LOANS AND ALLOWANCE FOR LOAN LOSSES - Activity in allowance for covered loan and lease losses by class of loan (Details 5) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Allowance for loan losses:
Beginning balance				$ 8,421
Provision		$ 2,050	$ 850	4,062	$ 2,875
Ending balance		8,469		8,469
Covered loans
Allowance for loan losses:
Beginning balance			21		21
Charge offs
Recoveries
Adjustments	[1]
Provision
Ending balance			21		21
Commercial real estate - owner occupied | Covered loans
Allowance for loan losses:
Beginning balance
Charge offs
Recoveries
Adjustments	[1]
Provision
Ending balance
Commercial Real Estate Non-owner Occupied | Covered loans
Allowance for loan losses:
Beginning balance	[2]
Charge offs	[2]
Recoveries	[2]
Adjustments	[1],[2]
Provision	[2]
Ending balance	[2]
Construction and Land Loans | Covered loans
Allowance for loan losses:
Beginning balance
Charge offs
Recoveries
Adjustments	[1]
Provision
Ending balance
Commercial loans | Covered loans
Allowance for loan losses:
Beginning balance
Charge offs
Recoveries
Adjustments	[1]
Provision
Ending balance
1-4 Family Residential | Covered loans
Allowance for loan losses:
Beginning balance	[3]		17		17
Charge offs	[3]
Recoveries	[3]
Adjustments	[1],[3]
Provision	[3]
Ending balance	[3]		17		17
Other consumer loans | Covered loans
Allowance for loan losses:
Beginning balance			4		4
Charge offs
Recoveries
Adjustments	[1]
Provision
Ending balance			4		4
Unallocated | Covered loans
Allowance for loan losses:
Beginning balance
Charge offs
Recoveries
Adjustments	[1]
Provision
Ending balance

[1] Represents the portion of increased expected losses which is covered by the loss sharing agreement with the FDIC.

[2] Includes loans secured by farmland and multi-family residential loans.

[3] Includes home equity lines of credit.