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Note 3 - Business Combinations and Dispositions (Details Textual) - USD ($)
$ in Thousands
 1 Months Ended 2 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 21 Months Ended
May 15, 2024
Oct. 02, 2023
Jul. 31, 2024
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2025
Apr. 30, 2025
Dec. 31, 2023
Business Combination, Contingent Consideration, Liability       $ 9,754 $ 11,026   $ 9,754 $ 11,026 $ 9,754    
Goodwill       348,558 348,918   348,558 348,918 348,558    
PRT Offshore [Member]                      
Business Combination, Consideration Transferred   $ 90,800                  
Payments to Acquire Businesses, Gross   21,600                  
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable   40,900                  
Business Combination, Consideration Transferred, Liabilities Incurred   13,200                  
Business Combination, Contingent Consideration, Asset                     $ 1,500
Business Combination, Consideration Transferred, Net Working Capital Adjustment           $ 600          
Business Combination, Contingent Consideration, Liability   13,200                  
Payment for Contingent Consideration Liability, Financing Activities         18,400            
Goodwill   $ 18,556   19,473 19,500   19,473 19,500 19,473    
Goodwill, Measurement Period Adjustment               900 917    
Finite-Lived Intangible Asset, Expected Amortization, Year One       $ 3,300     $ 3,300   $ 3,300    
PRT Offshore [Member] | Minimum [Member]                      
Finite-Lived Intangible Asset, Useful Life (Year)       5 years     5 years   5 years    
PRT Offshore [Member] | Maximum [Member]                      
Finite-Lived Intangible Asset, Useful Life (Year)       15 years     15 years   15 years    
Coretrax [Member]                      
Business Combination, Consideration Transferred $ 186,700                    
Payments to Acquire Businesses, Gross 31,300                    
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable 142,800                    
Business Combination, Consideration Transferred, Liabilities Incurred 3,300                    
Business Combination, Consideration Transferred, Net Working Capital Adjustment     $ (500)                
Business Combination, Contingent Consideration, Liability         $ 3,300     $ 3,300      
Goodwill $ 95,773     $ 99,955     $ 99,955   $ 99,955 $ 95,800  
Goodwill, Measurement Period Adjustment       4,182     4,200        
Finite-Lived Intangible Asset, Expected Amortization, Year One       $ 8,900     $ 8,900   $ 8,900    
Business Combination, Consideration Transferred, Settlement Of Contingent Consideration Arrangement     7,500                
Coretrax [Member] | Stock Purchase Agreement with Sellers [Member]                      
Proceeds Upon Completion of Issuance of Escrow Shares     $ 8,000                
Coretrax [Member] | Minimum [Member]                      
Finite-Lived Intangible Asset, Useful Life (Year)       1 year     1 year   1 year    
Coretrax [Member] | Maximum [Member]                      
Finite-Lived Intangible Asset, Useful Life (Year)       15 years     15 years   15 years