Investments in Real Estate - Acquisitions (Details) - 6 months ended Jun. 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	997	997	997
Leasable square feet (sq ft) | ft²	22,299	22,299	22,299
Investment | $	$ 4,767.5
Weighted average lease term (years)	14 years 9 months 18 days	14 years 9 months 18 days	14 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 | $	$ 1.5
Rental revenue generated from acquisitions from investment grade tenants (as a percent)	26.00%	26.00%	26.00%
Retail
Real Estate [Line Items]
Property type acquired based on rental revenue (as a percent)	89.90%	89.90%	89.90%
Industrial
Real Estate [Line Items]
Property type acquired based on rental revenue (as a percent)	10.10%	10.10%	10.10%
New properties
Real Estate [Line Items]
Number of properties, new	778	778	778
Leasable square feet (sq ft) | ft²	16,664	16,664	16,664
Investment | $	$ 4,197.6
Weighted average lease term (years)	14 years 7 months 6 days	14 years 7 months 6 days	14 years 7 months 6 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	747	747	747
Leasable square feet (sq ft) | ft²	12,483	12,483	12,483
Investment | $	$ 3,408.9
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	31	31	31
Leasable square feet (sq ft) | ft²	4,181	4,181	4,181
Investment | $	$ 788.7
Weighted average lease term (years)	9 years 3 months 18 days	9 years 3 months 18 days	9 years 3 months 18 days
Initial weighted average cash lease yield (percent)	7.40%	7.40%	7.40%
Properties under development
Real Estate [Line Items]
Number of properties, under development	219	219	219
Leasable square feet (sq ft) | ft²	5,635	5,635	5,635
Investment | $	$ 569.9
Weighted average lease term (years)	16 years 6 months	16 years 6 months	16 years 6 months
Initial weighted average cash lease yield (percent)	6.50%	6.50%	6.50%
Properties under development | UNITED KINGDOM
Real Estate [Line Items]
Number of properties, under development	3	3	3
Investment | £		£ 8.7
Properties under development | Spain
Real Estate [Line Items]
Number of properties, under development	1	1	1
Investment | €			€ 10.2