INCOME TAXES (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of year	$ 2,743us-gaap_UnrecognizedTaxBenefits	$ 2,514us-gaap_UnrecognizedTaxBenefits	$ 2,333us-gaap_UnrecognizedTaxBenefits
Additions for acquired subsidiaries	0	267	0
Additions for tax positions related to current year	182	0	0
Additions for tax positions of prior years	430	150	235
Reductions for tax positions of prior years	(393)	0	0
Reductions for tax positions related to the current year	0	(57)	0
Reductions due to lapse of applicable statues of limitations	(620)	(131)	(54)
Balance at end of year	$ 2,342us-gaap_UnrecognizedTaxBenefits	$ 2,743us-gaap_UnrecognizedTaxBenefits	$ 2,514us-gaap_UnrecognizedTaxBenefits

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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