Annual report pursuant to Section 13 and 15(d)

FEDERAL INCOME TAXES (Details)

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FEDERAL INCOME TAXES (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2016
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Income tax expense [Abstract]          
Current     $ 5,759 $ 5,289 $ 2,335
Deferred     2,450 942 3,291
Effect of change in enacted federal income tax rate on deferred items     2,524 0 0
Income tax expense     $ 10,733 $ 6,231 $ 5,626
Difference between financial statement tax expense (benefit) and amount computed by applying statutory federal tax rate to pretax income [Abstract]          
Statutory rate     35.00% 35.00% 35.00%
Statutory rate applied to income before taxes     $ 9,459 $ 7,764 $ 6,447
Adjust for [Abstract]          
Tax-exempt interest income     (762) (620) (529)
Bank-owned life insurance     (339) (342) (232)
Tax return credits and other adjustments $ (513)   (5) (513) 0
Effect of change in enacted federal income tax rate on deferred items     2,524 0 0
Other, net     (144) (58) (60)
Income tax expense     10,733 6,231 5,626
Valuation allowance on deferred tax assets     0 0 0
Additional expense recorded to reflect changes resulting from enactment of Tax Reform Act     2,500    
Deferred tax assets [Abstract]          
Allowance for loan losses     3,486 5,937  
Nonaccrual loan interest     346 718  
Valuation allowance on other real estate owned     708 3,714  
Unrealized loss on securities available for sale     417 799  
Other     229 176  
Gross deferred tax assets     5,186 11,344  
Valuation allowance     0 0 $ 0
Total net deferred tax assets     5,186 11,344  
Deferred tax liabilities [Abstract]          
Depreciation     (977) (1,705)  
Prepaid expenses     (183) (399)  
Unrealized gain on securities available for sale     0 0  
Other     (241) (377)  
Gross deferred tax liabilities     (1,401) (2,481)  
Net deferred tax asset     3,785 8,863  
Unrecognized tax benefits     $ 0 $ 0  
Period when unrecognized tax benefits is not expected to significantly increase or decrease     12 months    
Plan [Member]          
Difference between financial statement tax expense (benefit) and amount computed by applying statutory federal tax rate to pretax income [Abstract]          
Statutory rate   21.00%