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10. PENSION PLANS (Tables)
12 Months Ended
Dec. 31, 2016
Retirement Plan [Member]  
Defined contribution plan schedule
   2016   2015 
Changes in plan assets:          
Fair value of plan assets, beginning  $12,567   $13,180 
Actual gain (loss)   523    (298)
Benefits paid   (667)   (315)
Company contributions        
Participant contributions        
Fair value of plan assets, ending  $12,423   $12,567 
Less: accumulated/projected benefit obligation  $18,455   $16,552 
Funded status, (underfunded)/overfunded  $(6,032)  $(3,985)
           
Amounts recognized in the consolidated balance sheets:          
Other liabilities  $(6,032)  $(3,985)
Accumulated other comprehensive loss (income)  $1,047   $(885)
           
Components of net periodic benefit costs are as follows:          
Service cost  $223   $211 
Interest cost   686    338 
Expected return on plan assets   (794)   (500)
Net periodic benefit cost  $115   $49 
Loss (gain) recognized in other comprehensive income (expense)  $1,932   $(885)
Assumptions used
Assumptions used in computation benefit obligations:        
Discount rate   4.15%    4.23% 
Expected long-term return on plan assets   6.75%    7.75% 
Rate of compensation increase        
Schedule of Expected Benefit Payments
December 31:    
     
2017  $750 
2018   780 
2019   790 
2020   820 
2021   830 
2022-26   4,860 
   $8,830 
Postretirement Plan [Member]  
Defined contribution plan schedule
   2016   2015 
Amounts at the end of the year:          
Accumulated/projected benefit obligation  $5,371   $3,619 
Fair value of plan assets        
Funded status, (underfunded)/overfunded  $(5,371)  $(3,619)
           
Amounts recognized in the consolidated balance sheets:          
Accrued liabilities  $(310)  $(214)
Other liabilities  $(5,061)  $(3,405)
Accumulated other comprehensive loss (expense)  $1,573   $(155)
           
Amounts recognized in the plan for the year:          
Company contributions  $163   $20 
Participant contributions  $22   $15 
Benefits paid  $(184)  $(35)
           
Components of net periodic benefit costs are as follows:          
Service cost  $48   $32 
Interest cost   139    65 
Net periodic benefit cost  $187   $97 
           
Loss (gain) recognized in other comprehensive income  $1,728   $(155)
           
Assumptions used in computation benefit obligations:          
Discount rate   3.95%    3.67% 
Schedule of Expected Benefit Payments
December 31:    
     
2017  $310 
2018   290 
2019   320 
2020   300 
2021   320 
2022-26   1,890 
   $3,430