Quarterly report pursuant to Section 13 or 15(d)

Available-for-Sale and Other Securities (Details 3)

v2.3.0.15
Available-for-Sale and Other Securities (Details 3) (USD $)
In Thousands
Sep. 30, 2011
Dec. 31, 2010
Schedule of Credit Rating by Investment Security Type [Line Items]    
Amortized Cost $ 378,354 $ 435,835
Fair Value 231,919 284,608
Alt-A Mortgage-backed [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Amortized Cost 59,534  
Fair Value 51,578  
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 24,446 [1]  
Alt-A Mortgage-backed [Member] | A +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 9,310 [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 17,822 [1]  
Pooled Trust Preferred [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Amortized Cost 228,411  
Fair Value 101,441  
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 25,373 [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 76,068 [1]  
Private label CMO [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Amortized Cost 90,409  
Fair Value 78,900  
Private label CMO [Member] | AAA [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 1,698 [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 24,068 [1]  
Private label CMO [Member] | BBB +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 7,758 [1]  
Private label CMO [Member] | Less Than BBB- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 45,376 [1]  
AAA [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 1,698 [1] 41,238 [1]
AA +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 24,446 [1] 33,880 [1]
A +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 58,751 [1] 29,691 [1]
BBB +/- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value 7,758 [1] 15,145 [1]
Less Than BBB- [Member]
    
Schedule of Credit Rating by Investment Security Type [Line Items]    
Fair Value $ 139,266 [1] $ 164,654 [1]
[1]  Credit ratings reflect the lowest current rating assigned by a nationally recognized credit rating agency.