Debt - Financial covenants (Details) - Credit Agreement			12 Months Ended
	Mar. 03, 2025 USD ($)	Apr. 23, 2024	Jun. 30, 2025 USD ($)	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Debt covenants
Maximum number of consecutive days liquidity value may fall below the minimum requirement					3 days
Minimum
Debt covenants
Consolidated fixed charge coverage ratio	1.1	1.1			1
Revolver loan turnover ratio					2.5
Minimum EBITDA requirement			$ 31,691,000	$ 35,032,000	$ 37,188,000
Liquidity value	$ 20,000,000				$ 15,000,000
Maximum
Debt covenants
Term loan loan-to-value ratio					60.00%