Unconsolidated Affiliates - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of Investments [Line Items]
Carrying Value	$ 345.2	$ 266.9
Distributions received return on investment	$ 21.2	2.3	$ 10.0
Gain on Sale of Assets			23.4
International Financial Data Services L.P. [Member]
Schedule of Investments [Line Items]
Ownership Percentage	50.00%
Amortization period	15 years
Carrying Value	$ 68.3	85.1
Distributions received return on investment			10.0
International Financial Data Services L.P. [Member] | State Street [Member]
Schedule of Investments [Line Items]
Ownership Percentage	50.00%
Kanas City Downtown Hotel Group, L.L.C [Member]
Schedule of Investments [Line Items]
Distributions received return on investment			$ 20.0
PRDC, LLC [Member]
Schedule of Investments [Line Items]
Ownership Percentage	50.00%
Amortization period	28 years
Distributions received from unconsolidated affiliates	$ 22.5	64.5
Broadway Square Partners [Member]
Schedule of Investments [Line Items]
Ownership Percentage	50.00%
Amortization period	40 years
Carrying Value	$ 53.4	53.8
Orbit Private Investments L.P.
Schedule of Investments [Line Items]
Ownership Percentage	9.80%
Carrying Value	$ 211.6	$ 115.3