Fair Value Measurements (Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - Recurring - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
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)	$ 108,919	$ 105,246
Loans receivable (included in investments in partially owned entities and in other assets)	32,984	32,984
Total assets	313,228	281,156
Mandatorily redeemable instruments (included in other liabilities)	49,383	49,386
Total liabilities	51,821	60,717
Designated as Hedging Instrument
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Interest rate swaps and caps	168,853	138,772
Interest rate swaps and caps designated as a hedge (included in other liabilities)		7,239
Not Designated as Hedging Instrument
Financial Assets and Liabilities Measured at Fair Value on a Recurring and Nonrecurring Basis
Interest rate swaps and caps	2,472	4,154
Interest rate swaps and caps designated as a hedge (included in other liabilities)	2,438	4,092
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)	60,375	58,956
Loans receivable (included in investments in partially owned entities and in other assets)	0	0
Total assets	60,375	58,956
Mandatorily redeemable instruments (included in other liabilities)	49,383	49,386
Total liabilities	49,383	49,386
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
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
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	171,325	142,926
Mandatorily redeemable instruments (included in other liabilities)	0	0
Total liabilities	2,438	11,331
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	168,853	138,772
Interest rate swaps and caps designated as a hedge (included in other liabilities)		7,239
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	2,472	4,154
Interest rate swaps and caps designated as a hedge (included in other liabilities)	2,438	4,092
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)	48,544	46,290
Loans receivable (included in investments in partially owned entities and in other assets)	32,984	32,984
Total assets	81,528	79,274
Mandatorily redeemable instruments (included in other liabilities)	0	0
Total liabilities	0	0
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
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
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)	5,296	26,363
Other Assets
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)	$ 103,623	$ 78,883