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Debt - Summary (Details) - USD ($) $ in Thousands		9 Months Ended
Debt - Summary (Details) - USD ($) $ in Thousands	Jul. 16, 2026	Sep. 30, 2026	Dec. 31, 2025
Debt Instrument [Line Items]
Principal outstanding		$ 3,416,927	$ 3,266,099
Weighted Average Years(2)		4 years 2 months 12 days
Long-term debt, gross		$ 3,416,927	3,266,099
Stated interest rate		3.9125%
Debt Issuance Costs, Net		$ (11,303)	(11,665)
Unamortized fair market value discount		$ (113)	(119)
Weighted average interest rate		4.42%
Unsecured Credit Facility
Debt Instrument [Line Items]
Principal outstanding		$ 463,000	262,000
Weighted Average Years(2)		2 years 10 months 24 days
Basis spread on variable rate		0.725%
Unsecured Credit Facility \| Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.00%
Unsecured Credit Facility \| Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	0.05%
Unsecured Term Loans
Debt Instrument [Line Items]
Weighted Average Years(2)		3 years 7 months 6 days
Long-term debt, gross		$ 1,025,000	1,025,000
Weighted average interest rate		3.54%
Unsecured Notes
Debt Instrument [Line Items]
Weighted Average Years(2)		4 years 9 months 18 days
Long-term debt, gross		$ 1,925,000	1,975,000
Weighted average interest rate		4.84%
Mortgage Loans Payable
Debt Instrument [Line Items]
Weighted Average Years(2)		13 years
Long-term debt, gross		$ 3,927	$ 4,099
Mortgage Loans Payable \| United of Omaha Life Insurance Company
Debt Instrument [Line Items]
Stated interest rate		3.71%