Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
AVAILABLE-FOR-SALE AND OTHER SECURITIES - Collateralized Debt Obligation (Details)
$ in Thousands
Jan. 14, 2014
agency
Jun. 30, 2016
USD ($)
pool
Dec. 31, 2015
USD ($)
Schedule of Available-for-sale Securities [Line Items]      
Unrealized Gross Losses   $ (63,253) $ (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   7  
Number of pools of trust preferred securities included in the no-exclusive list | pool   6  
Par Value   $ 137,575 179,574
Amortized Cost   102,359 131,911
Fair Value   71,380 100,338
Unrealized Gross Losses   (30,980) $ (31,654)
Pooled Trust Preferred | ICONS      
Schedule of Available-for-sale Securities [Line Items]      
Par Value   18,912  
Amortized Cost   18,912  
Fair Value   14,997  
Unrealized Gross Losses   $ (3,915)  
Actual Deferrals and Defaults as Percent of Original Collateral   7.00%  
Expected Defaults as Percent of Remaining Performing Collateral   14.00%  
Excess Subordination   52.00%  
Pooled Trust Preferred | MM Comm III      
Schedule of Available-for-sale Securities [Line Items]      
Par Value   $ 4,633  
Amortized Cost   4,426  
Fair Value   3,524  
Unrealized Gross Losses   $ (902)  
Actual Deferrals and Defaults as Percent of Original Collateral   5.00%  
Expected Defaults as Percent of Remaining Performing Collateral   6.00%  
Excess Subordination   35.00%  
Pooled Trust Preferred | Pre TSL IX      
Schedule of Available-for-sale Securities [Line Items]      
Par Value   $ 5,000  
Amortized Cost   3,955  
Fair Value   2,995  
Unrealized Gross Losses   $ (960)  
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   19,878  
Fair Value   14,453  
Unrealized Gross Losses   $ (5,426)  
Actual Deferrals and Defaults as Percent of Original Collateral   16.00%  
Expected Defaults as Percent of Remaining Performing Collateral   8.00%  
Excess Subordination   12.00%  
Pooled Trust Preferred | Pre TSL XIII      
Schedule of Available-for-sale Securities [Line Items]      
Par Value   $ 27,530  
Amortized Cost   19,434  
Fair Value   15,687  
Unrealized Gross Losses   $ (3,748)  
Actual Deferrals and Defaults as Percent of Original Collateral   10.00%  
Expected Defaults as Percent of Remaining Performing Collateral   11.00%  
Excess Subordination   26.00%  
Pooled Trust Preferred | Reg Diversified      
Schedule of Available-for-sale Securities [Line Items]      
Par Value   $ 25,500  
Amortized Cost   4,754  
Fair Value   1,800  
Unrealized Gross Losses   $ (2,953)  
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   17,924  
Unrealized Gross Losses   $ (13,076)  
Actual Deferrals and Defaults as Percent of Original Collateral   19.00%  
Expected Defaults as Percent of Remaining Performing Collateral   7.00%  
Excess Subordination   39.00%