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PENSION PLAN (Tables)
 12 Months Ended
Dec. 31, 2018
PENSION PLAN [Abstract]  
Plan's Funded Status
The following table sets forth the plan's funded status and amounts recognized in the consolidated financial statements:

  
Year Ended December 31,
 
  
2018
  
2017
  
2016
 
CHANGES IN BENEFIT OBLIGATIONS:
         
Benefit obligation-beginning of year
 
$
23,492
  
$
22,916
  
$
23,341
 
Service cost
  
28
   
29
   
28
 
Interest cost
  
755
   
840
   
888
 
Actuarial (gain) loss
  
(1,951
)
  
721
   
(255
)
Benefits paid
  
(1,219
)
  
(1,014
)
  
(1,086
)
Benefit obligation at end of year
  
21,105
   
23,492
   
22,916
 
             
CHANGE IN PLAN ASSETS:
            
Fair value of plan assets-beginning of year
  
19,055
   
17,548
   
17,792
 
Actual return on plan assets
  
(1,000
)
  
2,521
   
842
 
Benefits paid
  
(1,220
)
  
(1,014
)
  
(1,086
)
Fair value of plan assets-end of year
  
16,835
   
19,055
   
17,548
 
             
BENEFIT OBLIGATION IN EXCESS OF FAIR VALUE FUNDED STATUS:
 
$
(4,270
)
 
$
(4,437
)
 
$
(5,368
)
Amounts Recognized in Consolidated Balance Sheets
Amounts recognized in the consolidated balance sheets consist of:

  
At December 31,
 
  
2018
  
2017
  
2016
 
Noncurrent liabilities
 
$
(4,270
)
 
$
(4,437
)
 
$
(5,368
)
Amounts Recognized in Accumulated Other Comprehensive Loss
Amounts recognized in accumulated other comprehensive loss consist of:

  
Year Ended December 31,
 
  
2018
  
2017
  
2016
 
Accumulated loss
 
$
(6,428
)
 
$
(6,876
)
 
$
(8,467
)
Deferred income taxes
  
2,366
   
2,366
   
2,366
 
Accumulated other comprehensive loss
 
$
(4,062
)
 
$
(4,510
)
 
$
(6,101
)
Components of Net Periodic Cost for Plan
The following table provides the components of net periodic cost for the plan:

  
Year Ended December 31,
 
  
2018
  
2017
  
2016
 
COMPONENTS OF NET PERIODIC BENEFIT COST
         
Service cost
 
$
28
  
$
29
  
$
28
 
Interest cost
  
755
   
840
   
888
 
Expected return on plan assets
  
(1,104
)
  
(1,058
)
  
(1,118
)
Recognized net actuarial loss
  
601
   
850
   
991
 
Net periodic benefit cost
 
$
280
  
$
661
  
$
789
 
Plan Assets using Fair Value Hierarchy
The level in the fair value hierarchy within which the fair value measurement falls is determined based on the lowest level input that is significant to the fair value measurement in its entirety.

  
Quoted Prices in
Active Markets
for Identical
Assets
  
Significant Other
Observable Inputs
  
Significant
Unobservable
Inputs
    
  
(Level 1)
  
(Level 2)
  
(Level 3)
  
Total
 
Equity securities
 
$
5,428
  
$
-
  
$
-
  
$
5,428
 
Fixed income
  
5,852
   
-
   
-
   
5,852
 
International equities
  
3,734
   
-
   
-
   
3,734
 
Real estate
  
795
   
-
   
-
   
795
 
Cash and equivalents
  
1,026
   
-
   
-
   
1,026
 
Balance at December 31, 2018
 
$
16,835
  
$
-
  
$
-
  
$
16,835
 

  
Quoted Prices in
Active Markets
for Identical
Assets
  
Significant Other
Observable Inputs
  
Significant
Unobservable
Inputs
    
  
(Level 1)
  
(Level 2)
  
(Level 3)
  
Total
 
Equity securities
 
$
6,856
  
$
-
  
$
-
  
$
6,856
 
Fixed income
  
6,818
   
-
   
-
   
6,818
 
International equities
  
3,490
   
-
   
-
   
3,490
 
Real estate
  
1,133
   
-
   
-
   
1,133
 
Cash and equivalents
  
758
   
-
   
-
   
758
 
Balance at December 31, 2017
 
$
19,055
  
$
-
  
$
-
  
$
19,055
 
Fair Value of Total Plan Assets by Major Asset Category
Fair value of total plan assets by major asset category as of December 31:

  
2018
  
2017
 
Equity securities
  
32
%
  
36
%
Fixed income
  
35
%
  
36
%
International equities
  
22
%
  
18
%
Real estate
  
5
%
  
6
%
Cash and equivalents
  
6
%
  
4
%
Total
  
100
%
  
100
%
Expected Benefit Payments for Plan
Information about the expected benefit payments for the plan is as follows:

Year Ending December 31,
   
2019
 
$
1,335
 
2020
  
1,347
 
2021
  
1,350
 
2022
  
1,368
 
2023
  
1,382
 
Years 2024-2028
  
6,859
 
Benefit Obligations [Member]  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Weighted-average Assumptions
Weighted-average assumptions used to determine benefit obligations as of December 31:

  
2018
  
2017
  
2016
 
Discount rate
  
4.01
%
  
3.36
%
  
3.81
%
Rate of compensation increase
  
2.50
%
  
2.50
%
  
2.50
%
Periodic Pension Cost [Member]  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
Weighted-average Assumptions
Weighted-average assumptions used to determine net periodic pension cost for years ended December 31:

  
2018
  
2017
  
2016
 
Discount rate
  
4.01
%
  
3.36
%
  
3.81
%
Rate of compensation increase
  
2.50
%
  
2.50
%
  
2.50
%
Long-term rate of return
  
6.25
%
  
6.00
%
  
6.25
%