Investments in Real Estate - Acquisitions (Details) - 9 months ended Sep. 30, 2023 ft² in Thousands, € in Millions, £ in Millions, $ in Millions	USD ($) ft² property	GBP (£) ft² property	EUR (€) ft² property
Real Estate [Line Items]
Number of properties	1,187	1,187	1,187
Leasable square feet (sq ft) | ft²	30,607	30,607	30,607
Investment | $	$ 6,810.5
Weighted average lease term (years)	15 years 9 months 18 days	15 years 9 months 18 days	15 years 9 months 18 days
Initial weighted average cash lease yield (percent)	6.90%	6.90%	6.90%
Settlement credits as reimbursement for acquired rent free period | $	$ 3.7
Rental revenue generated from acquisitions from investment grade tenants (as a percent)	25.00%	25.00%	25.00%
Retail
Real Estate [Line Items]
Property type acquired based on rental revenue (as a percent)	89.70%	89.70%	89.70%
Industrial
Real Estate [Line Items]
Property type acquired based on rental revenue (as a percent)	10.00%	10.00%	10.00%
Other Property
Real Estate [Line Items]
Property type acquired based on rental revenue (as a percent)	0.30%	0.30%	0.30%
New properties
Real Estate [Line Items]
Number of properties, new	882	882	882
Leasable square feet (sq ft) | ft²	23,338	23,338	23,338
Investment | $	$ 5,900.5
Weighted average lease term (years)	15 years 9 months 18 days	15 years 9 months 18 days	15 years 9 months 18 days
Initial weighted average cash lease yield (percent)	7.00%	7.00%	7.00%
New properties | UNITED STATES
Real Estate [Line Items]
Number of properties, new	802	802	802
Leasable square feet (sq ft) | ft²	14,730	14,730	14,730
Investment | $	$ 3,708.9
Weighted average lease term (years)	15 years 10 months 24 days	15 years 10 months 24 days	15 years 10 months 24 days
Initial weighted average cash lease yield (percent)	6.90%	6.90%	6.90%
New properties | Europe (UK)
Real Estate [Line Items]
Number of properties, new	80	80	80
Leasable square feet (sq ft) | ft²	8,608	8,608	8,608
Investment | $	$ 2,191.6
Weighted average lease term (years)	15 years 7 months 6 days	15 years 7 months 6 days	15 years 7 months 6 days
Initial weighted average cash lease yield (percent)	7.10%	7.10%	7.10%
Properties under development
Real Estate [Line Items]
Number of properties, under development	305	305	305
Leasable square feet (sq ft) | ft²	7,269	7,269	7,269
Investment | $	$ 910.0
Weighted average lease term (years)	16 years 2 months 12 days	16 years 2 months 12 days	16 years 2 months 12 days
Initial weighted average cash lease yield (percent)	6.70%	6.70%	6.70%
Properties under development | UNITED KINGDOM
Real Estate [Line Items]
Number of properties, under development	4	4	4
Investment | £		£ 32.6
Properties under development | Spain
Real Estate [Line Items]
Number of properties, under development	2	2	2
Investment | €			€ 25.9