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COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands		12 Months Ended
	Mar. 23, 2016 USD ($)	Dec. 31, 2016 USD ($)	Mar. 26, 2016 USD ($) Proceeding Party	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2014 USD ($)
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Contingent obligations		$ 14,200
Settled Litigation
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Contingent obligations						$ 4,300
Claims settled and dismissed | Proceeding			2
Number of party | Party			2
Litigation settlement amount			$ 12,100
Insurance proceeds			$ 7,900
Pending Litigation
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Contingent obligations				$ 1,200
Loss Contingency, Damages Sought	$ 4,000
Minimum
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments period to make fixed-rate commercial draw notes		3 months
Minimum | Fixed Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Interest rate on fixed-rate commitments to make loans		2.75%
Maturity period of fixed-rate commitments to make loans		5 years
Interest rate on fixed-rate commitments to make commercial draw notes (in hundredths)		4.05%
Maximum
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Commitments period to make real estate and home equity loans		60 days
Commitments period to make fixed-rate commercial draw notes		24 months
Off-balance sheet financial instruments, standard term		12 months
Maximum | Fixed Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Interest rate on fixed-rate commitments to make loans		5.25%
Maturity period of fixed-rate commitments to make loans		30 years
Interest rate on fixed-rate commitments to make commercial draw notes (in hundredths)		4.70%
Commitments to make loans | Fixed Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Contractual amounts of financial instruments with off-balance sheet risk		$ 38,246			$ 17,167
Commitments to make loans | Variable Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Contractual amounts of financial instruments with off-balance sheet risk		33,189			25,251
Unused lines of credit | Fixed Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Contractual amounts of financial instruments with off-balance sheet risk		610			1,265
Unused lines of credit | Variable Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Contractual amounts of financial instruments with off-balance sheet risk		208,124			177,004
Standby letters of credit | Fixed Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Contractual amounts of financial instruments with off-balance sheet risk		0			0
Standby letters of credit | Variable Rate
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Contractual amounts of financial instruments with off-balance sheet risk		$ 14,241			$ 14,646

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