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Note 14 - Employee Benefit Plans (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Net Benefit Costs [Table Text Block]
  

Year ended December 31,

 
  

2021

  

2020

 

Service cost

 $4  $5 

Interest cost on projected benefit obligation

  774   1,084 

Net amortization of actuarial loss

  613   631 

Expected return on plan assets

  (773

)

  (987

)

Net periodic benefit cost

 $618  $733 
Net Periodic Benefit Cost Recognized in Income Statement [Table Text Block]
  

Year ended December 31,

 
  

2021

  

2020

 

Service cost:

        

Selling, general and administrative expenses

 $4  $5 

Other net periodic benefit costs:

        

Other expense, net

  614   728 

Total

 $618  $733 
Schedule of Changes in Projected Benefit Obligations [Table Text Block]
  

December 31,

 
  

2021

  

2020

 

Change in benefit obligation

        

Benefit obligation at beginning of year

 $36,859  $36,050 

Service cost

  4   5 

Interest cost

  774   1,084 

Actuarial loss

  (2,245

)

  2,516 

Benefits paid

  (2,636

)

  (2,796

)

Benefit obligation at end of year

 $32,756  $36,859 

Change in plan assets:

        

Fair value of plan assets at beginning of year

 $32,353  $31,738 

Actual return on plan assets

  37   2,549 

Company contributions

  297   862 

Benefits paid

  (2,636

)

  (2,796

)

Fair value of plan assets at end of year

 $30,051  $32,353 
         

Underfunded status of the plans

 $(2,705

)

  (4,506

)

  

December 31,

 
  

2021

  

2020

 

Balance sheet assets (liabilities):

        

Other assets

 $595  $380 

Accrued liabilities

  (126

)

  (596

)

Other liabilities

  (3,174

)

  (4,290

)

Net amount recognized

 $(2,705

)

 $(4,506

)

Pension plans with accumulated benefit obligation in excess of plan assets:

        

Projected benefit obligation

 $22,846  $25,566 

Accumulated benefit obligation

  22,846   25,566 

Fair value of plan assets

  19,545   20,680 

Projected benefit obligation and net periodic pension cost assumptions:

            

Discount rate – projected benefit obligation

    2.70

%

    2.25

%

Discount rate – net periodic pension cost

    2.25     3.15 

Rate of compensation increase

    N/A     N/A 

Expected long-term rate of return on plan assets

  1.80-2.95   3.05-3.40 
  

December 31,

 
  

2021

  

2020

 

Weighted average asset allocation:

        

Equity securities

  16

%

  17

%

Debt securities

  81   80 

Other

  3   3 

Total

  100

%

  100

%

Schedule of Allocation of Plan Assets [Table Text Block]
  

Quoted Prices

In Active

Markets

(Level 1)

  

Significant

Other

Observable

Inputs

(Level 2)

 

Asset categories

        

Cash and cash equivalents

 $2,371  $0 

Equity securities:

      0 

U.S. Large Cap

  2,008   0 

U.S. Mid Cap

  863   0 

U.S. Small Cap

  169   0 

World Equity

  1,733   0 

Real Estate

  405   0 

Other

  547   0 

Fixed income securities

  6,814   15,141 

Total Plan Assets

 $14,910  $15,141 
  

Quoted Prices

In Active

Markets

(Level 1)

  

Significant

Other

Observable

Inputs

(Level 2)

 

Asset categories

        

Cash and cash equivalents

 $2,744  $0 

Equity securities:

      0 

U.S. Large Cap

  2,272   0 

U.S. Mid Cap

  867   0 

U.S. Small Cap

  224   0 

World Equity

  2,256   0 

Real Estate

  391   0 

Other

  600   0 

Fixed income securities

  6,304   16,695 

Total Plan Assets

 $15,658  $16,695 
Schedule of Expected Benefit Payments [Table Text Block]

2022

  $2,616 

2023

   2,546 

2024

   2,486 

2025

   2,416 

2026

   2,326 
2027-2031   10,409 

Total

  $22,799