Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.8
Available-for-Sale and Other Securities (Trust Preferred) (Details 3) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Trust Preferred Securities Data [Line Items]    
Total investment securities, Unrealized Gross Losses $ 134,049 $ 122,768
Pooled Trust Preferred [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 233,639 266,863
Amortized Cost 172,735 195,760
Fair Value 91,925 84,296
Total investment securities, Unrealized Gross Losses (80,810) (111,464)
Pooled Trust Preferred [Member] | Alesco II [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 41,646  
Amortized Cost 29,830  
Fair Value 12,789  
Total investment securities, Unrealized Gross Losses (17,041)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 0  
Number of Issuers Currently Remaining 0  
Actual Deferrals and Defaults as Percent of Original Collateral 10.00%  
Expected Defaults as Percent of Remaining Performing Collateral 9.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | ICONS [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 20,000  
Amortized Cost 20,000  
Fair Value 15,192  
Total investment securities, Unrealized Gross Losses (4,808)  
Lowest Credit Rating BB  
Number of Issuers Currently Performing 0  
Number of Issuers Currently Remaining 0  
Actual Deferrals and Defaults as Percent of Original Collateral 3.00%  
Expected Defaults as Percent of Remaining Performing Collateral 13.00%  
Excess Subordination 52.00%  
Pooled Trust Preferred [Member] | I-Pre TSL II [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 20,464  
Amortized Cost 20,413  
Fair Value 18,201  
Total investment securities, Unrealized Gross Losses (2,212)  
Lowest Credit Rating A  
Number of Issuers Currently Performing 0  
Number of Issuers Currently Remaining 0  
Actual Deferrals and Defaults as Percent of Original Collateral 5.00%  
Expected Defaults as Percent of Remaining Performing Collateral 10.00%  
Excess Subordination 77.00%  
Pooled Trust Preferred [Member] | MM Comm III [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 7,162  
Amortized Cost 6,843  
Fair Value 5,229  
Total investment securities, Unrealized Gross Losses (1,614)  
Lowest Credit Rating BB  
Number of Issuers Currently Performing 0  
Number of Issuers Currently Remaining 0  
Actual Deferrals and Defaults as Percent of Original Collateral 5.00%  
Expected Defaults as Percent of Remaining Performing Collateral 9.00%  
Excess Subordination 27.00%  
Pooled Trust Preferred [Member] | Pre TSL IX [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 5,000  
Amortized Cost 3,955  
Fair Value 1,889  
Total investment securities, Unrealized Gross Losses (2,066)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 0  
Number of Issuers Currently Remaining 0  
Actual Deferrals and Defaults as Percent of Original Collateral 20.00%  
Expected Defaults as Percent of Remaining Performing Collateral 13.00%  
Excess Subordination 4.00%  
Pooled Trust Preferred [Member] | Pre TSL X [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 17,149  
Amortized Cost 8,551  
Fair Value 5,702  
Total investment securities, Unrealized Gross Losses (2,849)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 0  
Number of Issuers Currently Remaining 0  
Actual Deferrals and Defaults as Percent of Original Collateral 25.00%  
Expected Defaults as Percent of Remaining Performing Collateral 12.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Pre TSL XI [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 25,000  
Amortized Cost 21,216  
Fair Value 8,243  
Total investment securities, Unrealized Gross Losses (12,973)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 0  
Number of Issuers Currently Remaining 0  
Actual Deferrals and Defaults as Percent of Original Collateral 28.00%  
Expected Defaults as Percent of Remaining Performing Collateral 15.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Pre TSL XIII [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 28,218  
Amortized Cost 21,579  
Fair Value 11,363  
Total investment securities, Unrealized Gross Losses (10,216)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 0  
Number of Issuers Currently Remaining 0  
Actual Deferrals and Defaults as Percent of Original Collateral 28.00%  
Expected Defaults as Percent of Remaining Performing Collateral 22.00%  
Excess Subordination 4.00%  
Pooled Trust Preferred [Member] | Reg Diversified [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 25,500  
Amortized Cost 6,908  
Fair Value 561  
Total investment securities, Unrealized Gross Losses (6,347)  
Lowest Credit Rating D  
Number of Issuers Currently Performing 0  
Number of Issuers Currently Remaining 0  
Actual Deferrals and Defaults as Percent of Original Collateral 40.00%  
Expected Defaults as Percent of Remaining Performing Collateral 12.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Soloso [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 12,500  
Amortized Cost 2,440  
Fair Value 127  
Total investment securities, Unrealized Gross Losses (2,313)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 0  
Number of Issuers Currently Remaining 0  
Actual Deferrals and Defaults as Percent of Original Collateral 32.00%  
Expected Defaults as Percent of Remaining Performing Collateral 22.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Tropic III [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 31,000  
Amortized Cost 31,000  
Fair Value 12,629  
Total investment securities, Unrealized Gross Losses $ (18,371)  
Lowest Credit Rating CCC+  
Number of Issuers Currently Performing 0  
Number of Issuers Currently Remaining 0  
Actual Deferrals and Defaults as Percent of Original Collateral 29.00%  
Expected Defaults as Percent of Remaining Performing Collateral 17.00%  
Excess Subordination 38.00%