Notes Payable - Terms of Notes Payable (Details) $ in Thousands	9 Months Ended
Sep. 30, 2025 USD ($) extension	Dec. 31, 2024 USD ($)
Debt Instrument [Line Items]
Notes payable, gross	$ 3,326,551	$ 3,110,214
Unamortized original issue discount	(3,341)	(3,560)
Unamortized loan costs	(13,827)	(10,988)
Total Notes Payable	$ 3,309,383	3,095,666
Weighted average maturity of notes payable	4 years
Unsecured Notes
Debt Instrument [Line Items]
Notes payable, gross	$ 2,883,714	2,662,332
Credit Facility
Debt Instrument [Line Items]
Interest Rate	4.995%
Notes payable, gross	$ 83,714	112,332
Senior Unsecured Debt
Debt Instrument [Line Items]
Notes payable, gross	$ 2,200,000
Senior Unsecured Debt \| Unsecured Senior Notes With Interest Rate Of 5.875%
Debt Instrument [Line Items]
Interest Rate	5.875%
Notes payable, gross	$ 500,000	500,000
Senior Unsecured Debt \| Unsecured Senior Notes With Interest Rate Of 5.250%
Debt Instrument [Line Items]
Interest Rate	5.25%
Notes payable, gross	$ 500,000	$ 0
Unamortized loan costs	$ (4,200)
Senior Unsecured Debt \| Unsecured Senior Notes With Interest Rate Of 5.375%
Debt Instrument [Line Items]
Interest Rate	5.375%	5.375%
Notes payable, gross	$ 400,000	$ 400,000
Unamortized loan costs		(3,600)
Senior Unsecured Debt \| 10 Year Unsecured Senior Notes With Interest Rate Of 3.95%
Debt Instrument [Line Items]
Interest Rate	3.95%
Notes payable, gross	$ 275,000	275,000
Senior Unsecured Debt \| Eight Year Note With Interest Rate Of 3.91%
Debt Instrument [Line Items]
Interest Rate	3.91%
Notes payable, gross	$ 0	250,000
Senior Unsecured Debt \| 9 Year Unsecured Senior Notes With Interest Rate Of 3.86%
Debt Instrument [Line Items]
Interest Rate	3.86%
Notes payable, gross	$ 250,000	250,000
Senior Unsecured Debt \| Senior Notes With Interest Rate Of 3.78%
Debt Instrument [Line Items]
Interest Rate	3.78%
Notes payable, gross	$ 125,000	125,000
Senior Unsecured Debt \| Senior Notes With Interest Rate Of 4.09%
Debt Instrument [Line Items]
Interest Rate	4.09%
Notes payable, gross	$ 100,000	100,000
Term Loan, Unsecured Due In September 2025 \| Unsecured Term Loan With Interest Rate Of 5.212%
Debt Instrument [Line Items]
Interest Rate	4.971%
Notes payable, gross	$ 400,000	400,000
Term Loan, Unsecured Due In August 2025 \| Unsecured Term Loan With Interest Rate Of 5.39%
Debt Instrument [Line Items]
Interest Rate	5.22%
Notes payable, gross	$ 250,000	250,000
Mortgage Debt
Debt Instrument [Line Items]
Notes payable, gross	442,837	447,882
Total Notes Payable	$ 442,800
Mortgage Debt \| Terminus
Debt Instrument [Line Items]
Interest Rate	6.34%
Notes payable, gross	$ 221,000	221,000
Mortgage Debt \| Terminus 100
Debt Instrument [Line Items]
Notes payable, gross	123,000
Mortgage Debt \| Terminus 200
Debt Instrument [Line Items]
Notes payable, gross	$ 98,000
Mortgage Debt \| 201 N. Tryon
Debt Instrument [Line Items]
Interest Rate	3.37%
Notes payable, gross	$ 119,909	122,802
Mortgage Debt \| Colorado Tower
Debt Instrument [Line Items]
Interest Rate	3.45%
Notes payable, gross	$ 101,928	$ 104,080
Unsecured Debt \| Unsecured Term Loan With Interest Rate Of 5.212%
Debt Instrument [Line Items]
Number of extension options \| extension	4
Extension term	6 months
Unsecured Debt \| Unsecured Term Loan With Interest Rate Of 5.39%
Debt Instrument [Line Items]
Number of extension options \| extension	4
Extension term	180 days

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