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Property and Equipment - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Sep. 30, 2024
Property, Plant and Equipment [Line Items]        
Depreciation $ 2,784,000 $ 3,147,000    
Property and equipment, carrying value 77,710,000   $ 78,329,000  
Impairment charge 0 $ 0    
75 Enterprise Centre        
Property, Plant and Equipment [Line Items]        
Property and equipment, carrying value       $ 7,800,000
Impairment charge     $ 1,100,000  
50 Enterprise Center        
Property, Plant and Equipment [Line Items]        
Property and equipment, carrying value $ 5,300,000     $ 3,600,000
Inspection period 60 days