Annual report pursuant to Section 13 and 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
Dec. 31, 2011
Dec. 31, 2010
Trust Preferred Securities Data [Line Items]    
Amortized Cost $ 342,867 $ 435,835
Fair Value 194,062 284,608
Available For Sales Securities Gross Unrealized Losses 165,080 250,259
Pooled Trust Preferred [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 268,853  
Amortized Cost 200,585  
Fair Value 73,809  
Available For Sales Securities Gross Unrealized Losses (126,776)  
Pooled Trust Preferred [Member] | Alesco II [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 41,646  
Amortized Cost 31,327  
Fair Value 9,300  
Available For Sales Securities Gross Unrealized Losses (22,027)  
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 14.00%  
Expected Defaults as Percent of Remaining Performing Collateral 17.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Alesco IV [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 21,065  
Amortized Cost 8,243  
Fair Value 362  
Available For Sales Securities Gross Unrealized Losses (7,881)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 32  
Number of Issuers Currently Remaining 42  
Actual Deferrals and Defaults as Percent of Original Collateral 16.00%  
Expected Defaults as Percent of Remaining Performing Collateral 24.00%  
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 12,210  
Available For Sales Securities Gross Unrealized Losses (7,790)  
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 13.00%  
Excess Subordination 55.00%  
Pooled Trust Preferred [Member] | I-Pre TSL II [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 32,957  
Amortized Cost 32,868  
Fair Value 22,650  
Available For Sales Securities Gross Unrealized Losses (10,218)  
Lowest Credit Rating A  
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 11.00%  
Excess Subordination 75.00%  
Pooled Trust Preferred [Member] | MM Comm II [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 7,425  
Amortized Cost 7,094  
Fair Value 4,013  
Available For Sales Securities Gross Unrealized Losses (3,081)  
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 14.00%  
Excess Subordination 33.00%  
Pooled Trust Preferred [Member] | MM Comm III [Member]
    
Trust Preferred Securities Data [Line Items]    
Lowest Credit Rating C  
Pooled Trust Preferred [Member] | Pre TSL IX [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 5,000  
Amortized Cost 3,955  
Fair Value 1,315  
Available For Sales Securities Gross Unrealized Losses (2,640)  
Number of Issuers Currently Performing 33  
Number of Issuers Currently Remaining 48  
Actual Deferrals and Defaults as Percent of Original Collateral 27.00%  
Expected Defaults as Percent of Remaining Performing Collateral 19.00%  
Excess Subordination 2.00%  
Pooled Trust Preferred [Member] | Pre TSL X [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 17,860  
Amortized Cost 9,914  
Fair Value 3,388  
Available For Sales Securities Gross Unrealized Losses (6,526)  
Lowest Credit Rating C  
Number of Issuers Currently Remaining 53  
Actual Deferrals and Defaults as Percent of Original Collateral 42.00%  
Expected Defaults as Percent of Remaining Performing Collateral 35.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Pre TSL XI [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 25,554  
Amortized Cost 22,667  
Fair Value 6,169  
Available For Sales Securities Gross Unrealized Losses (16,498)  
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 18.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Pre TSL XIII [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 28,346  
Amortized Cost 22,703  
Fair Value 6,287  
Available For Sales Securities Gross Unrealized Losses (16,416)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 40  
Number of Issuers Currently Remaining 63  
Actual Deferrals and Defaults as Percent of Original Collateral 33.00%  
Expected Defaults as Percent of Remaining Performing Collateral 26.00%  
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 265  
Available For Sales Securities Gross Unrealized Losses (6,643)  
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 23.00%  
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 770  
Available For Sales Securities Gross Unrealized Losses (3,136)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 44  
Number of Issuers Currently Remaining 66  
Actual Deferrals and Defaults as Percent of Original Collateral 23.00%  
Expected Defaults as Percent of Remaining Performing Collateral 17.00%  
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 7,080  
Available For Sales Securities Gross Unrealized Losses $ (23,920)  
Lowest Credit Rating CC  
Number of Issuers Currently Performing 23  
Number of Issuers Currently Remaining 44  
Actual Deferrals and Defaults as Percent of Original Collateral 42.00%  
Expected Defaults as Percent of Remaining Performing Collateral 36.00%  
Excess Subordination 20.00%