Segment Information (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Schedule of Provisions for Contractual Discounts and Estimated Uncompensated Care as a Percentage of Gross Segment Billings

Provisions for contractual discounts and estimated uncompensated care for our Air Medical segment (expressed as a percentage of gross segment billings) were as follows for the periods listed below:

	Quarter Ended    June 30,				Six Months Ended   June 30,
	2018		2017		2018		2017
Provision for contractual discounts	67	%	63	%	66	%	66	%
Provision for uncompensated care	7	%	10	%	8	%	7	%

Schedule of Net Revenue Attributable to Insurance, Medicare, Medicaid, and Self-Pay as Percentage of Net Air Medical Revenues

Net revenue attributable to Insurance, Medicare, Medicaid, and Self-Pay (expressed as a percentage of net Air Medical revenues) were as follows for the periods listed below:

	Quarter Ended    June 30,				Six Months Ended   June 30,
	2018		2017		2018		2017
Insurance	72	%	72	%	72	%	71	%
Medicare	19	%	18	%	20	%	18	%
Medicaid	8	%	8	%	8	%	9	%
Self-Pay	1	%	2	%	—	%	2	%

Schedule of Financial Information Concerning Reportable Operating Segments

Summarized financial information concerning our reportable operating segments for the quarters and six months ended June 30, 2018 and 2017 is as follows: 

	Quarter Ended    June 30,						Six Months Ended   June 30,
	2018			2017			2018			2017
	(Thousands of dollars)						(Thousands of dollars)
Segment operating revenues
Oil and Gas	$	97,068		$	74,668		$	192,702		$	146,399
Air Medical	67,151			67,222			124,139			122,559
Technical Services	5,024			4,534			12,766			12,084
Total operating revenues, net	169,243			146,424			329,607			281,042
Segment direct expenses
Oil and Gas (1)	94,442			73,681			190,985			155,410
Air Medical	56,776			50,402			110,608			101,243
Technical Services	3,784			3,858			9,671			8,804
Total direct expenses	155,002			127,941			311,264			265,457
Segment selling, general and administrative expenses
Oil and Gas	4,400			1,635			9,321			3,354
Air Medical	3,254			3,263			6,421			6,144
Technical Services	340			356			710			694
Total selling, general and administrative expenses	7,994			5,254			16,452			10,192
Total segment direct and selling, general and administrative expenses	162,996			133,195			327,716			275,649
Net segment (loss) profit
Oil and Gas	(1,774		)	(648		)	(7,604		)	(12,365		)
Air Medical	7,121			13,557			7,110			15,172
Technical Services	900			320			2,385			2,586
Total net segment profit	6,247			13,229			1,891			5,393
Other, net (3)	(193		)	697			(2,112		)	1,761
Unallocated selling, general and administrative costs (1) (4)	(6,491		)	(8,993		)	(13,492		)	(17,099		)
Interest expense	(8,340		)	(8,083		)	(16,537		)	(16,278		)
(Loss) earnings before income taxes	$	(8,777	)	$	(3,150	)	$	(30,250	)	$	(26,223	)

(1)  Included in direct expenses and unallocated selling, general, and administrative costs are the depreciation and amortization expense amounts below:

Depreciation and Amortization Expense Included in Direct Expenses and Unallocated Selling, General, and Administrative Costs

	Depreciation and Amortization Expense
	Quarter Ended    June 30,				Six Months Ended   June 30,
	2018		2017		2018		2017
	(Thousands of dollars)
Segment Direct Expense:
Oil and Gas	$	11,486	$	9,824	$	23,269	$	19,686
Air Medical	6,091		5,219		11,715		10,696
Technical Services	142		148		287		294
Total	$	17,719	$	15,191	$	35,271	$	30,676
Unallocated SG&A	$	1,412	$	622	$	3,327	$	3,335

(2) Includes equity in (earnings) of unconsolidated affiliates, net.

(3) Consists of (gains) losses on disposition of property and equipment and other income.

(4) Represents corporate overhead expenses not allocable to segments.