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Investments (Schedule of Unrealized Loss on Investments) (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Schedule of Investments [Line Items]    
Fair Value $ 18,519 $ 20,550
Unrealized Losses (212) (313)
Number 23 23
Fair Value 17,342 11,550
Unrealized Losses (1,727) (2,153)
Number 45 35
Fair Value 35,861 32,100
Unrealized Losses (1,939) (2,466)
Number 68 58
Equity securities [Member]
   
Schedule of Investments [Line Items]    
Fair Value 242 394
Unrealized Losses (3) (111)
Number 3 3
Fair Value 1,247 864
Unrealized Losses (225) (246)
Number 13 13
Fair Value 1,489 1,258
Unrealized Losses (228) (357)
Number 16 16
U.S. Government agency securities [Member]
   
Schedule of Investments [Line Items]    
Fair Value 5,297 6,068
Unrealized Losses (12) (3)
Number 5 5
Fair Value 1,235 1,321
Unrealized Losses (2) (2)
Number 4 5
Fair Value 6,532 7,389
Unrealized Losses (14) (5)
Number 9 10
Municipal securities [Member]
   
Schedule of Investments [Line Items]    
Fair Value 7,550 579
Unrealized Losses (122) (7)
Number 8 1
Fair Value 7,550 579
Unrealized Losses (122) (7)
Number 8 1
Corporate debt securities [Member]
   
Schedule of Investments [Line Items]    
Fair Value 985 1,889
Unrealized Losses (21) (119)
Number 1 2
Fair Value 985 1,889
Unrealized Losses (21) (119)
Number 1 2
Trust preferred securities [Member]
   
Schedule of Investments [Line Items]    
Fair Value 4,701 4,618
Unrealized Losses (1,200) (1,272)
Number 7 7
Fair Value 4,701 4,618
Unrealized Losses (1,200) (1,272)
Number 7 7
Agency mortgage-backed securities [Member]
   
Schedule of Investments [Line Items]    
Fair Value 5,430 12,452
Unrealized Losses (75) (156)
Number 7 12
Fair Value 6,616 1,174
Unrealized Losses (66) (32)
Number 11 1
Fair Value 12,046 13,626
Unrealized Losses (141) (188)
Number 18 13
Private-label mortgage-backed securities [Member]
   
Schedule of Investments [Line Items]    
Fair Value   1,057
Unrealized Losses   (36)
Number   2
Fair Value 2,509 1,636
Unrealized Losses (201) (464)
Number 6 4
Fair Value 2,509 2,693
Unrealized Losses (201) (500)
Number 6 6
Asset-backed securities [Member]
   
Schedule of Investments [Line Items]    
Fair Value 49 48
Unrealized Losses (12) (18)
Number 3 3
Fair Value 49 48
Unrealized Losses $ (12) $ (18)
Number 3 3