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Investments (Unrealized Gain (Loss) On Investments) (Details) - USD ($) | Jun. 30, 2021 | Dec. 31, 2020
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Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | $ 502,645,000 | $ 384,369,000
Gross unrealized gains | 11,487,000 | 13,272,000
Gross unrealized losses | (1,885,000) | (701,000)
Fair Value | 512,247,000 | 396,940,000
U.S. Government And Agency Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 79,377,000 | 12,594,000
Gross unrealized gains | 358,000 | 20,000
Gross unrealized losses | (17,000) | (40,000)
Fair Value | 79,718,000 | 12,574,000
Municipal Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 219,690,000 | 236,253,000
Gross unrealized gains | 8,724,000 | 11,020,000
Gross unrealized losses | (1,146,000) | (219,000)
Fair Value | 227,268,000 | 247,054,000
Corporate Securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 24,275,000 | 20,421,000
Gross unrealized gains | 295,000 | 22,000
Gross unrealized losses | (159,000) | (155,000)
Fair Value | 24,411,000 | 20,288,000
Agency Mortgage-Backed Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 115,849,000 | 70,443,000
Gross unrealized gains | 1,694,000 | 1,905,000
Gross unrealized losses | (420,000) | (107,000)
Fair Value | 117,123,000 | 72,241,000
Private-Label Mortgage-Backed Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 20,087,000 | 8,412,000
Gross unrealized gains | 35,000 | 56,000
Gross unrealized losses | (60,000) | (15,000)
Fair Value | 20,062,000 | 8,453,000
Asset-Backed Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 43,367,000 | 36,246,000
Gross unrealized gains | 381,000 | 249,000
Gross unrealized losses | (83,000) | (165,000)
Fair Value | $ 43,665,000 | $ 36,330,000

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- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 + Details
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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References No definition available. + Details
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