| **DERIVATIVE FINANCIAL INSTRUMENTS (Details) (USD $)In Thousands, unless otherwise specified**                              | 12 Months Ended |         |         |        |        |         |        |         |         |        |        |         |         |        |        |         |        |        |        |        |        |        |        |        |        | 12 Months Ended |
|-----------------------------------------------------------------------------------------------------------------------------|-----------------|---------|---------|--------|--------|---------|--------|---------|---------|--------|--------|---------|---------|--------|--------|---------|--------|--------|--------|--------|--------|--------|--------|--------|--------|-----------------|
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| **Derivative [Line Items]**                                                                                                 |            |    |    |   |   |    |   |    |    |   |   |    |    |   |   |    |   |   |   |   |   |   |   |   |   |            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimate of Time to Transfer           |            |    |    |   |   |    |   |    |    |   |   |    |    |   |   |    |   |   |   |   |   |   |   |   |   |            |   |   |   |   |   |   | 12 months | 12 months |   |   |   |   |   |   |   |   |   |   |   |
| Asset Derivatives                                                                                                           |            | $ 7,953 | $ 4,693 |   |   |    |   | $ 7,167 | $ 4,693 |   |   | $ 4,978 | $ 4,693 |   |   | $ 2,189 | $ 0    |   |   | $ 786  | $ 0    |   |   |   |   | $ 786           | $ 0 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Liability Derivatives                                                                                                       |            |    |    | 13,044 | 18,518 |    |   |    |    | 12,991 | 18,518 |    |    | 6,170  | 13,460 |    |   | 6,821  | 5,058  |   |   | 53     | 0      | 53     | 0      |            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Derivative, Notional Amount                                                                                                 |            |    |    |   |   | 544,000 | 87,000 |    |    |   |   |    |    |   |   |    |   |   |   |   |   |   |   |   |   |            |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |   |
| Gain (loss) recognized in other comprehensive income (loss) (effective portion)                                             | (309)           |    |    |   |   |    |   |    |    |   |   |    |    |   |   |    |   |   |   |   |   |   |   |   |   |            |   |   |   |   |   |   |   |   |   | (1,116) | (9,218) | 4,763 | (7,535) | (5,879) | (1,683) |   |   |   |   |
| (Loss) Gain Reclassified from AOCI into (Expense) Income (Effective Portion)                                                |            |    |    |   |   |    |   |    |    |   |   |    |    |   |   |    |   |   |   |   |   |   |   |   |   |            |   |   |   |   |   |   |   |   |   | (7,366) | 8,004 |   |   |   |   | (6,305) | (4,532) | (1,061) | 12,536 |
| Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred |            |    |    |   |   |    |   |    |    |   |   |    |    |   |   |    |   |   |   |   |   |   |   |   |   |            |   |   |   |   |   | (5,706) |   |   | 4,490 |   |   |   |   |   |   |   |   |   |   |
| Gain (Loss) Recognized in Income                                                                                            |            |    |    |   |   |    |   |    |    |   |   |    |    |   |   |    |   |   |   |   |   |   |   |   |   |            |   | $ 150 | $ 1,211 | $ (1,435) | $ 157 |   |   |   |   |   |   |   |   |   |   |   |   |   |   |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair value before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226000-175313Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair value before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226000-175313Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The estimated value of gains (losses), net anticipated to be transferred in the future from accumulated other comprehensive income into earnings.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Estimated period for the anticipated transfer of gain (loss), net, from accumulated other comprehensive income into earnings, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The effective portion of loss reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.
+ References
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