Income Taxes - Narrative (Detail) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Contingency [Line Items]
Unrecognized tax benefits that would impact effective tax rate	$ 89.2
Tax basis of REIT assets in excess of balance sheet	2,500.0
Tax credit carryforward	6.2
Unrecognized tax benefits, interest and penalties accrued	6.5	$ 13.6	$ 21.3
Capital Loss Carryforward
Income Tax Contingency [Line Items]
Tax credit carryforward	7.2
Indemnification Agreement | Metronode
Income Tax Contingency [Line Items]
Unrecognized tax benefits that would impact effective tax rate	$ 2.0	$ 32.0