Note 13 - Notes Payable - Notes Payable (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021
Balance, Net		$ 6,781.0	$ 7,027.1
Weighted Average [Member]
Interest Rate	[1]	3.45%	3.35%
Notes Payable [Member]
Fair value debt adjustments, net		$ 44.4	$ 81.0
Deferred financing costs, net (2)	[2]	(66.4)	(56.0)
Unsecured Debt [Member]
Gross Balance		6,803.0
Fair value debt adjustments, net		66.4
Unsecured Debt [Member] | Notes Payable [Member]
Gross Balance		$ 6,803.0	$ 7,002.1
Unsecured Debt [Member] | Notes Payable [Member] | Minimum [Member]
Interest Rate		1.90%	1.90%
Unsecured Debt [Member] | Notes Payable [Member] | Maximum [Member]
Interest Rate		6.88%	6.88%
Line of Credit [Member] | Notes Payable [Member]
Gross Balance	[3]	$ 0.0	$ 0.0

[1] Weighted-average interest rate

[2] As of December 31, 2022 and 2021, the Company had $2.5 million and $4.0 million of deferred financing costs, net related to the Credit Facility that are included in Other assets on the Company’s Consolidated Balance Sheets, respectively.

[3] Accrues interest at a rate of Adjusted Term Secured Overnight Financing Rate (“Adjusted Term SOFR”), as defined, plus 0.755% and LIBOR plus 0.765% as of December 31, 2022 and 2021, respectively.