Debt - Schedule of Long-term Debt Instruments (Details)	6 Months Ended
Jun. 30, 2025 USD ($) property option	Dec. 31, 2024 USD ($)
Debt
Duration used in interest rate calculation (in days)	360 days
Number of office properties \| property	6
Hollywood Media Portfolio CMBS, net \| Interest Rate Cap \| Designated as hedging Instrument
Debt
Notional amount	$ 539,000,000
Hollywood Media Portfolio CMBS, net \| Interest Rate Cap \| Designated as hedging Instrument \| Cash Flow Hedging, Partial
Debt
Interest rate (as a percent)	6.01%
Hollywood Media Portfolio CMBS, net \| Interest Rate Swap \| Designated as hedging Instrument
Debt
Notional amount	$ 351,200,000
Hollywood Media Portfolio CMBS, net \| Interest Rate Swap \| Designated as hedging Instrument \| Cash Flow Hedging
Debt
Interest rate (as a percent)	3.31%
Hollywood Media Portfolio CMBS, net \| Interest Rate Swap \| Designated as hedging Instrument
Debt
Notional amount	$ 179,600,000
Hollywood Media Portfolio CMBS, net \| Interest Rate Swap \| Designated as hedging Instrument \| Cash Flow Hedging
Debt
Interest rate (as a percent)	4.13%
Hollywood Media Portfolio CMBS, net \| Interest Rate Caps \| Designated as hedging Instrument \| Cash Flow Hedging, Partial
Debt
Interest rate (as a percent)	6.01%
Hollywood Media Portfolio CMBS, net \| Interest Rate Caps \| Designated as hedging Instrument \| Cash Flow Hedging
Debt
Notional amount	$ 539,000,000
1918 Eighth \| Interest Rate Swap \| Designated as hedging Instrument
Debt
Notional amount	$ 172,900,000
1918 Eighth \| Interest Rate Swap \| Designated as hedging Instrument \| Cash Flow Hedging
Debt
Interest rate (as a percent)	3.75%
1918 Eighth \| Interest Rate Caps \| Designated as hedging Instrument
Debt
Notional amount	$ 141,400,000
1918 Eighth \| Interest Rate Caps \| Designated as hedging Instrument \| Cash Flow Hedging, Partial
Debt
Interest rate (as a percent)	5.00%
1918 Eighth \| Interest Rate Caps \| Designated as hedging Instrument \| Cash Flow Hedging
Debt
Notional amount	$ 141,435,000
Sunset Glenoaks Studios \| Interest Rate Caps \| Designated as hedging Instrument \| Cash Flow Hedging, Partial
Debt
Interest rate (as a percent)	4.50%
Office Portfolio CMBS \| Interest Rate Swap \| Designated as hedging Instrument
Debt
Notional amount	$ 222,500,000
Office Portfolio CMBS \| Interest Rate Swap \| Designated as hedging Instrument \| Cash Flow Hedging, Partial
Debt
Interest rate (as a percent)	3.41%
Office Portfolio CMBS \| Interest Rate Swap \| Designated as hedging Instrument \| Cash Flow Hedging
Debt
Interest rate (as a percent)	3.35%
Office Portfolio CMBS \| Interest Rate Swap \| Designated as hedging Instrument \| Cash Flow Hedging, Partial
Debt
Interest rate (as a percent)	3.41%
Office Portfolio CMBS \| Interest Rate Caps \| Designated as hedging Instrument
Debt
Notional amount	$ 250,000,000
Office Portfolio CMBS \| Interest Rate Caps \| Designated as hedging Instrument \| Cash Flow Hedging, Partial
Debt
Interest rate (as a percent)	4.96%
Unsecured debt
Debt
TOTAL	$ 1,650,000,000	$ 2,435,000,000
Joint venture partner debt	1,650,000,000	2,435,000,000
Unsecured debt \| Series B notes
Debt
TOTAL	0	259,000,000
Joint venture partner debt	$ 0	259,000,000
Interest rate (as a percent)	4.69%
Unsecured debt \| Series C notes
Debt
TOTAL	$ 0	56,000,000
Joint venture partner debt	$ 0	56,000,000
Interest rate (as a percent)	4.79%
Unsecured debt \| Series D notes
Debt
TOTAL	$ 0	150,000,000
Joint venture partner debt	$ 0	150,000,000
Interest rate (as a percent)	3.98%
Unsecured debt \| 3.95% Registered senior notes
Debt
TOTAL	$ 400,000,000	400,000,000
Joint venture partner debt	$ 400,000,000	400,000,000
Interest rate (as a percent)	3.95%
Unsecured debt \| 4.65% Registered senior notes
Debt
TOTAL	$ 500,000,000	500,000,000
Joint venture partner debt	$ 500,000,000	500,000,000
