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, 2012
Dec. 31, 2011
Trust Preferred Securities Data [Line Items]    
Amortized Cost $ 299,029 $ 342,867
Fair Value 181,606 194,062
Available For Sales Securities Gross Unrealized Losses 122,768 165,080
Pooled Trust Preferred [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 266,863 268,853
Amortized Cost 195,760 200,585
Fair Value 84,296 73,809
Available For Sales Securities Gross Unrealized Losses (111,464) (126,776)
Pooled Trust Preferred [Member] | Alesco II [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 41,647  
Amortized Cost 30,440  
Fair Value 10,656  
Available For Sales Securities Gross Unrealized Losses (19,784)  
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 12.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Alesco IV [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 21,522  
Amortized Cost 8,247  
Fair Value 2,821  
Available For Sales Securities Gross Unrealized Losses (5,426)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 31  
Number of Issuers Currently Remaining 39  
Actual Deferrals and Defaults as Percent of Original Collateral 12.00%  
Expected Defaults as Percent of Remaining Performing Collateral 17.00%  
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 13,186  
Available For Sales Securities Gross Unrealized Losses (6,814)  
Lowest Credit Rating BB  
Number of Issuers Currently Performing 23  
Number of Issuers Currently Remaining 24  
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 30,346  
Amortized Cost 30,268  
Fair Value 22,338  
Available For Sales Securities Gross Unrealized Losses (7,930)  
Lowest Credit Rating A  
Number of Issuers Currently Performing 23  
Number of Issuers Currently Remaining 25  
Actual Deferrals and Defaults as Percent of Original Collateral 5.00%  
Expected Defaults as Percent of Remaining Performing Collateral 13.00%  
Excess Subordination 74.00%  
Pooled Trust Preferred [Member] | MM Comm III [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 7,220  
Amortized Cost 6,898  
Fair Value 4,357  
Available For Sales Securities Gross Unrealized Losses (2,541)  
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 9.00%  
Excess Subordination 24.00%  
Pooled Trust Preferred [Member] | Pre TSL IX [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 5,000  
Amortized Cost 3,955  
Fair Value 1,533  
Available For Sales Securities Gross Unrealized Losses (2,422)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 31  
Number of Issuers Currently Remaining 46  
Actual Deferrals and Defaults as Percent of Original Collateral 22.00%  
Expected Defaults as Percent of Remaining Performing Collateral 14.00%  
Excess Subordination 6.00%  
Pooled Trust Preferred [Member] | Pre TSL X [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 17,768  
Amortized Cost 9,432  
Fair Value 5,208  
Available For Sales Securities Gross Unrealized Losses (4,224)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 34  
Number of Issuers Currently Remaining 50  
Actual Deferrals and Defaults as Percent of Original Collateral 27.00%  
Expected Defaults as Percent of Remaining Performing Collateral 14.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Pre TSL XI [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 25,428  
Amortized Cost 22,005  
Fair Value 6,998  
Available For Sales Securities Gross Unrealized Losses (15,007)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 42  
Number of Issuers Currently Remaining 62  
Actual Deferrals and Defaults as Percent of Original Collateral 29.00%  
Expected Defaults as Percent of Remaining Performing Collateral 16.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Pre TSL XIII [Member]
    
Trust Preferred Securities Data [Line Items]    
Par Value 28,932  
Amortized Cost 22,701  
Fair Value 7,152  
Available For Sales Securities Gross Unrealized Losses (15,549)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 41  
Number of Issuers Currently Remaining 63  
Actual Deferrals and Defaults as Percent of Original Collateral 34.00%  
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 380  
Available For Sales Securities Gross Unrealized Losses (6,528)  
Lowest Credit Rating D  
Number of Issuers Currently Performing 23  
Number of Issuers Currently Remaining 43  
Actual Deferrals and Defaults as Percent of Original Collateral 43.00%  
Expected Defaults as Percent of Remaining Performing Collateral 14.00%  
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 503  
Available For Sales Securities Gross Unrealized Losses (3,403)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 39  
Number of Issuers Currently Remaining 64  
Actual Deferrals and Defaults as Percent of Original Collateral 30.00%  
Expected Defaults as Percent of Remaining Performing Collateral 24.00%  
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 9,164  
Available For Sales Securities Gross Unrealized Losses $ (21,836)  
Lowest Credit Rating CC  
Number of Issuers Currently Performing 23  
Number of Issuers Currently Remaining 42  
Actual Deferrals and Defaults as Percent of Original Collateral 36.00%  
Expected Defaults as Percent of Remaining Performing Collateral 28.00%  
Excess Subordination 29.00%