FAIR VALUE DISCLOSURES - Summary of Financial Assets and Liabilities Measure at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Thousands |
Sep. 30, 2016 |
Dec. 31, 2015 |
| Assets |
|
|
| Derivatives |
$ 28,522
|
$ 14,025
|
| Investment securities available-for-sale |
1,120,494
|
1,190,642
|
| Liabilities |
|
|
| Derivatives |
28,657
|
14,179
|
| Fair Value, Measurements, Recurring |
|
|
| Assets |
|
|
| Derivatives |
28,835
|
14,111
|
| Investment securities available-for-sale |
1,120,494
|
1,190,642
|
| Total |
1,149,329
|
1,204,753
|
| Liabilities |
|
|
| Derivatives |
28,756
|
14,243
|
| Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 1 |
|
|
| Assets |
|
|
| Derivatives |
0
|
0
|
| Investment securities available-for-sale |
8,905
|
8,583
|
| Total |
8,905
|
8,583
|
| Liabilities |
|
|
| Derivatives |
0
|
0
|
| Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 2 |
|
|
| Assets |
|
|
| Derivatives |
28,835
|
14,111
|
| Investment securities available-for-sale |
1,111,589
|
1,182,059
|
| Total |
1,140,424
|
1,196,170
|
| Liabilities |
|
|
| Derivatives |
28,756
|
14,243
|
| Fair Value, Measurements, Recurring | Fair Value Measurements Using Level 3 |
|
|
| Assets |
|
|
| Derivatives |
0
|
0
|
| Investment securities available-for-sale |
0
|
0
|
| Total |
0
|
0
|
| Liabilities |
|
|
| Derivatives |
$ 0
|
$ 0
|