Significant Accounting Policies - Fair Value of Identified Assets Received and Liabilities Assumed (Details) - Amarillo Rattler, LLC $ in Millions	Apr. 30, 2021 USD ($)
Consideration
Cash (including working capital payment)	$ 50.6
Installment payable	10.0
Contingent consideration fair value	6.9
Total consideration	67.5
Purchase price allocation
Cash acquired	1.3
Current assets (including $1.3 million in cash)	1.4
Property and equipment	16.3
Intangible assets	50.6
Other assets, net	0.6
Current liabilities	(0.8)
Other long-term liabilities	(0.6)
Total identifiable net assets	$ 67.5

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