Segment and Geographic Information - Schedule of Disaggregation of Revenue by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	$ 1,440,817	$ 1,313,057
Interest income on financing receivables	32,130	32,635
Interest and dividend income on loans and preferred equity investments	70,110	34,736
Other revenue	5,670	77
Total revenue	1,548,727	1,380,505
Retail
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	1,145,466	1,041,618
Industrial
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	234,531	208,092
Other
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	60,820	63,347
U.S.
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	1,172,030	1,122,888
U.S. | Retail
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	910,924	864,073
U.S. | Industrial
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	202,696	196,429
U.S. | Other
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	58,410	62,386
U.K.
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	194,846	150,889
U.K. | Retail
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	177,200	138,265
U.K. | Industrial
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	15,236	11,663
U.K. | Other
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	2,410	961
Other
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	73,941	39,280
Other | Retail
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	57,342	39,280
Other | Industrial
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	16,599	0
Other | Other
Disaggregation of Revenue [Line Items]
Rental (including reimbursements)	$ 0	$ 0