Fair Value Measurements and Derivative Instruments (Carrying Value and Fair Value of Investments) (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value	$ 24,273	$ 22,788
Fair value	23,921	22,461
Government securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value	19,865	20,308
Fair value	19,787	20,219
Other
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Carrying value	4,408	2,480
Fair value	$ 4,134	$ 2,242