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PREMISES AND EQUIPMENT (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Premises and equipment
Premises and equipment, gross	$ 142,659	$ 128,587
Accumulated depreciation and amortization	(49,444)	(40,515)
Premises and equipment, net	93,215	88,072
Depreciation and amortization expense	8,393	8,594	$ 8,292
Land
Premises and equipment
Premises and equipment, gross	10,563	10,719
Buildings and improvements
Premises and equipment
Premises and equipment, gross	$ 85,319	81,058
Buildings and improvements | Minimum
Premises and equipment
Estimated Useful Life	5 years
Buildings and improvements | Maximum
Premises and equipment
Estimated Useful Life	39 years
Furniture and equipment
Premises and equipment
Premises and equipment, gross	$ 42,693	34,950
Furniture and equipment | Minimum
Premises and equipment
Estimated Useful Life	3 years
Furniture and equipment | Maximum
Premises and equipment
Estimated Useful Life	7 years
Construction in process
Premises and equipment
Premises and equipment, gross	$ 4,084	$ 1,860

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.14)
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- Definition

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+ References

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-Paragraph 1
-Subparagraph (a)
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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Topic 210
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-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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