Selected Quarterly Financial Information (Tables)

12 Months Ended

Dec. 31, 2018

Selected Quarterly Financial Information [Abstract]

Schedule Of Quarterly Financial Information [Table Text Block]

Summarized unaudited quarterly financial information is as follows:

	Three Months Ended
	March 31		June 30		September 30		December 31
	(In thousands except per share amounts)
2017
Revenues	$	175,724	$	170,581	$	188,488	$	204,847
Gross income (1)	$	32,657	$	24,462	$	27,181	$	37,211
Net income attributable to Unit Corporation	$	15,929	$	9,059	$	3,705	$	89,155
Net income attributable to Unit Corporation per common share:
Basic	$	0.32	$	0.18	$	0.07	$	1.74
Diluted (2)	$	0.31	$	0.17	$	0.07	$	1.71
2018
Revenues	$	205,132	$	203,303	$	220,058	$	214,788
Gross income (loss) (1)	$	38,833	$	40,915	$	49,216	$	(108,068)
Net income attributable to Unit Corporation	$	7,865	$	5,788	$	18,899	$	(77,840)
Net income (loss) attributable to Unit Corporation per common share:
Basic	$	0.15	$	0.11	$	0.36	$	(1.49)
Diluted	$	0.15	$	0.11	$	0.36	$	(1.49)

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1.Gross income (loss) excludes general and administrative expense, interest expense, (gain) loss on disposition of assets, gain (loss) on derivatives, income taxes, and other income (loss).

2.The earnings per share for the year's four quarters does not equal annual income per share.