Financial Instruments (Schedule Interest Rate for Borrowings) (Details) - Line of Credit	12 Months Ended
	Dec. 31, 2024
Debt Instrument [Line Items]
Basis spread on variable rate	4.09%
Unsecured Debt
Debt Instrument [Line Items]
Leverage ratio	0.88
Basis spread on variable rate	1.50%
Less than 1.00:1.00 | Unsecured Debt
Debt Instrument [Line Items]
Commitment fee	0.275%
Less than 1.00:1.00 | Unsecured Debt | Maximum
Debt Instrument [Line Items]
Leverage ratio	1.00
Greater than or equal to 1.00:1.00 and less than 2.00:1.00 | Unsecured Debt
Debt Instrument [Line Items]
Commitment fee	0.30%
Greater than or equal to 1.00:1.00 and less than 2.00:1.00 | Unsecured Debt | Maximum
Debt Instrument [Line Items]
Leverage ratio	2.00
Greater than or equal to 1.00:1.00 and less than 2.00:1.00 | Unsecured Debt | Minimum
Debt Instrument [Line Items]
Leverage ratio	1.00
Greater than or equal to 2.00:1.00 and less than 3.00:1.00 | Unsecured Debt
Debt Instrument [Line Items]
Commitment fee	0.325%
Greater than or equal to 2.00:1.00 and less than 3.00:1.00 | Unsecured Debt | Maximum
Debt Instrument [Line Items]
Leverage ratio	3.00
Greater than or equal to 2.00:1.00 and less than 3.00:1.00 | Unsecured Debt | Minimum
Debt Instrument [Line Items]
Leverage ratio	2.00
Greater than or equal to 3.00:1.00 | Unsecured Debt
Debt Instrument [Line Items]
Commitment fee	0.35%
Greater than or equal to 3.00:1.00 | Unsecured Debt | Minimum
Debt Instrument [Line Items]
Leverage ratio	3.00
Base Rate | Less than 1.00:1.00 | Unsecured Debt
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
Base Rate | Greater than or equal to 1.00:1.00 and less than 2.00:1.00 | Unsecured Debt
Debt Instrument [Line Items]
Basis spread on variable rate	0.625%
Base Rate | Greater than or equal to 2.00:1.00 and less than 3.00:1.00 | Unsecured Debt
Debt Instrument [Line Items]
Basis spread on variable rate	0.75%
Base Rate | Greater than or equal to 3.00:1.00 | Unsecured Debt
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
SOFR | Less than 1.00:1.00 | Unsecured Debt
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
SOFR | Greater than or equal to 1.00:1.00 and less than 2.00:1.00 | Unsecured Debt
Debt Instrument [Line Items]
Basis spread on variable rate	1.625%
SOFR | Greater than or equal to 2.00:1.00 and less than 3.00:1.00 | Unsecured Debt
Debt Instrument [Line Items]
Basis spread on variable rate	1.75%
SOFR | Greater than or equal to 3.00:1.00 | Unsecured Debt
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%