Investments (Unrealized Gain (Loss) On Investments) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 525,717	$ 384,369
Gross unrealized gains	8,760	13,272
Gross unrealized losses	(4,666)	(701)
Fair value	529,811	396,940
U.S. Government And Agency [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	94,360	12,594
Gross unrealized gains	115	20
Gross unrealized losses	(715)	(40)
Fair value	93,760	12,574
Municipal [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	206,501	236,253
Gross unrealized gains	7,148	11,020
Gross unrealized losses	(1,422)	(219)
Fair value	212,227	247,054
Corporate [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	24,794	20,421
Gross unrealized gains	333	22
Gross unrealized losses	(188)	(155)
Fair value	24,939	20,288
Agency Mortgage-Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	123,686	70,443
Gross unrealized gains	877	1,905
Gross unrealized losses	(1,894)	(107)
Fair value	122,669	72,241
Non-Agency Mortgage-Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	30,904	8,412
Gross unrealized gains	34	56
Gross unrealized losses	(272)	(15)
Fair value	30,666	8,453
Asset-Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	45,472	36,246
Gross unrealized gains	253	249
Gross unrealized losses	(175)	(165)
Fair value	$ 45,550	$ 36,330

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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