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REVENUE (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Disaggregation of Revenue [Line Items]
Non-interest income	$ 29,520	$ 34,757
Non-interest income (in-scope of Topic 606)
Disaggregation of Revenue [Line Items]
Non-interest income	11,189	9,831
Non-interest income (in-scope of Topic 606) | Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
Non-interest income	5,415	4,040
Non-interest income (in-scope of Topic 606) | Insurance revenue
Disaggregation of Revenue [Line Items]
Non-interest income	3,025	3,136
Non-interest income (in-scope of Topic 606) | Wealth management fees
Disaggregation of Revenue [Line Items]
Non-interest income	2,597	2,526
Non-interest income (in-scope of Topic 606) | Interchange income
Disaggregation of Revenue [Line Items]
Non-interest income	152	129
Non-interest income (out-of-scope of Topic 606)
Disaggregation of Revenue [Line Items]
Non-interest income	$ 18,331	$ 24,926

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- Definition

The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.13)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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