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
Sep. 30, 2012
Dec. 31, 2011
Schedule of Credit Rating by Investment Security Type [Line Items]    
Amortized Cost $ 307,692 $ 342,867
Fair Value 182,059 194,062
AAA [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 24,092 1,045
AA +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 27,351 23,353
A +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 40,786 52,935
BBB +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 4,593 6,858
Less Than BBB- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 85,237 109,871
Alt-A Mortgage-backed [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Amortized Cost 29,805  
Fair Value 27,351  
Alt-A Mortgage-backed [Member] | AAA [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0  
Alt-A Mortgage-backed [Member] | AA +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 27,351  
Alt-A Mortgage-backed [Member] | A +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0  
Alt-A Mortgage-backed [Member] | BBB +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0  
Alt-A Mortgage-backed [Member] | Less Than BBB- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0  
Pooled Trust Preferred [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Amortized Cost 197,382  
Fair Value 78,926  
Pooled Trust Preferred [Member] | AAA [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0  
Pooled Trust Preferred [Member] | AA +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0  
Pooled Trust Preferred [Member] | A +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 21,053  
Pooled Trust Preferred [Member] | BBB +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0  
Pooled Trust Preferred [Member] | Less Than BBB- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 57,873  
Private label CMO [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Amortized Cost 80,505  
Fair Value 75,782 72,364
Private label CMO [Member] | AAA [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 24,092  
Private label CMO [Member] | AA +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 0  
Private label CMO [Member] | A +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 19,733  
Private label CMO [Member] | BBB +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 4,593  
Private label CMO [Member] | Less Than BBB- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value $ 27,364