INCOME TAX - Deferred tax asset (liability) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Assets
Allowance for loan losses	$ 8,173	$ 8,425
State net operating loss carryforward	3,543	3,708
Credit carryforwards	8,401	9,953
OREO write-downs	514	559
Other	3,206	3,476
Total assets	23,837	26,121
Liabilities
Depreciation	(6,864)	(3,736)
Mortgage servicing rights	(2,209)	(2,044)
Unrealized gain on securities AFS	(6,798)	(7,065)
Intangibles	(3,301)	(3,152)
Deferred loan fees/costs	(1,901)	(1,691)
Other	(1,902)	(2,141)
Total liabilities	(22,975)	(19,829)
Less: Valuation allowance	(3,091)	(3,281)
Net deferred tax asset		3,011
Net deferred tax asset/(liability)	(2,229)
Indiana state operating loss carryforwards	111,226
Amount for which no deferred income tax liability is recognized	13,112
Deferred income tax liability recognized	0
Unrecorded deferred income tax liability	4,589
Interest and penalties recorded in the income statement	0	0
Amount accrued for interest and penalties	0	$ 0
Alternative minimum tax credit carryforwards
Liabilities
Tax credit carryforwards	2,729
General business credit carryforwards
Liabilities
Tax credit carryforwards	$ 5,672