Interest rate (as a percent)	4.65%
Unsecured debt \| 3.25% Registered senior notes
Debt
TOTAL	$ 400,000,000	400,000,000
Joint venture partner debt	$ 400,000,000	400,000,000
Interest rate (as a percent)	3.25%
Unsecured debt \| 5.95% Registered senior notes
Debt
TOTAL	$ 350,000,000	350,000,000
Joint venture partner debt	$ 350,000,000	350,000,000
Interest rate (as a percent)	5.95%
Secured debt
Debt
TOTAL	$ 2,059,000,000	1,752,667,000
Joint venture partner debt	2,059,000,000	1,752,667,000
Secured debt \| Hollywood Media Portfolio CMBS, net
Debt
TOTAL	1,069,767,000	1,069,767,000
Joint venture partner debt	$ 1,069,767,000	1,069,767,000
Extension term	1 year
Number of extension options \| option	3
Payments to acquire bonds	$ 30,200,000
Secured debt \| Hollywood Media Portfolio CMBS(7)
Debt
Hollywood Media Portfolio CMBS(7)	$ 1,100,000,000	1,100,000,000
Basis spread on variable rate (as a percent)	1.10%
Number of properties \| property	8
Secured debt \| Acquired Hollywood Media Portfolio CMBS debt
Debt
Acquired Hollywood Media Portfolio CMBS debt	$ (30,233,000)	(30,233,000)
Basis spread on variable rate (as a percent)	2.11%
Secured debt \| Element LA
Debt
TOTAL	$ 0	168,000,000
Joint venture partner debt	$ 0	168,000,000
Interest rate (as a percent)	4.59%
Secured debt \| 1918 Eighth
Debt
TOTAL	$ 314,300,000	314,300,000
Joint venture partner debt	$ 314,300,000	314,300,000
Basis spread on variable rate (as a percent)	1.40%
Secured debt \| Hill7
Debt
TOTAL	$ 101,000,000	101,000,000
Joint venture partner debt	$ 101,000,000	101,000,000
Interest rate (as a percent)	3.38%
Secured debt \| Sunset Glenoaks Studios
Debt
TOTAL	$ 100,600,000	99,600,000
Joint venture partner debt	$ 100,600,000	99,600,000
Basis spread on variable rate (as a percent)	3.10%
Extension term	1 year
Number of extension options \| option	2
Debt instrument, maximum capacity	$ 100,600,000
Secured debt \| Office Portfolio CMBS
Debt
TOTAL	473,333,000	0
Joint venture partner debt	$ 473,333,000	0
Basis spread on variable rate (as a percent)	3.76%
Extension term	1 year
Number of extension options \| option	3
Debt instrument, maximum capacity	$ 475,000,000.0
Secured debt \| Minimum \| Sunset Glenoaks Studios
Debt
Basis spread on variable rate (as a percent)	2.50%
Secured debt \| Maximum \| Sunset Glenoaks Studios
Debt
Basis spread on variable rate (as a percent)	3.10%
Unsecured and secured debt
Debt
TOTAL	$ 3,709,000,000	4,187,667,000
Unamortized deferred financing costs/loan discounts	(18,571,000)	(10,823,000)
TOTAL UNSECURED AND SECURED DEBT, NET	3,690,429,000	4,176,844,000
Joint venture partner debt	3,709,000,000	4,187,667,000
Joint venture partner debt
Debt
TOTAL	66,136,000	66,136,000
TOTAL UNSECURED AND SECURED DEBT, NET	66,136,000	66,136,000
Joint venture partner debt	$ 66,136,000	66,136,000
Interest rate (as a percent)	4.50%
Extension term	2 years
Number of extension options \| option	2
Revolving credit facility \| Unsecured debt
Debt
TOTAL	$ 0	320,000,000
Joint venture partner debt	$ 0	320,000,000
Basis spread on variable rate (as a percent)	1.33%
Maximum borrowing capacity	$ 775,000,000.0	$ 900,000,000
Maximum borrowing capacity including accordion feature	$ 2,000,000,000
Extension term	6 months
Number of extension options \| option	2
Revolving credit facility \| Unsecured debt \| CAD
Debt
Maximum borrowing capacity	$ 193,800,000
Revolving credit facility \| Unsecured debt \| GBP
Debt
Maximum borrowing capacity	$ 193,800,000
Revolving credit facility \| Unsecured debt \| Minimum
Debt
Basis spread on variable rate (as a percent)	1.15%
Commitment fee (as a percent)	0.15%
Revolving credit facility \| Unsecured debt \| Maximum
Debt
Basis spread on variable rate (as a percent)	1.60%
Commitment fee (as a percent)	0.30%

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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