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Note 6 - Impairments (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Details of Impairment of Long-Lived Assets Held and Used by Asset [Table Text Block]
  

2021

  

2020

  

2019

 

Properties marketed for sale (1)

 $2.7  $5.5  $12.5 

Properties disposed/deeded in lieu/foreclosed (2)

  -   1.1   36.2 

Other impairments (3)

  0.9   -   - 

Total net impairment charges

 $3.6  $6.6  $48.7