Quarterly report [Sections 13 or 15(d)]

Note 7 - Leases (Details Textual)

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Note 7 - Leases (Details Textual)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2024
USD ($)
ft²
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
ft²
Sep. 30, 2025
USD ($)
Sep. 30, 2024
USD ($)
ft²
Dec. 31, 2024
USD ($)
Lessee, Operating Lease, Renewal Term (Year)   20 years   20 years    
Sale Leaseback Transaction, Gross Proceeds       $ 0 $ 64,150  
Sale and Leaseback Transaction, Gain (Loss), Net   $ (0) $ 42,298 (0) 42,298  
Operating Lease, Right-of-Use Asset   68,529   68,529   $ 70,801
Operating Lease, Liability   $ 66,503   $ 66,503   $ 72,179
Unrelated Third Party [Member]            
Sale Leaseback Transaction, Number of Properties Sold 7          
Sale Leaseback Transaction, Net Book Value $ 21,852   $ 21,852   $ 21,852  
Sale Leaseback Transaction, Gross Proceeds 64,150          
Sale Leaseback Transaction, Transaction Costs 5,494          
Sale Leaseback Transaction, Net Proceeds $ 58,656          
Area of Real Estate Property (Square Foot) | ft² 780,000   780,000   780,000  
Sale Leaseback Transaction, Lease Term (Year) 15 years          
Sale Leaseback Transaction, Number of Renewal Options 2          
Sale Leaseback Transaction, Term of Renewal Option (Year) 10 years          
Sale and Leaseback Transaction, Gain (Loss), Net $ 42,298          
Operating Lease, Right-of-Use Asset 51,879   $ 51,879   $ 51,879  
Operating Lease, Liability $ 51,879   $ 51,879   $ 51,879  
Unrelated Third Party [Member] | WISCONSIN            
Sale Leaseback Transaction, Number of Facilities 3          
Unrelated Third Party [Member] | Illinois, Iowa, Maine, and Michigan [Member]            
Sale Leaseback Transaction, Number of Facilities 4          
Minimum [Member]            
Lessee, Operating Lease, Term of Contract (Year)   1 year   1 year    
Maximum [Member]            
Lessee, Operating Lease, Term of Contract (Year)   14 years   14 years