Summary of Significant Accounting Policies - Property, Plant and Equipment and Tenant Capital Improvements (Details) - USD ($)		12 Months Ended
	Apr. 27, 2015	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Summary Of Significant Accounting Policies [Line Items]
Accumulated amortization of finance lease assets		$ 20,400,000	$ 22,200,000
Gain (loss) on disposition of property	$ 0
Depreciation expense		280,800,000	263,000,000	$ 261,200,000
Impairment losses		0	0	0
Property Plant and Equipment, Net
Summary Of Significant Accounting Policies [Line Items]
Tenant funded capital improvements		970,100,000	884,400,000
Tenant Capital Improvements | Master Lease | Windstream
Summary Of Significant Accounting Policies [Line Items]
Leasing revenue		47,000,000	43,200,000	39,000,000
Depreciation expense		$ 47,000,000	$ 43,200,000	$ 39,000,000