Consolidated Balance Sheets (Parentheticals) - USD ($)		Dec. 31, 2022	Dec. 31, 2021
Total assets	[1]	$ 17,826,122,000	$ 18,459,199,000
Total liabilities	[2]	$ 8,086,280,000	$ 8,335,537,000
Preferred stock, par value (in dollars per share)		$ 1.00	$ 1.00
Preferred stock, shares authorized (in shares)		7,054,000	7,054,000
Preferred stock, shares issued (in shares)		19,435	19,580
Preferred stock, shares outstanding (in shares)		19,435	19,580
Preferred stock, liquidation preference		$ 485,868	$ 489,500
Common stock, par value (in dollars per share)		$ 0.01	$ 0.01
Common stock, shares authorized (in shares)		750,000,000	750,000,000
Common stock, shares issued (in shares)		618,483,565	616,658,593
Common stock, shares outstanding (in shares)		618,483,565	616,658,593
Variable Interest Entity, Primary Beneficiary [Member] | Nonrecourse [Member]
Total liabilities		$ 199,100,000	$ 153,900,000
Variable Interest Entity, Primary Beneficiary [Member] | Asset Pledged as Collateral [Member]
Total assets		$ 436,600,000	$ 227,900,000

[1] Includes restricted assets of consolidated variable interest entities (“VIEs”) at September 30, 2022 and December 31, 2021 of $88,949 and $227,858, respectively. See Footnote 13 of the Notes to Condensed Consolidated Financial Statements.

[2] Includes non-recourse liabilities of consolidated VIEs at September 30, 2022 and December 31, 2021 of $100,291 and $153,924, respectively. See Footnote 13 of the Notes to Condensed Consolidated Financial Statements.