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Investments (Unrealized Gain (Loss) On Investments) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 496,757	$ 548,333
Gross unrealized gains	43	34
Gross unrealized losses	(57,329)	(61,531)
Fair value	439,471	486,836
U.S Treasury [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	83,849	101,980
Gross unrealized losses	(11,157)	(11,723)
Fair value	72,692	90,257
Municipal [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	161,978	186,007
Gross unrealized gains		14
Gross unrealized losses	(25,622)	(30,566)
Fair value	136,356	155,455
Corporate [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	26,326	26,316
Gross unrealized losses	(3,496)	(2,077)
Fair value	22,830	24,239
Agency Mortgage-Backed & Asset-Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	152,013	163,274
Gross unrealized gains	36	19
Gross unrealized losses	(12,164)	(12,358)
Fair value	139,885	150,935
Non-Agency Mortgage & Asset-Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	72,591	70,756
Gross unrealized gains	7	1
Gross unrealized losses	(4,890)	(4,807)
Fair value	$ 67,708	$ 65,950

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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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