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
Sep. 30, 2012
Dec. 31, 2011
Trust Preferred Securities Data [Line Items]    
Amortized Cost $ 307,692 $ 342,867
Fair Value 182,059 194,062
Available For Sales Securities Gross Unrealized Losses 127,731 165,080
Pooled Trust Preferred [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 267,805  
Amortized Cost 197,382  
Fair Value 78,926  
Available For Sales Securities Gross Unrealized Losses (118,456)  
Pooled Trust Preferred [Member] | Alesco II [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 41,645  
Amortized Cost 30,653  
Fair Value 9,486  
Available For Sales Securities Gross Unrealized Losses (21,167)  
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 1100.00%  
Expected Defaults as Percent of Remaining Performing Collateral 1500.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Alesco IV [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 21,407  
Amortized Cost 8,242  
Fair Value 471  
Available For Sales Securities Gross Unrealized Losses (7,771)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 29  
Number of Issuers Currently Remaining 40  
Actual Deferrals and Defaults as Percent of Original Collateral 1800.00%  
Expected Defaults as Percent of Remaining Performing Collateral 2400.00%  
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 12,440  
Available For Sales Securities Gross Unrealized Losses (7,560)  
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 300.00%  
Expected Defaults as Percent of Remaining Performing Collateral 1400.00%  
Excess Subordination 4500.00%  
Pooled Trust Preferred [Member] | I-Pre TSL II [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 30,803  
Amortized Cost 30,723  
Fair Value 21,053  
Available For Sales Securities Gross Unrealized Losses (9,670)  
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 500.00%  
Expected Defaults as Percent of Remaining Performing Collateral 1300.00%  
Excess Subordination 7400.00%  
Pooled Trust Preferred [Member] | MM Comm III [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 7,402  
Amortized Cost 7,072  
Fair Value 3,878  
Available For Sales Securities Gross Unrealized Losses (3,194)  
Lowest Credit Rating B  
Number of Issuers Currently Performing 5  
Number of Issuers Currently Remaining 10  
Actual Deferrals and Defaults as Percent of Original Collateral 700.00%  
Expected Defaults as Percent of Remaining Performing Collateral 1300.00%  
Excess Subordination 3200.00%  
Pooled Trust Preferred [Member] | Pre TSL IX [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 5,000  
Amortized Cost 3,955  
Fair Value 1,351  
Available For Sales Securities Gross Unrealized Losses (2,604)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 32  
Number of Issuers Currently Remaining 47  
Actual Deferrals and Defaults as Percent of Original Collateral 2200.00%  
Expected Defaults as Percent of Remaining Performing Collateral 1300.00%  
Excess Subordination 500.00%  
Pooled Trust Preferred [Member] | Pre TSL X [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 18,157  
Amortized Cost 9,914  
Fair Value 4,979  
Available For Sales Securities Gross Unrealized Losses (4,935)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 34  
Number of Issuers Currently Remaining 51  
Actual Deferrals and Defaults as Percent of Original Collateral 3100.00%  
Expected Defaults as Percent of Remaining Performing Collateral 1700.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Pre TSL XI [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 25,601  
Amortized Cost 22,307  
Fair Value 7,923  
Available For Sales Securities Gross Unrealized Losses (14,384)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 41  
Number of Issuers Currently Remaining 62  
Actual Deferrals and Defaults as Percent of Original Collateral 2900.00%  
Expected Defaults as Percent of Remaining Performing Collateral 1700.00%  
Excess Subordination 0.00%  
Pooled Trust Preferred [Member] | Pre TSL XIII [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 28,790  
Amortized Cost 22,702  
Fair Value 7,566  
Available For Sales Securities Gross Unrealized Losses (15,136)  
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 3500.00%  
Expected Defaults as Percent of Remaining Performing Collateral 2800.00%  
Excess Subordination 100.00%  
Pooled Trust Preferred [Member] | Reg Diversified [Member]
   
Trust Preferred Securities Data [Line Items]    
Par Value 25,500  
Amortized Cost 6,908  
Fair Value 365  
Available For Sales Securities Gross Unrealized Losses (6,543)  
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 4600.00%  
Expected Defaults as Percent of Remaining Performing Collateral 2000.00%  
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 554  
Available For Sales Securities Gross Unrealized Losses (3,352)  
Lowest Credit Rating C  
Number of Issuers Currently Performing 40  
Number of Issuers Currently Remaining 65  
Actual Deferrals and Defaults as Percent of Original Collateral 3000.00%  
Expected Defaults as Percent of Remaining Performing Collateral 2000.00%  
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 8,860  
Available For Sales Securities Gross Unrealized Losses $ (22,140)  
Lowest Credit Rating CC  
Number of Issuers Currently Performing 24  
Number of Issuers Currently Remaining 43  
Actual Deferrals and Defaults as Percent of Original Collateral 3600.00%  
Expected Defaults as Percent of Remaining Performing Collateral 2500.00%  
Excess Subordination 2700.00%