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Note 8 - Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Fair Value, by Balance Sheet Grouping [Table Text Block]
  

September 30, 2022

 

(In thousands)

 

Balance

  

Level 1

  

Level 2

  

Level 3

 

Assets

                

Cash and cash equivalents

 $252,344  $252,344  $  $ 

Restricted cash

  17,185   17,185       

Investment available for sale

  13,953         13,953 
  

December 31, 2021

 

(In thousands)

 

Balance

  

Level 1

  

Level 2

  

Level 3

 

Assets

                

Cash and cash equivalents

 $344,557  $344,557  $  $ 

Restricted cash

  12,571   12,571       

Investment available for sale

  15,822         15,822 

Liability

                

Contingent payments

 $62  $  $  $62 
Fair Value Asset (Liability) Measured On Recurring Basis Unobservable Input Reconciliation [Table Text Block]
  

Three Months Ended

 
  

September 30, 2022

  

September 30, 2021

 
  

Asset

  

Liability

  

Asset

  

Liability

 
  Investment    Investment    
  Available  Contingent  Available  Contingent 

(In thousands)

 

for Sale

  

Payments

  

for Sale

  

Payments

 

Balance at beginning of reporting period

 $14,116  $  $15,696  $(489)

Total gains (losses) (realized or unrealized):

                

Included in interest income (expense)

  40      39   (4)

Included in other comprehensive income (loss)

  (203)     328    

Included in other items, net

           18 

Purchases, sales, issuances and settlements:

                

Settlements

           195 

Balance at end of reporting period

 $13,953  $  $16,063  $(280)
  

Nine Months Ended

 
  

September 30, 2022

  

September 30, 2021

 
  

Asset

  

Liability

  

Asset

  

Liability

 
  Investment     Investment    
  Available  Contingent  Available  Contingent 

(In thousands)

 

for Sale

  

Payments

  

for Sale

  

Payments

 

Balance at beginning of reporting period

 $15,822  $(62) $16,692  $(924)

Total gains (losses) (realized or unrealized):

                

Included in interest income (expense)

  125      121   (26)

Included in other comprehensive income (loss)

  (1,359)     (160)   

Included in other items, net

           21 

Purchases, sales, issuances and settlements:

                

Settlements

  (635)  62   (590)  649 

Balance at end of reporting period

 $13,953  $  $16,063  $(280)
Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block]
  

September 30, 2022

  Outstanding  Carrying  Estimated 

Fair Value

(In thousands)

 

Face Amount

  

Value

  

Fair Value

 

Hierarchy

Liabilities

             

Obligation under assessment arrangements

 $22,731  $19,597  $26,299 

Level 3

  

December 31, 2021

  Outstanding  Carrying  Estimated 

Fair Value

(In thousands)

 

Face Amount

  

Value

  

Fair Value

 

Hierarchy

Liabilities

             

Obligation under assessment arrangements

 $24,306  $20,734  $26,908 

Level 3

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]
  

September 30, 2022

  Outstanding  Carrying  Estimated 

Fair Value

(In thousands)

 

Face Amount

  

Value

  

Fair Value

 

Hierarchy

Credit Facility

 $1,009,400  $990,644  $1,005,110 

Level 2

4.750% senior notes due 2027

  1,000,000   989,773   881,250 

Level 1

4.750% senior notes due 2031

  900,000   888,204   726,750 

Level 1

Other

  706   706   706 

Level 3

Total debt

 $2,910,106  $2,869,327  $2,613,816  
  

December 31, 2021

  Outstanding  Carrying  Estimated 

Fair Value

(In thousands)

 

Face Amount

  

Value

  

Fair Value

 

Hierarchy

Prior Credit Facility

 $867,897  $859,106  $866,812 

Level 2

4.750% senior notes due 2027

  1,000,000   988,312   1,023,750 

Level 1

8.625% senior notes due 2025

  300,000   295,934   320,250 

Level 1

4.750% senior notes due 2031

  900,000   886,746   915,750 

Level 1

Other

  1,496   1,496   1,496 

Level 3

Total debt

 $3,069,393  $3,031,594  $3,128,058