Fair Value Measurements and Derivative Instruments (Available-for-sale Securities) (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized cost	$ 202,213	$ 196,923
Gross unrealized gains	275
Gross unrealized losses	(31,259)	(38,944)
Estimated fair value	171,229	157,979
Government securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized cost	21,364	21,432
Gross unrealized gains	2
Gross unrealized losses	(5,713)	(5,688)
Estimated fair value	15,653	15,744
Corporate debt securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized cost	49,678	50,367
Gross unrealized gains	0
Gross unrealized losses	(5,909)	(8,208)
Estimated fair value	43,769	42,159
Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized cost	1,873	1,835
Gross unrealized gains	0
Gross unrealized losses	(178)	(223)
Estimated fair value	1,695	1,612
Mortgage-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized cost	109,353	114,941
Gross unrealized gains	0
Gross unrealized losses	(19,459)	(24,313)
Estimated fair value	89,894	90,628
Asset-backed securities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Amortized cost	19,945	8,348
Gross unrealized gains	273
Gross unrealized losses	0	(512)
Estimated fair value	$ 20,218	$ 7,836