Debt - Schedule of Senior Unsecured Revolving Credit Facility (Details) € in Thousands, £ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2022 CAD ($)	Sep. 30, 2022 AUD ($)	Sep. 30, 2022 GBP (£)	Sep. 30, 2022 EUR (€)	Sep. 30, 2022 NZD ($)	Dec. 31, 2021 CAD ($)	Dec. 31, 2021 AUD ($)	Dec. 31, 2021 GBP (£)	Dec. 31, 2021 EUR (€)	Dec. 31, 2021 NZD ($)
Line of Credit Facility [Line Items]
Carrying Amount	$ 2,973,315	$ 2,854,170
Revolving Credit Facility
Line of Credit Facility [Line Items]
Carrying Amount	468,286	399,314
Revolving Credit Facility | Credit Facility
Line of Credit Facility [Line Items]
Carrying Amount							$ 13					$ 0
Revolving Credit Facility | Credit Facility | New Zealand dollar
Line of Credit Facility [Line Items]
Carrying Amount	7,280	0
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 3 | Credit Facility
Line of Credit Facility [Line Items]
Carrying Amount	233,000	205,000
Revolver borrowing capacity	150,000
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 3 | Credit Facility | U.S. dollar
Line of Credit Facility [Line Items]
Carrying Amount	$ 233,000	$ 205,000
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 3 | Credit Facility | SOFR
Line of Credit Facility [Line Items]
Contractual interest rate	0.85%
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 3 | Credit Facility | LIBOR
Line of Credit Facility [Line Items]
Contractual interest rate		0.85%
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 4 | Credit Facility
Line of Credit Facility [Line Items]
Carrying Amount				$ 133,500					$ 80,000
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 4 | Credit Facility | Australian dollar
Line of Credit Facility [Line Items]
Carrying Amount	$ 85,440	$ 58,104
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 4 | Credit Facility | BBSW
Line of Credit Facility [Line Items]
Contractual interest rate	0.85%	0.85%
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 4 | Credit Facility | BKBM
Line of Credit Facility [Line Items]
Contractual interest rate	0.85%
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 2 | Credit Facility
Line of Credit Facility [Line Items]
Carrying Amount | £					£ 68,500					£ 68,500
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 2 | Credit Facility | British pound sterling
Line of Credit Facility [Line Items]
Carrying Amount	$ 76,515	$ 92,694
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 2 | Credit Facility | SONIA
Line of Credit Facility [Line Items]
Contractual interest rate	0.85%	0.85%
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 2 | Credit Facility | Adjusted Sterling Overnight Interbank Average Rate
Line of Credit Facility [Line Items]
Contractual interest rate	0.03%
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 1 | Credit Facility
Line of Credit Facility [Line Items]
Carrying Amount			$ 50,000					$ 55,000
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 1 | Credit Facility | Canadian dollar
Line of Credit Facility [Line Items]
Carrying Amount	$ 36,155	$ 43,516
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 1 | Credit Facility | CDOR
Line of Credit Facility [Line Items]
Contractual interest rate	0.85%	0.85%
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 5 | Credit Facility
Line of Credit Facility [Line Items]
Carrying Amount | €						€ 30,500					€ 0
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 5 | Credit Facility | Euro
Line of Credit Facility [Line Items]
Carrying Amount	$ 29,896	$ 0
Revolving Credit Facility | 2022/2020 Senior Unsecured Revolving Credit Facilities, Tranche 5 | Credit Facility | EURIBOR
Line of Credit Facility [Line Items]
Contractual interest rate	0.85%