Corporate Indebtedness - Schedule of Junior Subordinated Deferrable Interest Debentures and Principal Maturities (Details) $ in Thousands	Sep. 30, 2026 USD ($)
Principal Repayments and Joint Venture Debt
Remaining 2026	$ 465,000
2027	1,157,413
2028	80,000
2029	189,200
2030	0
Thereafter	2,505,186
Total principal repayments	4,396,799
Due from joint ventures
Principal Repayments and Joint Venture Debt
Remaining 2026	141,017
2027	2,353,294
2028	578,849
2029	0
2030	840,000
Thereafter	2,071,050
Total principal repayments	5,984,210
Due from joint ventures \| Principal
Principal Repayments and Joint Venture Debt
Remaining 2026	365,000
2027	857,413
2028	80,000
2029	189,200
2030	0
Thereafter	725,186
Total principal repayments	2,216,799
Due from joint ventures \| Revolving Credit Facility
Principal Repayments and Joint Venture Debt
Remaining 2026	0
2027	0
2028	0
2029	0
2030	0
Thereafter	930,000
Total principal repayments	930,000
Due from joint ventures \| Unsecured Term Loans
Principal Repayments and Joint Venture Debt
Remaining 2026	100,000
2027	300,000
2028	0
2029	0
2030	0
Thereafter	750,000
Total principal repayments	1,150,000
Due from joint ventures \| Trust Preferred Securities
Principal Repayments and Joint Venture Debt
Remaining 2026	0
2027	0
2028	0
2029	0
2030	0
Thereafter	100,000
Total principal repayments	$ 100,000

Total amount of long-term debt maturing in future periods.

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Long Term Debt, Maturity, After Year Four

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 235
-Name Accounting Standards Codification
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-Topic 235
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in remainder of current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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