Fair Value - Classification Between the Three Levels of the Fair Value Hierarchy (Details) - Recurring basis - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Estimate of Fair Value Measurement
Financial Instruments Measured/Discussed at Fair Value
Notes Receivable, net	$ 165,826	$ 118,127
Total Assets	165,856	123,375
Total Liabilities	7,658,068	7,361,106
Unsecured notes | Estimate of Fair Value Measurement
Financial Instruments Measured/Discussed at Fair Value
Indebtedness	7,006,785	6,716,631
Secured Debt, Commercial Paper Program and Variable Rate Unsecured Indebtedness | Estimate of Fair Value Measurement
Financial Instruments Measured/Discussed at Fair Value
Indebtedness	651,283	644,313
Interest Rate Caps | Non-designated Hedges | Estimate of Fair Value Measurement
Financial Instruments Measured/Discussed at Fair Value
Derivative assets	30	85
Interest Rate Swap | Cash Flow Hedging | Estimate of Fair Value Measurement
Financial Instruments Measured/Discussed at Fair Value
Derivative assets		5,163
Derivative liability		162
Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial Instruments Measured/Discussed at Fair Value
Notes Receivable, net	0	0
Total Assets	0	0
Total Liabilities	7,006,785	6,716,631
Quoted Prices in Active Markets for Identical Assets (Level 1) | Unsecured notes
Financial Instruments Measured/Discussed at Fair Value
Indebtedness	7,006,785	6,716,631
Quoted Prices in Active Markets for Identical Assets (Level 1) | Secured Debt, Commercial Paper Program and Variable Rate Unsecured Indebtedness
Financial Instruments Measured/Discussed at Fair Value
Indebtedness	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest Rate Caps | Non-designated Hedges
Financial Instruments Measured/Discussed at Fair Value
Derivative assets	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Interest Rate Swap | Cash Flow Hedging
Financial Instruments Measured/Discussed at Fair Value
Derivative assets		0
Derivative liability		0
Significant Other Observable Inputs (Level 2)
Financial Instruments Measured/Discussed at Fair Value
Notes Receivable, net	165,826	118,127
Total Assets	165,856	123,375
Total Liabilities	651,283	644,475
Significant Other Observable Inputs (Level 2) | Unsecured notes
Financial Instruments Measured/Discussed at Fair Value
Indebtedness	0	0
Significant Other Observable Inputs (Level 2) | Secured Debt, Commercial Paper Program and Variable Rate Unsecured Indebtedness
Financial Instruments Measured/Discussed at Fair Value
Indebtedness	651,283	644,313
Significant Other Observable Inputs (Level 2) | Interest Rate Caps | Non-designated Hedges
Financial Instruments Measured/Discussed at Fair Value
Derivative assets	30	85
Significant Other Observable Inputs (Level 2) | Interest Rate Swap | Cash Flow Hedging
Financial Instruments Measured/Discussed at Fair Value
Derivative assets		5,163
Derivative liability		162
Significant Unobservable Inputs (Level 3)
Financial Instruments Measured/Discussed at Fair Value
Notes Receivable, net	0	0
Total Assets	0	0
Total Liabilities	0	0
Significant Unobservable Inputs (Level 3) | Unsecured notes
Financial Instruments Measured/Discussed at Fair Value
Indebtedness	0	0
Significant Unobservable Inputs (Level 3) | Secured Debt, Commercial Paper Program and Variable Rate Unsecured Indebtedness
Financial Instruments Measured/Discussed at Fair Value
Indebtedness	0	0
Significant Unobservable Inputs (Level 3) | Interest Rate Caps | Non-designated Hedges
Financial Instruments Measured/Discussed at Fair Value
Derivative assets	$ 0	0
Significant Unobservable Inputs (Level 3) | Interest Rate Swap | Cash Flow Hedging
Financial Instruments Measured/Discussed at Fair Value
Derivative assets		0
Derivative liability		$ 0