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STOCKHOLDERS' EQUITY AND EARNINGS PER SHARE (Details 6) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Mar. 31, 2014 | Mar. 31, 2013
Unrealized gain on investment securities available-for-sale: |  |
Unrealized gains on holding gains arising during period, before-tax amount | $ 26,590 | $ 8,174
Less: reclassification adjustment for losses/(gains) included in income, before-tax amount | (3,418) | (5,577)
Net unrealized gain, before-tax amount | 23,172 | 2,597
Unrealized gain (loss) on other asset investment, before-tax amount | (29) | 17
Other comprehensive income, before-tax amount | 23,143 | 2,614
Unrealized gain on investment securities available-for-sale: |  |
Unrealized gains on holding gains arising during period, tax (expense) or benefit | (11,168) | (3,433)
Less: reclassification adjustment for losses/(gains) included in income, tax (expense) or benefit | 1,435 | 2,342
Net unrealized gain, tax (expense) or benefit | (9,733) | (1,091)
Unrealized gain (loss) on other asset investment, tax (expense) or benefit | 12 | (7)
Other comprehensive income, tax (expense) or benefit | (9,721) | (1,098)
Unrealized gain on investment securities available-for-sale: |  |
Unrealized gains on holding gains arising during period, net of tax amount | 15,422 | 4,741
Less: reclassification adjustment for losses/(gains) included in income | (1,983) | (3,235)
Net unrealized gain, net of tax amount | 13,439 | 1,506
Unrealized gain (loss) on other asset investment, net of tax amount | (17) | 10
Other comprehensive income | $ 13,422 | $ 1,516

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