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Note 10 - Income Taxes (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

(in thousands)

 

2020

  

2019

  

2018

 

Federal, current

 $63  $(2,040) $(437)

Federal, deferred

  (2,391)  3,976   14,117 

State, current

  2,349   828   1,284 

State, deferred

  (2,825)  (415)  (20)

Income tax (benefit) expense

 $(2,804) $2,349  $14,944 
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

(in thousands)

 

2020

  

2019

  

2018

 

Computed "expected" income tax expense

 $(3,554) $1,642  $11,745 

State income taxes, net of federal income tax effect

  (227)  (600)  2,484 
831(b) election  (123)  (393)  (200)

Per diem allowances

  1,028   1,450   1,446 

Tax contingency accruals

  65   601   (57)

Valuation allowance, net

  (139)  321   0 

Tax credits

  (403)  (377)  (968)

Excess tax benefits on share-based compensation

  129   105   50 
Change in prior year estimates  288   (420)  0 

Other, net

  132   20   444 

Income tax (benefit) expense

 $(2,804) $2,349  $14,944 
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

(in thousands)

 

2020

  

2019

 

Deferred tax assets:

        

Insurance and claims

 $10,970  $10,269 

Net operating loss carryovers

  7,759   25,849 

Tax credits

  11,395   10,942 
Leased liability  9,969   15,668 
Finance lease obligation  3,848   8,483 
State bonus  4,860   6,576 

Other

  4,917   2,160 

Valuation allowance

  (242)  (385)

Total deferred tax assets

  53,476   79,562 
         

Deferred tax liabilities:

        

Property and equipment

  (78,682)  (97,066)

Investment in partnership

  (31,585)  (36,669)
ROU Asset- leases  (9,697)  (15,280)

Other

  (4,353)  (7,462)
Sec. 481(a) - finance leases  (588)  (449)

Prepaid expenses

  (3,124)  (2,966)

Total deferred tax liabilities

  (128,029)  (159,892)
         

Net deferred tax liability

 $(74,553) $(80,330)
Summary of Income Tax Contingencies [Table Text Block]
  

2020

  

2019

  

2018

 

Balance as of January 1,

 $823  $1,796  $1,924 

Increases related to prior year tax positions

  -   2,969   4 

Decreases related to prior year positions

  -   -   (9)

Increases related to current year tax positions

  98   287   - 

Decreases related to settlements with taxing authorities

  -   (4,200)  - 

Decreases related to lapsing of statute of limitations

  (34)  (29)  (123)

Balance as of December 31,

 $887  $823  $1,796