Segment and Geographic Information - Schedule of Disaggregation of Revenue by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	$ 1,426,467	$ 1,338,188	$ 2,867,284	$ 2,651,245
Interest income on financing receivables	32,024	32,382	64,154	65,017
Interest and dividend income on loans and preferred equity investments	88,517	39,480	158,627	74,216
Other	703	328	6,373	405
Total revenue	1,547,711	1,410,378	3,096,438	2,790,883
Retail
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	1,114,742	1,061,093	2,260,208	2,102,710
Other			6,373
Industrial
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	251,474	214,324	486,005	422,416
Other
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	60,251	62,771	121,071	126,119
U.S.
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	1,140,150	1,116,809	2,312,180	2,239,697
U.S. | Retail
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	868,428	858,362	1,779,352	1,722,434
U.S. | Industrial
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	212,107	197,205	414,803	393,634
U.S. | Other
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	59,615	61,242	118,025	123,629
U.K.
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	203,186	169,617	398,032	320,405
U.K. | Retail
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	187,075	155,506	364,275	293,670
U.K. | Industrial
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	15,475	12,582	30,711	24,245
U.K. | Other
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	636	1,529	3,046	2,490
Other
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	83,131	51,762	157,072	91,143
Other | Retail
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	59,239	47,225	116,581	86,606
Other | Industrial
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	23,892	4,537	40,491	4,537
Other | Other
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	$ 0	$ 0	$ 0	$ 0