Fair Value Measurements (Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Designated as Hedging Instrument
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Interest rate swaps and caps designated as a hedge (included in other liabilities)	$ 369
Fair Value Liability		$ 7,239
Recurring
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Deferred compensation plan assets (included in restricted cash and other assets)	108,553	105,246
Loans receivable (included in investments in partially owned entities and in other assets)	32,984	32,984
Total assets	306,702	281,156
Mandatorily redeemable instruments (included in other liabilities)	49,383	49,386
Total liabilities	56,594	60,717
Recurring | Designated as Hedging Instrument
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Interest rate swaps and caps	158,305	138,772
Interest rate swaps and caps designated as a hedge (included in other liabilities)	369	7,239
Recurring | Not Designated as Hedging Instrument
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Interest rate swaps and caps	6,860	4,154
Interest rate swaps and caps designated as a hedge (included in other liabilities)	6,842	4,092
Recurring | Level 1
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Deferred compensation plan assets (included in restricted cash and other assets)	60,595	58,956
Loans receivable (included in investments in partially owned entities and in other assets)	0	0
Total assets	60,595	58,956
Mandatorily redeemable instruments (included in other liabilities)	49,383	49,386
Total liabilities	49,383	49,386
Recurring | Level 1 | Designated as Hedging Instrument
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Interest rate swaps and caps	0	0
Interest rate swaps and caps designated as a hedge (included in other liabilities)	0	0
Recurring | Level 1 | Not Designated as Hedging Instrument
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Interest rate swaps and caps	0	0
Interest rate swaps and caps designated as a hedge (included in other liabilities)	0	0
Recurring | Level 2
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Deferred compensation plan assets (included in restricted cash and other assets)	0	0
Loans receivable (included in investments in partially owned entities and in other assets)	0	0
Total assets	165,165	142,926
Mandatorily redeemable instruments (included in other liabilities)	0	0
Total liabilities	7,211	11,331
Recurring | Level 2 | Designated as Hedging Instrument
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Interest rate swaps and caps	158,305	138,772
Interest rate swaps and caps designated as a hedge (included in other liabilities)	369	7,239
Recurring | Level 2 | Not Designated as Hedging Instrument
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Interest rate swaps and caps	6,860	4,154
Interest rate swaps and caps designated as a hedge (included in other liabilities)	6,842	4,092
Recurring | Level 3
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Deferred compensation plan assets (included in restricted cash and other assets)	47,958	46,290
Loans receivable (included in investments in partially owned entities and in other assets)	32,984	32,984
Total assets	80,942	79,274
Mandatorily redeemable instruments (included in other liabilities)	0	0
Total liabilities	0	0
Recurring | Level 3 | Designated as Hedging Instrument
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Interest rate swaps and caps	0	0
Interest rate swaps and caps designated as a hedge (included in other liabilities)	0	0
Recurring | Level 3 | Not Designated as Hedging Instrument
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Interest rate swaps and caps	0	0
Interest rate swaps and caps designated as a hedge (included in other liabilities)	0	0
Restricted Cash | Recurring
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Deferred compensation plan assets (included in restricted cash and other assets)	4,840	26,363
Other Assets | Recurring
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Deferred compensation plan assets (included in restricted cash and other assets)	$ 103,713	$ 78,883