Annual report pursuant to Section 13 and 15(d)

OTHER COMPREHENSIVE INCOME (LOSS) (Details 1)

v3.8.0.1
OTHER COMPREHENSIVE INCOME (LOSS) (Details 1) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Activity in accumulated other comprehensive loss, net of tax      
Balance, Begining $ (26,225,000) $ (22,257,000) $ (21,509,000)
Other comprehensive loss during the period (238,000) (3,968,000) (748,000)
Balance, Ending (32,044,000) (26,225,000) (22,257,000)
Securities Available for Sale [Member]      
Activity in accumulated other comprehensive loss, net of tax      
Balance, Begining (583,000) (127,000) 59,000
Other comprehensive loss during the period (851,000) (456,000) (186,000)
Adoption of Accounting Standards Update 2018-02 (309,000)    
Balance, Ending (1,743,000) (583,000) (127,000)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]      
Activity in accumulated other comprehensive loss, net of tax      
Balance, Begining (25,642,000) (22,130,000) (21,568,000)
Other comprehensive loss during the period 613,000 (3,512,000) (562,000)
Adoption of Accounting Standards Update 2018-02 (5,272,000)    
Balance, Ending (30,301,000) (25,642,000) (22,130,000)
Accumulated Other Comprehensive Loss, Net of Taxes [Member]      
Activity in accumulated other comprehensive loss, net of tax      
Other comprehensive loss during the period (238,000) $ (3,968,000) $ (748,000)
Adoption of Accounting Standards Update 2018-02 $ (5,581,000)