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Note 4 - Allowance for Credit Losses (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Financing Receivable, Allowance for Credit Loss [Table Text Block]
  

Trade

  

Due

 

(In Thousands)

 

and Other

  

from

 
  

Receivables

  

Affiliates

 

Balance at January 1, 2022

 $1,948  $72,456 

Current period provision for expected credit losses

  620    

Acquisition of Sonatide joint venture (see Note 8)

     (59,678)

Other

     (1,136)

Balance at September 30, 2022

 $2,568  $11,642