SENIOR NOTES PAYABLE AND OTHER DEBT - Indebtedness of Maturities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Scheduled maturities of borrowing arrangements and other provisions excluding capital lease obligations
2023	$ 173,270
2024	1,753,447
2025	2,526,562
2026	1,087,089
2027	1,366,396
Thereafter	5,500,179
Total maturities	12,406,943	$ 12,361,244
Unrestricted cash and cash equivalents	145,357	$ 122,564
Unsecured Revolving Credit Facility and Commercial Paper
Scheduled maturities of borrowing arrangements and other provisions excluding capital lease obligations
2023	0
2024	0
2025	465,210
2026	0
2027	0
Thereafter	0
Total maturities	465,210
Remaining borrowing capacity	319,900
Principal Amount Due at Maturity
Scheduled maturities of borrowing arrangements and other provisions excluding capital lease obligations
2023	133,125
2024	1,704,464
2025	2,017,550
2026	1,049,484
2027	1,329,048
Thereafter	5,347,575
Total maturities	11,581,246
Scheduled Periodic Amortization
Scheduled maturities of borrowing arrangements and other provisions excluding capital lease obligations
2023	40,145
2024	48,983
2025	43,802
2026	37,605
2027	37,348
Thereafter	152,604
Total maturities	$ 360,487

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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