Fair Value of Financial Assets and Liabilities Fair Value of Financial Assets and LIabilities (Assets and Liabilities Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Financial assets:
Investment in leases, sales-type, net	$ 251,820		$ 248,421
Long-term debt:
Real estate loans, net	296,259		247,999
Proceeds from Sale and Maturity of Held-to-Maturity Securities	0	$ 549,995
Carrying Amount
Financial assets:
Cash and cash equivalents	319,004		224,314
Receivables, Fair Value Disclosure			2,557,504
Deferred compensation plan assets	50,584		46,154
Long-term debt:
Senior unsecured credit facility	1,008,961		931,624
Senior unsecured notes	7,150,000		6,350,000
Real estate loans, net	296,259		247,999
Fair Value
Financial assets:
Cash and cash equivalents	319,004		224,314
Receivables, Fair Value Disclosure	2,280,886		2,150,560
Sales Type Lease, Fair Value Disclosure	283,710		268,107
Real estate loans, Fair Value Disclosure	297,151		250,689
Deferred compensation plan assets	50,584		46,154
Long-term debt:
Senior unsecured credit facility	1,008,961		931,624
Senior unsecured notes	$ 6,981,425		$ 6,295,709

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Fair value portion 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.

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Amount of cash inflow from the sale or maturity of long-term held-to-maturity securities.

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Fair value portion of receivables, including, but not limited to, trade account receivables, note receivables, and loan receivables.

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