Fair Value Measurements (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable	$ 3,709,074		$ 3,709,074		$ 3,726,754
Trading securities, unrealized holding gain (loss)	1,400	$ (5,500)	3,000	$ (8,500)
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities	34,471		34,471		40,089
Available-for-sale debt securities	15,145		15,145		14,492
Interest rate derivatives	5,915		5,915		6,575
Total	55,531		55,531		61,156
Interest rate derivatives	(25)		(25)
Fair Value Inputs Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notes payable, Fair Value	3,367,758		3,367,758		3,333,378
Fair Value Inputs Level 2 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale debt securities	15,145		15,145		14,492
Interest rate derivatives	5,915		5,915		6,575
Total	21,060		21,060		21,067
Interest rate derivatives	(25)		(25)
Fair Value, Inputs, Level 1 [Member] | Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities	34,471		34,471		40,089
Total	$ 34,471		$ 34,471		$ 40,089