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FAIR VALUE (Details 3) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Derivative Payable |  |  |  |
Reconciliation of the beginning and ending balances for major liability categories measured at fair value on a recurring basis using significant unobservable inputs (Level 3) |  |  |  |
Beginning balance | $ (3,052) |  | $ (2,634) |
Total gains or (losses) |  |  |  |
Included in earnings | (181) | [1] | (488) | [1]
Ending balance | (3,233) |  | (3,122) |
Changes in unrealized losses included in earnings relating to assets and liabilities held at end of period | 181 |  | 488 |
Corporate debt securities | Non-investment grade |  |  |  |
Reconciliation of the beginning and ending balances for major asset categories measured at fair value on a recurring basis using significant unobservable inputs (Level 3) |  |  |  |
Beginning balance | 4,800 |  | 2,235 |
Total gains or (losses) |  |  |  |
Included in earnings |  |  | (99) | [1]
Included in other comprehensive income (unrealized) | 549 | [1],[2] | 225 | [1],[2]
Settlements | (65) | [3] | (114) | [3]
Ending balance | 5,284 |  | 2,247 |
Total gains or (losses) |  |  |  |
Changes in unrealized losses included in earnings relating to assets and liabilities held at end of period |  |  | $ 99 |
[1] | Total gains or losses represent the total realized and unrealized gains and losses recorded for Level 3 assets and liabilities. Realized gains or losses are reported in the condensed consolidated statements of income.
[2] | Unrealized gains or losses on investment securities are reported in accumulated other comprehensive income (loss), net of tax, in the condensed consolidated statements of comprehensive income.
[3] | Purchases, issuances, sales, and settlements represent Level 3 assets and liabilities that were either purchased, issued, sold, or settled during the period. The amounts are recorded at their end of period fair values.

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