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Payment for Finance Lease, Right of Use Asset

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Real estate investments property owned in number of states.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Summary of Significant Accounting Policies - Narrative (Details) ft² in Millions	12 Months Ended
	Dec. 31, 2021 USD ($) property reportingUnit state transaction building	Dec. 31, 2020 USD ($) ft² property	Dec. 31, 2019 USD ($)	Dec. 10, 2021 property	Jul. 27, 2021 a
Real Estate Properties [Line Items]
Equity ownership for consolidation (percent)	100.00%
Business Overview [Abstract]
Gross investment, amount, total	$ 5,100,000,000
Real estate properties and mortgages \| property	242
Number of owned real estate properties \| property	242			3
Square footage of owned real estate properties		17.0			3.0
Number of properties owned by the unconsolidated joint venture \| property		16
Number of states that the Company owns real estate in \| state	23
Segment Reporting [Abstract]
Number of Reporting Units \| reportingUnit	1
Real Estate Properties [Abstract]
Total real estate investments	$ 5,104,942,000	$ 4,641,080,000
Elimination of real estate lease intangibles against accumulated depreciation	33,700,000	29,700,000
Depreciation	$ 170,000,000	$ 162,400,000	$ 152,600,000
Maximum period up to which interest capitalize on properties in stabilization	1 year
Land Held for Development [Abstract]
Number of land parcels held for development \| property	7	8
Land held for development	$ 24,800,000	$ 27,200,000
Goodwill and Intangible Assets [Abstract]
Goodwill impairment loss	0	0
Goodwill	3,500,000	3,500,000
Federal Income Taxes [Abstract]
Provision for federal income tax	$ 0
Percentage of distribution of taxable income for qualify as REIT	90.00%
Unrecognized tax benefits, income tax penalties and interest expense	$ 0	0	0
Leases [Abstract]
Number of buildings acquired in sale leaseback transactions \| building	4
Investment in financing receivable	$ 186,433,000	0	$ 0
San Diego, CA
Leases [Abstract]
Investment in financing receivable	$ 105,400,000
Nashville, TN
Leases [Abstract]
Number of buildings acquired in sale leaseback transactions \| building	2
Investment in financing receivable	$ 73,900,000
Number of sale leaseback transactions \| transaction	2
Property Entities Not Determined to be VIEs
Real Estate Properties [Line Items]
Equity interest owned (percent)	100.00%
Total interest rate swaps
Derivative Instrument Detail [Abstract]
Accumulated other comprehensive income (loss), net of tax	$ 10,000,000	17,800,000
Tenant and Capital Improvements
Real Estate Properties [Abstract]
Fully depreciated tenant and capital improvements eliminated against accumulated depreciation	9,900,000
Buildings and improvements
Real Estate Properties [Abstract]
Fully depreciated tenant and capital improvements eliminated against accumulated depreciation	7,100,000
Buildings and improvements \| Columbus OH
Leases [Abstract]
Investment in financing receivable	16,300,000
Imputed lease with seller	8,900,000
Building \| Columbus OH
Leases [Abstract]
Investment in financing receivable	7,400,000
At Market Lease Intangibles
Real Estate Properties [Abstract]
Elimination of real estate lease intangibles against accumulated depreciation	$ 16,300,000	$ 21,200,000