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Investments (Schedule Of Unrealized Loss On Investments) (Details)
Jun. 30, 2021
USD ($)
item
Dec. 31, 2020
USD ($)
item
Schedule of Available-for-sale Securities [Line Items]    
Less than 12 months: Fair Value $ 110,777,000 $ 60,918,000
Less than 12 months: Unrealized Losses $ (1,724,000) $ (405,000)
Less than 12 months: Count | item 112 67
12 months or more: Fair Value $ 18,126,000 $ 22,032,000
12 months or more: Unrealized Losses $ (161,000) $ (296,000)
12 months or more: Count | item 24 35
Fair Value $ 128,903,000 $ 82,950,000
Unrealized Losses $ (1,885,000) $ (701,000)
Count | item 136 102
U.S. Government And Agency Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Less than 12 months: Fair Value   $ 3,966,000
Less than 12 months: Unrealized Losses   $ (21,000)
Less than 12 months: Count | item   5
12 months or more: Fair Value $ 5,870,000 $ 4,185,000
12 months or more: Unrealized Losses $ (17,000) $ (19,000)
12 months or more: Count | item 7 11
Fair Value $ 5,870,000 $ 8,151,000
Unrealized Losses $ (17,000) $ (40,000)
Count | item 7 16
Municipal Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Less than 12 months: Fair Value $ 45,357,000 $ 27,022,000
Less than 12 months: Unrealized Losses $ (1,135,000) $ (219,000)
Less than 12 months: Count | item 47 28
12 months or more: Fair Value $ 1,040,000  
12 months or more: Unrealized Losses $ (11,000)  
12 months or more: Count | item 1  
Fair Value $ 46,397,000 $ 27,022,000
Unrealized Losses $ (1,146,000) $ (219,000)
Count | item 48 28
Corporate Debt Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Unrealized Losses $ (1,900,000) $ (1,200,000)
Count | item 136  
Corporate Securities    
Schedule of Available-for-sale Securities [Line Items]    
Less than 12 months: Fair Value $ 8,413,000 7,576,000
Less than 12 months: Unrealized Losses $ (87,000) $ (37,000)
Less than 12 months: Count | item 17 13
12 months or more: Fair Value $ 2,830,000 $ 3,040,000
12 months or more: Unrealized Losses $ (72,000) $ (118,000)
12 months or more: Count | item 3 4
Fair Value $ 11,243,000 $ 10,616,000
Unrealized Losses $ (159,000) $ (155,000)
Count | item 20 17
Agency Mortgage-Backed Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Less than 12 months: Fair Value $ 44,250,000 $ 18,390,000
Less than 12 months: Unrealized Losses $ (415,000) $ (101,000)
Less than 12 months: Count | item 37 17
12 months or more: Fair Value $ 1,403,000 $ 3,355,000
12 months or more: Unrealized Losses $ (5,000) $ (6,000)
12 months or more: Count | item 3 5
Fair Value $ 45,653,000 $ 21,745,000
Unrealized Losses $ (420,000) $ (107,000)
Count | item 40 22
Private-Label Mortgage-Backed Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Less than 12 months: Fair Value $ 8,239,000 $ 2,506,000
Less than 12 months: Unrealized Losses $ (60,000) $ (15,000)
Less than 12 months: Count | item 6 2
Fair Value $ 8,239,000 $ 2,506,000
Unrealized Losses $ (60,000) $ (15,000)
Count | item 6 2
Asset-Backed Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Less than 12 months: Fair Value $ 4,518,000 $ 1,458,000
Less than 12 months: Unrealized Losses $ (27,000) $ (12,000)
Less than 12 months: Count | item 5 2
12 months or more: Fair Value $ 6,983,000 $ 11,452,000
12 months or more: Unrealized Losses $ (56,000) $ (153,000)
12 months or more: Count | item 10 15
Fair Value $ 11,501,000 $ 12,910,000
Unrealized Losses $ (83,000) $ (165,000)
Count | item 15 17