Investments (Unrealized Gain (Loss) On Investments) (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 510,036	$ 548,333
Gross unrealized gains	96	34
Gross unrealized losses	(52,365)	(61,531)
Fair value	457,767	486,836
U.S Treasury [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	84,025	101,980
Gross unrealized losses	(9,762)	(11,723)
Fair value	74,263	90,257
Municipal [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	170,095	186,007
Gross unrealized gains		14
Gross unrealized losses	(24,590)	(30,566)
Fair value	145,505	155,455
Corporate [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	26,381	26,316
Gross unrealized losses	(2,382)	(2,077)
Fair value	23,999	24,239
Agency Mortgage-Backed & Asset-Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	156,934	163,274
Gross unrealized gains	68	19
Gross unrealized losses	(10,910)	(12,358)
Fair value	146,092	150,935
Non-Agency Mortgage & Asset-Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	72,601	70,756
Gross unrealized gains	28	1
Gross unrealized losses	(4,721)	(4,807)
Fair value	$ 67,908	$ 65,950

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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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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