Fair Value Measurements and Derivative Instruments (Available-For-Sale Securities) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Amortized cost	$ 260,145	$ 282,350
Gross unrealized gains	11	484
Gross unrealized losses	(51,890)	(8,728)
Debt securities	208,266	274,106
Government and related securities
Debt Securities, Available-for-sale [Line Items]
Amortized cost	35,744	36,160
Gross unrealized gains	11	81
Gross unrealized losses	(8,210)	(1,012)
Debt securities	27,545	35,229
Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized cost	66,300	67,906
Gross unrealized gains	0	259
Gross unrealized losses	(13,981)	(2,998)
Debt securities	52,319	65,167
Commingled fixed income securities
Debt Securities, Available-for-sale [Line Items]
Amortized cost	1,749	1,725
Gross unrealized gains	0	0
Gross unrealized losses	(229)	(33)
Debt securities	1,520	1,692
Mortgage-backed / asset-backed securities
Debt Securities, Available-for-sale [Line Items]
Amortized cost	156,352	176,559
Gross unrealized gains	0	144
Gross unrealized losses	(29,470)	(4,685)
Debt securities	$ 126,882	$ 172,018

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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