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Quarterly Financial Information (Tables)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Summary of Unaudited Quarterly Financial Information

		1^st				2^nd				3^rd				4^th
		Quarter				Quarter				Quarter				Quarter
2020
Operating revenues		$	445,927			$	250,380			$	207,141			$	220,801
Operating loss			(494,410	)			(159,084	)			(114,566	)			(124,198	)
Net loss			(434,722	)			(150,332	)			(112,111	)			(106,527	)
Net loss per common share:
Basic		$	(2.28	)		$	(0.81	)		$	(0.60	)		$	(0.57	)
Diluted		$	(2.28	)		$	(0.81	)		$	(0.60	)		$	(0.57	)

Included within net loss:
Goodwill impairment, after tax		$	340,147			$	—			$	—			$	—
Restructuring, after tax			—				33,967				—				—
Oil and natural gas assets impairment, after tax			9,084				604				—				—
Impairment of property and equipment related to Canadian drilling operations, after tax ⁽¹⁾			—				7,314				—				—
Net gain from the realization of insurance proceeds, after tax ⁽²⁾			—				(3,696	)			—				—
Impairment of capacity reservation contract, after tax ⁽³⁾			—				8,157				—				—
Gain on early debt extinguishment, after tax ⁽⁴⁾			—				—				—				(2,916	)

⁽¹⁾	Impairment of property and equipment related to Canadian drilling operations was included in “Depreciation, depletion, amortization and impairment” in the consolidated statements of operations.

⁽²⁾	Net gain from the realization of insurance proceeds was included in “Other operating expenses (income), net” in the consolidated statements of operations.

⁽³⁾	Impairment of capacity reservation contract was included in “Other operating expenses (income), net” in the consolidated statements of operations.

⁽⁴⁾	Gain on early debt extinguishment was included in “Interest expense, net of amount capitalized” in the consolidated statements of operations.

		1^st				2^nd				3^rd				4^th
		Quarter				Quarter				Quarter				Quarter
2019
Operating revenues		$	704,171			$	675,765			$	598,452			$	492,297
Operating loss			(23,383	)			(48,125	)			(307,305	)			(82,763	)
Net loss			(28,614	)			(49,447	)			(261,719	)			(85,923	)
Net loss per common share:
Basic		$	(0.14	)		$	(0.24	)		$	(1.31	)		$	(0.44	)
Diluted		$	(0.14	)		$	(0.24	)		$	(1.31	)		$	(0.44	)

Included within net loss:
Goodwill impairment, after tax		$	—			$	—			$	14,276			$	—
Impairment of capacity reservation contract, after tax ⁽¹⁾			—				10,519				—				—
Impairment of property and equipment, after tax ⁽²⁾			—				—				162,581				—
Directional drilling charges ⁽³⁾			—				—				13,616				—
Oilfield technology and manufacturing charges, after tax ⁽⁴⁾			—				—				11,694				—
Early repayment of debt charge, after tax ⁽⁵⁾			—				—				6,614				12,401

⁽¹⁾	Impairment of capacity reservation contract was included in “Other operating expenses (income), net” in the consolidated statements of operations.

⁽²⁾	Impairment of property and equipment was included in “Depreciation, depletion, amortization and impairment” in the consolidated statements of operations.

⁽³⁾	Directional drilling charges were included in “Direct operating costs” in the consolidated statements of operations.

⁽⁴⁾	Inventory write-offs and severance expense as a result of transitioning away from our engineering and manufacturing efforts in Calgary were included in “Direct operating costs” and “Selling, general and administrative” in the consolidated statements of operations, respectively.

⁽⁵⁾	Early repayment of debt charge was included in “Interest expense, net of amount capitalized” in the consolidated statements of operations.