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FAIR VALUE MEASUREMENT AND FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 3) - Fair Value, Measurements, Nonrecurring - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held for sale	$ 28,795	$ 29,238
Significant Other Observable Inputs (Level 2)
Fair Value, Assets Measured on a Nonrecurring Basis
Loans held for sale	28,795	29,238
Non-PCI loans | Loans Receivable
Fair Value, Assets Measured on a Nonrecurring Basis
Impaired loans	80,850	70,462
Non-PCI loans | Loans Receivable | Significant Unobservable Inputs (Level 3)
Fair Value, Assets Measured on a Nonrecurring Basis
Impaired loans	80,850	70,462
Non-PCI loans | Loans Receivable | CRE
Fair Value, Assets Measured on a Nonrecurring Basis
Impaired loans	13,147	17,252
Non-PCI loans | Loans Receivable | CRE | Significant Unobservable Inputs (Level 3)
Fair Value, Assets Measured on a Nonrecurring Basis
Impaired loans	13,147	17,252
Non-PCI loans | Loans Receivable | C&I
Fair Value, Assets Measured on a Nonrecurring Basis
Impaired loans	48,788	35,558
Non-PCI loans | Loans Receivable | C&I | Significant Unobservable Inputs (Level 3)
Fair Value, Assets Measured on a Nonrecurring Basis
Impaired loans	48,788	35,558
Non-PCI loans | Loans Receivable | Residential
Fair Value, Assets Measured on a Nonrecurring Basis
Impaired loans	17,345	16,472
Non-PCI loans | Loans Receivable | Residential | Significant Unobservable Inputs (Level 3)
Fair Value, Assets Measured on a Nonrecurring Basis
Impaired loans	17,345	16,472
Non-PCI loans | Loans Receivable | Consumer
Fair Value, Assets Measured on a Nonrecurring Basis
Impaired loans	1,570	1,180
Non-PCI loans | Loans Receivable | Consumer | Significant Unobservable Inputs (Level 3)
Fair Value, Assets Measured on a Nonrecurring Basis
Impaired loans	1,570	1,180
OREO
Fair Value, Assets Measured on a Nonrecurring Basis
OREO	3,490	4,929
OREO | Significant Unobservable Inputs (Level 3)
Fair Value, Assets Measured on a Nonrecurring Basis
OREO	$ 3,490	$ 4,929

X

- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

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- Definition

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+ References

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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Glossary Loan
-URI http://asc.fasb.org/extlink&oid=6517073

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