,635		537,145	169,912	3,899,269	(941,168)	(662,065)	1,821,542		0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		178,052							178,052
Other comprehensive income (loss), net of income taxes		(364,640)						(364,640)
Cash dividends declared on common stock		(49,416)							(49,416)
Cash dividends declared on preferred stock	[2]	(8,291)							(8,291)
Repurchases of common stock including costs to repurchase		(3,316)					(3,316)
Restricted share unit vesting and taxes paid related to net share settlement		(402)			48	1,086			(1,536)
Stock options exercised, net		972			53	919
Share-based compensation expense		6,844				6,844
Ending balance at Jun. 30, 2022		4,584,438		537,145	170,013	3,908,118	(944,484)	(1,026,705)	1,940,351		0
Beginning balance at Dec. 31, 2022		4,475,801	$ (297)	537,145	170,141	3,920,346	(944,484)	(1,442,117)	2,234,770	(297)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		376,103							376,269		(166)
Other comprehensive income (loss), net of income taxes		46,942						46,942
Cash dividends declared on common stock		(111,038)							(111,038)
Cash dividends declared on preferred stock	[1]	(16,581)							(16,581)
Restricted share unit vesting and taxes paid related to net share settlement		(10,202)			466	(8,231)			(2,437)
Stock options exercised, net		3,724			201	3,523
Share-based compensation expense		17,910				17,910
Acquisition of non-controlling interest		25,406									25,406
Ending balance at Jun. 30, 2023		4,807,768		537,145	170,808	3,933,548	(944,484)	(1,395,175)	2,480,686		25,240
Beginning balance at Mar. 31, 2023		4,770,130		537,145	170,714	3,925,449	(944,484)	(1,289,327)	2,370,633	$ (297)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		173,944							174,110		(166)
Other comprehensive income (loss), net of income taxes		(105,848)						(105,848)
Cash dividends declared on common stock		(55,536)							(55,536)
Cash dividends declared on preferred stock	[2]	(8,291)							(8,291)
Restricted share unit vesting and taxes paid related to net share settlement		(99)			83	48			(230)
Stock options exercised, net		227			11	216
Share-based compensation expense		7,835				7,835
Acquisition of non-controlling interest		25,406									25,406
Ending balance at Jun. 30, 2023		$ 4,807,768		$ 537,145	$ 170,808	$ 3,933,548	$ (944,484)	$ (1,395,175)	$ 2,480,686		$ 25,240

[1] For the six months ended June 30, 2023 and 2022, dividends per share were $0.79 and $0.73 for Series D and Series E Preferred Stock, respectively.

[2] For the three months ended June 30, 2023 and 2022, dividends per share were $0.39 and $0.37 for Series D and Series E Preferred Stock, respectively.