Description of the Business (Details) - USD ($) $ / shares in Units, $ in Thousands			7 Months Ended	10 Months Ended	12 Months Ended
	Dec. 07, 2021	Dec. 06, 2021	Dec. 31, 2020	Oct. 22, 2020	Dec. 31, 2021	Dec. 31, 2019	Dec. 21, 2020	Dec. 02, 2020
Merger [Line Items]
Proceeds from the Merger	$ 101,958		$ 0	$ 0	$ 101,958	$ 0
Debt conversion, converted instrument, shares issued (in shares)	17,391,304				17,391,304
Debt instrument, convertible, conversion price (in usd per shares)	$ 11.50				$ 11.50
Repayments of debt	$ 114,393
Payment of Merger transaction costs	9,802		$ 0	$ 0	$ 9,802	$ 0
Equity stock, shares authorized (in shares)		501,000,000
Common shares authorized (in shares)		500,000,000			500,000,000
Preferred stock authorized (in shares)		1,000,000			1,000,000
Common stock outstanding (in shares)					135,566,227
Preferred stock outstanding (in shares)					0
Proceeds from reverse recapitalization transaction	$ 75,000
Reverse recapitalization shares issued (in shares)	105,000,000
Common stock issued (in shares)	8,000,000
Forward Share Purchase Agreements
Merger [Line Items]
Earnout period, stock price trigger (usd per share)		$ 10.15
Certain Advisors
Merger [Line Items]
Common stock issued (in shares)	1,495,320
AE Industrial Partners Fund II, LP
Merger [Line Items]
Majority shareholder, ownership by AE	83.50%
Unsecured Debt
Merger [Line Items]
Debt conversion, converted instrument, amount	$ 200,000
BigBear Holdings
Merger [Line Items]
Common units converted (in shares)	100	100
Open Solutions Group, LLC | NuWave
Merger [Line Items]
Percentage of voting interests acquired								100.00%
PCI | NuWave
Merger [Line Items]
Percentage of voting interests acquired							100.00%