Quarterly report pursuant to Section 13 or 15(d)

AVAILABLE-FOR-SALE AND OTHER SECURITIES - Collateralized Debt Obligation (Details)

v3.4.0.3
AVAILABLE-FOR-SALE AND OTHER SECURITIES - Collateralized Debt Obligation (Details)
$ in Thousands
Jan. 14, 2014
agency
Mar. 31, 2016
USD ($)
pool
Dec. 31, 2015
USD ($)
Schedule of Available-for-sale Securities [Line Items]      
Unrealized Gross Losses   $ (79,829) $ (83,651)
Pooled Trust Preferred      
Schedule of Available-for-sale Securities [Line Items]      
Number of federal agencies | agency 5    
Number of pools of trust preferred securities | pool   8  
Number of pools of trust preferred securities included in the no-exclusive list | pool   7  
Par Value   $ 179,574 179,574
Amortized Cost   131,150 131,911
Fair Value   94,330 100,338
Unrealized Gross Losses   (36,820) $ (31,654)
Pooled Trust Preferred | Alesco II      
Schedule of Available-for-sale Securities [Line Items]      
Par Value   41,646  
Amortized Cost   27,794  
Fair Value   23,447  
Unrealized Gross Losses   $ (4,347)  
Actual Deferrals and Defaults as Percent of Original Collateral   15.00%  
Expected Defaults as Percent of Remaining Performing Collateral   6.00%  
Excess Subordination   5.00%  
Pooled Trust Preferred | ICONS      
Schedule of Available-for-sale Securities [Line Items]      
Par Value   $ 19,214  
Amortized Cost   19,214  
Fair Value   15,131  
Unrealized Gross Losses   $ (4,083)  
Actual Deferrals and Defaults as Percent of Original Collateral   7.00%  
Expected Defaults as Percent of Remaining Performing Collateral   14.00%  
Excess Subordination   51.00%  
Pooled Trust Preferred | MM Comm III      
Schedule of Available-for-sale Securities [Line Items]      
Par Value   $ 4,684  
Amortized Cost   4,475  
Fair Value   3,545  
Unrealized Gross Losses   $ (930)  
Actual Deferrals and Defaults as Percent of Original Collateral   5.00%  
Expected Defaults as Percent of Remaining Performing Collateral   7.00%  
Excess Subordination   33.00%  
Pooled Trust Preferred | Pre TSL IX      
Schedule of Available-for-sale Securities [Line Items]      
Par Value   $ 5,000  
Amortized Cost   3,955  
Fair Value   2,963  
Unrealized Gross Losses   $ (992)  
Actual Deferrals and Defaults as Percent of Original Collateral   18.00%  
Expected Defaults as Percent of Remaining Performing Collateral   10.00%  
Excess Subordination   7.00%  
Pooled Trust Preferred | Pre TSL XI      
Schedule of Available-for-sale Securities [Line Items]      
Par Value   $ 25,000  
Amortized Cost   20,020  
Fair Value   14,288  
Unrealized Gross Losses   $ (5,732)  
Actual Deferrals and Defaults as Percent of Original Collateral   16.00%  
Expected Defaults as Percent of Remaining Performing Collateral   8.00%  
Excess Subordination   11.00%  
Pooled Trust Preferred | Pre TSL XIII      
Schedule of Available-for-sale Securities [Line Items]      
Par Value   $ 27,530  
Amortized Cost   19,588  
Fair Value   15,505  
Unrealized Gross Losses   $ (4,083)  
Actual Deferrals and Defaults as Percent of Original Collateral   10.00%  
Expected Defaults as Percent of Remaining Performing Collateral   11.00%  
Excess Subordination   24.00%  
Pooled Trust Preferred | Reg Diversified      
Schedule of Available-for-sale Securities [Line Items]      
Par Value   $ 25,500  
Amortized Cost   5,104  
Fair Value   1,762  
Unrealized Gross Losses   $ (3,342)  
Actual Deferrals and Defaults as Percent of Original Collateral   33.00%  
Expected Defaults as Percent of Remaining Performing Collateral   7.00%  
Excess Subordination   0.00%  
Pooled Trust Preferred | Tropic III      
Schedule of Available-for-sale Securities [Line Items]      
Par Value   $ 31,000  
Amortized Cost   31,000  
Fair Value   17,689  
Unrealized Gross Losses   $ (13,311)  
Actual Deferrals and Defaults as Percent of Original Collateral   19.00%  
Expected Defaults as Percent of Remaining Performing Collateral   8.00%  
Excess Subordination   39.00%