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Goodwill and Other Intangible Assets - Intangible assets and related amortization (Details) - USD ($)
Sep. 30, 2025
Jun. 30, 2025
Finite-Lived Intangible Assets [Line Items]    
Intangible assets, Gross $ 26,870,000  
Finite-lived intangible assets, Accumulated Amortization 2,445,000 $ 2,064,000
Finite-Lived Intangible Assets, Net carrying amount 15,855,000  
Intangible assets, Net carrying amount 24,425,000 24,806,000
Customer relationships    
Finite-Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, Gross $ 18,300,000  
Useful Life 12 years  
Finite-lived intangible assets, Accumulated Amortization $ 2,445,000 2,064,000
Finite-Lived Intangible Assets, Net carrying amount 15,855,000 16,236,000
Tradename    
Finite-Lived Intangible Assets [Line Items]    
Indefinite-lived intangible assets, Gross 8,570,000  
Finite-Lived Intangible Assets, Net carrying amount $ 8,570,000 $ 8,570,000