Label	Element	Value
Successor [Member]
Stock and Warrants Issued During Period, Value, New Issues	bas_StockandWarrantsIssuedDuringPeriodValueNewIssues	$ 414,408,000
Predecessor [Member]
Cancellation Of Company Equity, Value	bas_CancellationOfCompanyEquityValue	0
Treasury Stock [Member] | Successor [Member]
Stock and Warrants Issued During Period, Value, New Issues	bas_StockandWarrantsIssuedDuringPeriodValueNewIssues	(3,477,000)
Treasury Stock [Member] | Predecessor [Member]
Cancellation Of Company Equity, Value	bas_CancellationOfCompanyEquityValue	(7,519,000)
Additional Paid-in Capital [Member] | Successor [Member]
Stock and Warrants Issued During Period, Value, New Issues	bas_StockandWarrantsIssuedDuringPeriodValueNewIssues	417,624,000
Additional Paid-in Capital [Member] | Predecessor [Member]
Cancellation Of Company Equity, Value	bas_CancellationOfCompanyEquityValue	387,269,000
Common Stock [Member] | Successor [Member]
Stock and Warrants Issued During Period, Value, New Issues	bas_StockandWarrantsIssuedDuringPeriodValueNewIssues	$ 261,000
Common Stock [Member] | Predecessor [Member]
Cancellation Of Company Equity, Shares	bas_CancellationOfCompanyEquityShares	43,500,032
Cancellation Of Company Equity, Value	bas_CancellationOfCompanyEquityValue	$ 435,000
Retained Earnings [Member] | Predecessor [Member]
Cancellation Of Company Equity, Value	bas_CancellationOfCompanyEquityValue	$ (380,185,000)