Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands		Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents		$ 3,891	$ 6,452
Accounts receivable, net of allowance for doubtful accounts of $2,531 at both March 31, 2019 and December 31, 2018, respectively		93,875	119,397
Materials and supplies		495	473
Current derivative asset (Note 10)		3,464	12,870
Income taxes receivable		2,054	2,054
Assets held for sale (Note 3)		19,728	22,511
Prepaid expenses and other		7,504	6,602
Total current assets		131,011	170,359
Oil and natural gas properties on the full cost method:
Proved properties		6,104,092	6,018,568
Unproved properties not being amortized		339,957	330,216
Drilling equipment		1,279,735	1,284,419
Gas gathering and processing equipment		781,970	767,388
Saltwater disposal systems		69,010	68,339
Corporate land and building		59,080	59,081
Transportation equipment		30,327	29,524
Other		57,624	57,507
Property, plant, and equipment, gross		8,721,795	8,615,042
Less accumulated depreciation, depletion, amortization, and impairment		6,225,220	6,182,726
Net property and equipment		2,496,575	2,432,316
Goodwill		62,808	62,808
Right of use asset (Note 12)		4,551	0
Other assets		34,235	32,570
Total assets	[1]	2,729,180	2,698,053
Current liabilities:
Accounts payable		132,899	149,945
Accrued liabilities (Note 5)		48,084	49,664
Current operating lease liability (Note 12)		2,369	0
Current portion of other long-term liabilities (Note 6)		14,310	14,250
Total current liabilities		197,662	213,859
Long-term debt less debt issuance costs (Note 6)		685,031	644,475
Non-current derivative liability (Note 10)		475	293
Operating lease liability (Note 12)		1,952	0
Other long-term liabilities (Note 6)		103,832	101,234
Deferred income taxes		144,369	144,748
Commitments and contingencies (Note 13)		0	0
Shareholders' equity:
Preferred stock, $1.00 par value, 5,000,000 shares authorized, none issued		0	0
Common stock, $.20 par value, 175,000,000 shares authorized, 55,467,987 and 54,055,600 shares issued as of March 31, 2019 and December 31, 2018, respectively		10,578	10,414
Capital in excess of par value		633,361	628,108
Accumulated other comprehensive loss (Note 15)		(457)	(481)
Retained earnings		749,510	752,840
Total shareholders’ equity attributable to Unit Corporation		1,392,992	1,390,881
Non-controlling interests in consolidated subsidiaries		202,867	202,563
Total shareholders' equity		1,595,859	1,593,444
Total liabilities and shareholders' equity	[1]	$ 2,729,180	$ 2,698,053

[1] Unit Corporation's consolidated total assets as of March 31, 2019 include total current and long-term assets of its variable interest entity (VIE) (Superior Pipeline Company, L.L.C.) of $28.9 million and $428.1 million, respectively, which can only be used to settle obligations of the VIE. Unit Corporation's consolidated total liabilities as of March 31, 2019 include total current and long-term liabilities of the VIE of $36.0 million and $14.0 million, respectively, for which the creditors of the VIE have no recourse to Unit Corporation. Unit Corporation's consolidated total assets as of December 31, 2018 include total current and long-term assets of the VIE of $40.1 million and $423.3 million, respectively, which can only be used to settle obligations of the VIE. Unit Corporation's consolidated total liabilities as of December 31, 2018 include total current and long-term liabilities of the VIE of $42.8 million and $14.7 million, respectively, for which the creditors of the VIE have no recourse to Unit Corporation. See Note 14 – Variable Interest Entity Arrangements.