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Investments (Unrealized Gain (Loss) On Investments) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 548,333	$ 525,717
Gross unrealized gains	34	8,760
Gross unrealized losses	(61,531)	(4,666)
Fair value	486,836	529,811
US Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	101,980	84,896
Gross unrealized gains		88
Gross unrealized losses	(11,723)	(698)
Fair value	90,257	84,286
Municipal [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	186,007	206,501
Gross unrealized gains	14	7,148
Gross unrealized losses	(30,566)	(1,422)
Fair value	155,455	212,227
Corporate [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	26,316	24,794
Gross unrealized gains		333
Gross unrealized losses	(2,077)	(188)
Fair value	24,239	24,939
Agency mortgage & asset-backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	163,274	178,614
Gross unrealized gains	19	1,157
Gross unrealized losses	(12,358)	(2,086)
Fair value	150,935	177,685
Non-Agency mortgage & asset-backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	70,756	30,912
Gross unrealized gains	1	34
Gross unrealized losses	(4,807)	(272)
Fair value	$ 65,950	$ 30,674

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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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