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Note 15 - Asset Dispositions, Assets Held for Sale and Asset Impairments (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Disclosure of Long Lived Assets Held-for-sale [Table Text Block]

(In thousands, except for number of vessels data)

 

Number of Vessels

  

Three Months Ended June 30, 2021

  

Number of Vessels

  

Three Months Ended June 30, 2020

  

Number of Vessels

  

Six Months Ended June 30, 2021

  

Number of Vessels

  

Six Months Ended June 30, 2020

 

Beginning balance

  20  $31,214   38  $26,142   23  $34,396   46  $39,287 

Additions

        22   65,811         22   65,811 

Sales

  (5)  (11,000)  (14)  (7,407)  (8)  (14,182)  (22)  (10,345)

Transfers

  (1)  (3,000)        (1)  (3,000)      

Impairment

           (55,482)           (65,689)

Ending balance

  14   17,214   46  $29,064   14  $17,214   46  $29,064