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
Jun. 30, 2013
Dec. 31, 2012
Trust Preferred Securities Data [Line Items]    
Available For Sales Securities Gross Unrealized Losses $ 146,178 $ 122,768
Pooled Trust Preferred [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 261,186 266,863
Amortized Cost 187,409 195,760
Fair Value 96,590 84,296
Available For Sales Securities Gross Unrealized Losses (90,819) (111,464)
Pooled Trust Preferred [Member] | Alesco II [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 41,647  
Amortized Cost 30,035  
Fair Value 11,686  
Available For Sales Securities Gross Unrealized Losses (18,349)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 30  
Number of Issuers Currently Remaining 35  
Actual Deferrals and Defaults as Percent of Original Collateral 11.00%  
Expected Defaults as Percent of Remaining Performing Collateral 11.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Alesco IV [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 21,735  
Amortized Cost 8,246  
Fair Value 4,621  
Available For Sales Securities Gross Unrealized Losses (3,625)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 31  
Number of Issuers Currently Remaining 37  
Actual Deferrals and Defaults as Percent of Original Collateral 9.00%  
Expected Defaults as Percent of Remaining Performing Collateral 13.00%  
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 14,520  
Available For Sales Securities Gross Unrealized Losses (5,480)  
Lowest Credit Rating BB  
Number of Issuers Currently Performing 22  
Number of Issuers Currently Remaining 23  
Actual Deferrals and Defaults as Percent of Original Collateral 3.00%  
Expected Defaults as Percent of Remaining Performing Collateral 13.00%  
Excess Subordination 50.00%  
Pooled Trust Preferred [Member] | I-Pre TSL II [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 25,783  
Amortized Cost 25,718  
Fair Value 22,210  
Available For Sales Securities Gross Unrealized Losses (3,508)  
Lowest Credit Rating A  
Number of Issuers Currently Performing 22  
Number of Issuers Currently Remaining 24  
Actual Deferrals and Defaults as Percent of Original Collateral 5.00%  
Expected Defaults as Percent of Remaining Performing Collateral 10.00%  
Excess Subordination 74.00%  
Pooled Trust Preferred [Member] | MM Comm III [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 7,162  
Amortized Cost 6,843  
Fair Value 5,086  
Available For Sales Securities Gross Unrealized Losses (1,757)  
Lowest Credit Rating B  
Number of Issuers Currently Performing 6  
Number of Issuers Currently Remaining 10  
Actual Deferrals and Defaults as Percent of Original Collateral 5.00%  
Expected Defaults as Percent of Remaining Performing Collateral 8.00%  
Excess Subordination 26.00%  
Pooled Trust Preferred [Member] | Pre TSL IX [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 5,000  
Amortized Cost 3,955  
Fair Value 1,734  
Available For Sales Securities Gross Unrealized Losses (2,221)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 30  
Number of Issuers Currently Remaining 44  
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 17,313  
Amortized Cost 8,801  
Fair Value 5,421  
Available For Sales Securities Gross Unrealized Losses (3,380)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 34  
Number of Issuers Currently Remaining 48  
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 21,336  
Fair Value 8,367  
Available For Sales Securities Gross Unrealized Losses (12,969)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 41  
Number of Issuers Currently Remaining 60  
Actual Deferrals and Defaults as Percent of Original Collateral 26.00%  
Expected Defaults as Percent of Remaining Performing Collateral 14.00%  
Excess Subordination 1.00%  
Pooled Trust Preferred [Member] | Pre TSL XIII [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 28,546  
Amortized Cost 22,041  
Fair Value 10,867  
Available For Sales Securities Gross Unrealized Losses (11,174)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 43  
Number of Issuers Currently Remaining 61  
Actual Deferrals and Defaults as Percent of Original Collateral 27.00%  
Expected Defaults as Percent of Remaining Performing Collateral 21.00%  
Excess Subordination 5.00%  
Pooled Trust Preferred [Member] | Reg Diversified [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 25,500  
Amortized Cost 6,908  
Fair Value 518  
Available For Sales Securities Gross Unrealized Losses (6,390)  
Lowest Credit Rating D  
Number of Issuers Currently Performing 23  
Number of Issuers Currently Remaining 42  
Actual Deferrals and Defaults as Percent of Original Collateral 40.00%  
Expected Defaults as Percent of Remaining Performing Collateral 13.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Soloso [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 12,500  
Amortized Cost 2,526  
Fair Value 118  
Available For Sales Securities Gross Unrealized Losses (2,408)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 37  
Number of Issuers Currently Remaining 64  
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 11,442  
Available For Sales Securities Gross Unrealized Losses $ (19,558)  
Lowest Credit Rating CC  
Number of Issuers Currently Performing 24  
Number of Issuers Currently Remaining 41  
Actual Deferrals and Defaults as Percent of Original Collateral 30.00%  
Expected Defaults as Percent of Remaining Performing Collateral 17.00%  
Excess Subordination 34.00%