Leases - Maturities of finance and operating lease liabilities (Details) - USD ($) $ in Thousands	5 Months Ended	7 Months Ended	12 Months Ended
	Dec. 31, 2025	Jul. 31, 2025	Dec. 31, 2024
Finance leases
2026	$ 6,373
2027	3,666
2028	2,655
2029	1,644
2030	659
2031 and thereafter	584
Total lease payments	15,581
Less: Imputed interest	(4,334)
Present value of lease liabilities	11,247
Operating leases
2026	14,287
2027	12,391
2028	7,871
2029	4,709
2030	1,678
2031 and thereafter	981
Total lease payments	41,917
Less: Imputed interest	(9,573)
Present value of lease liabilities	32,344
Operating leases, rent expense	$ 15,500	$ 21,200	$ 30,100