Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.6
Available-for-Sale and Other Securities (Trust Preferred) (Details 3) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Trust Preferred Securities Data [Line Items]    
Amortized Cost $ 325,568 $ 342,867
Fair Value 186,820 194,062
Available For Sales Securities Gross Unrealized Losses 146,338 165,080
Pooled Trust Preferred [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 268,061  
Amortized Cost 198,357  
Fair Value 73,233  
Available For Sales Securities Gross Unrealized Losses (125,124)  
Pooled Trust Preferred [Member] | Alesco II [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 41,646  
Amortized Cost 30,876  
Fair Value 9,291  
Available For Sales Securities Gross Unrealized Losses (21,585)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 31  
Number of Issuers Currently Remaining 36  
Actual Deferrals and Defaults as Percent of Original Collateral 11.00%  
Expected Defaults as Percent of Remaining Performing Collateral 16.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Alesco IV [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 21,293  
Amortized Cost 8,243  
Fair Value 388  
Available For Sales Securities Gross Unrealized Losses (7,855)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 30  
Number of Issuers Currently Remaining 42  
Actual Deferrals and Defaults as Percent of Original Collateral 19.00%  
Expected Defaults as Percent of Remaining Performing Collateral 25.00%  
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 11,842  
Available For Sales Securities Gross Unrealized Losses (8,158)  
Lowest Credit Rating BB  
Number of Issuers Currently Performing 25  
Number of Issuers Currently Remaining 26  
Actual Deferrals and Defaults as Percent of Original Collateral 3.00%  
Expected Defaults as Percent of Remaining Performing Collateral 15.00%  
Excess Subordination 52.00%  
Pooled Trust Preferred [Member] | I-Pre TSL II [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 31,262  
Amortized Cost 31,179  
Fair Value 20,818  
Available For Sales Securities Gross Unrealized Losses (10,361)  
Lowest Credit Rating A  
Number of Issuers Currently Performing 24  
Number of Issuers Currently Remaining 25  
Actual Deferrals and Defaults as Percent of Original Collateral 3.00%  
Expected Defaults as Percent of Remaining Performing Collateral 13.00%  
Excess Subordination 73.00%  
Pooled Trust Preferred [Member] | MM Comm III [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 7,402  
Amortized Cost 7,072  
Fair Value 3,767  
Available For Sales Securities Gross Unrealized Losses (3,305)  
Lowest Credit Rating CC  
Number of Issuers Currently Performing 5  
Number of Issuers Currently Remaining 10  
Actual Deferrals and Defaults as Percent of Original Collateral 7.00%  
Expected Defaults as Percent of Remaining Performing Collateral 13.00%  
Excess Subordination 33.00%  
Pooled Trust Preferred [Member] | Pre TSL IX [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 5,000  
Amortized Cost 3,955  
Fair Value 1,278  
Available For Sales Securities Gross Unrealized Losses (2,677)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 33  
Number of Issuers Currently Remaining 48  
Actual Deferrals and Defaults as Percent of Original Collateral 26.00%  
Expected Defaults as Percent of Remaining Performing Collateral 14.00%  
Excess Subordination 7.00%  
Pooled Trust Preferred [Member] | Pre TSL X [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 18,058  
Amortized Cost 9,915  
Fair Value 4,536  
Available For Sales Securities Gross Unrealized Losses (5,379)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 34  
Number of Issuers Currently Remaining 53  
Actual Deferrals and Defaults as Percent of Original Collateral 39.00%  
Expected Defaults as Percent of Remaining Performing Collateral 20.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Pre TSL XI [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 25,758  
Amortized Cost 22,600  
Fair Value 6,107  
Available For Sales Securities Gross Unrealized Losses (16,493)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 42  
Number of Issuers Currently Remaining 63  
Actual Deferrals and Defaults as Percent of Original Collateral 29.00%  
Expected Defaults as Percent of Remaining Performing Collateral 19.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Pre TSL XIII [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 28,642  
Amortized Cost 22,703  
Fair Value 6,135  
Available For Sales Securities Gross Unrealized Losses (16,568)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 39  
Number of Issuers Currently Remaining 63  
Actual Deferrals and Defaults as Percent of Original Collateral 37.00%  
Expected Defaults as Percent of Remaining Performing Collateral 32.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Reg Diversified [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 25,500  
Amortized Cost 6,908  
Fair Value 301  
Available For Sales Securities Gross Unrealized Losses (6,607)  
Lowest Credit Rating D  
Number of Issuers Currently Performing 23  
Number of Issuers Currently Remaining 44  
Actual Deferrals and Defaults as Percent of Original Collateral 46.00%  
Expected Defaults as Percent of Remaining Performing Collateral 20.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Soloso [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 12,500  
Amortized Cost 3,906  
Fair Value 691  
Available For Sales Securities Gross Unrealized Losses (3,215)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 41  
Number of Issuers Currently Remaining 65  
Actual Deferrals and Defaults as Percent of Original Collateral 29.00%  
Expected Defaults as Percent of Remaining Performing Collateral 18.00%  
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 8,079  
Available For Sales Securities Gross Unrealized Losses $ (22,921)  
Lowest Credit Rating CC  
Number of Issuers Currently Performing 23  
Number of Issuers Currently Remaining 43  
Actual Deferrals and Defaults as Percent of Original Collateral 39.00%  
Expected Defaults as Percent of Remaining Performing Collateral 27.00%  
Excess Subordination 32.00%