Quarterly report pursuant to Section 13 or 15(d)

Available-for-Sale and Other Securities (Credit Ratings) (Details 2)

v2.4.0.6
Available-for-Sale and Other Securities (Credit Ratings) (Details 2) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Schedule of Credit Rating by Investment Security Type [Line Items]    
Amortized Cost $ 325,568 $ 342,867
Fair Value 186,820 194,062
AAA [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0 [1] 1,045 [1]
AA +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 28,460 [1] 23,353 [1]
A +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 41,394 [1] 52,935 [1]
BBB +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 5,104 [1] 6,858 [1]
Less Than BBB- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 111,862 [1] 109,871 [1]
Alt-A Mortgage-backed [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Amortized Cost 52,711  
Fair Value 46,442  
Alt-A Mortgage-backed [Member] | AAA [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0 [1]  
Alt-A Mortgage-backed [Member] | AA +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 28,460 [1]  
Alt-A Mortgage-backed [Member] | A +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0 [1]  
Alt-A Mortgage-backed [Member] | BBB +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0 [1]  
Alt-A Mortgage-backed [Member] | Less Than BBB- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 17,982 [1]  
Pooled Trust Preferred [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Amortized Cost 198,357  
Fair Value 73,233  
Pooled Trust Preferred [Member] | AAA [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0 [1]  
Pooled Trust Preferred [Member] | AA +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0 [1]  
Pooled Trust Preferred [Member] | A +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 20,819 [1]  
Pooled Trust Preferred [Member] | BBB +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0 [1]  
Pooled Trust Preferred [Member] | Less Than BBB- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 52,414 [1]  
Private label CMO [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Amortized Cost 74,500  
Fair Value 67,145  
Private label CMO [Member] | AAA [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0 [1]  
Private label CMO [Member] | AA +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0 [1]  
Private label CMO [Member] | A +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 20,575 [1]  
Private label CMO [Member] | BBB +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 5,104 [1]  
Private label CMO [Member] | Less Than BBB- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value $ 41,466 [1]  
[1]  Credit ratings reflect the lowest current rating assigned by a nationally recognized credit rating agency.