Investments in Real Estate - Acquisitions (Details) - 3 months ended Mar. 31, 2023 ft² in Thousands, £ in Millions, $ in Millions	USD ($) ft² property	GBP (£) ft² property
Real Estate [Line Items]
Number of properties | property	339	339
Leasable square feet (sq ft) | ft²	10,682	10,682
Investment | $	$ 1,674.2
Weighted average lease term (years)	11 years 2 months 12 days	11 years 2 months 12 days
Initial weighted average cash lease yield (percent)	7.00%	7.00%
Settlement credits as reimbursement for acquired rent free period | $	$ 0.7
Rental revenue generated from acquisitions from investment grade tenants (as a percent)	42.00%	42.00%
Retail
Real Estate [Line Items]
Property type acquired based on rental revenue (as a percent)	85.50%	85.50%
Industrial
Real Estate [Line Items]
Property type acquired based on rental revenue (as a percent)	14.50%	14.50%
New properties
Real Estate [Line Items]
Number of properties, new | property	217	217
Leasable square feet (sq ft) | ft²	8,363	8,363
Investment | $	$ 1,438.6
Weighted average lease term (years)	10 years 8 months 12 days	10 years 8 months 12 days
Initial weighted average cash lease yield (percent)	7.20%	7.20%
New properties | UNITED STATES
Real Estate [Line Items]
Number of properties, new | property	197	197
Leasable square feet (sq ft) | ft²	5,926	5,926
Investment | $	$ 1,048.9
Weighted average lease term (years)	10 years	10 years
Initial weighted average cash lease yield (percent)	7.00%	7.00%
New properties | Europe (UK)
Real Estate [Line Items]
Number of properties, new | property	20	20
Leasable square feet (sq ft) | ft²	2,437	2,437
Investment | $	$ 389.7
Weighted average lease term (years)	12 years 7 months 6 days	12 years 7 months 6 days
Initial weighted average cash lease yield (percent)	7.60%	7.60%
Properties under development
Real Estate [Line Items]
Number of properties, under development | property	122	122
Leasable square feet (sq ft) | ft²	2,319	2,319
Investment | $	$ 235.6
Weighted average lease term (years)	14 years 9 months 18 days	14 years 9 months 18 days
Initial weighted average cash lease yield (percent)	6.00%	6.00%
Properties under development | UNITED KINGDOM
Real Estate [Line Items]
Number of properties, under development | property	3	3
Investment | £		£ 3.8