Condensed Consolidated Balance Sheets (Unaudited) - USD ($)	Sep. 30, 2018		Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 91,557,000		$ 701,000
Accounts receivable, net of allowance for doubtful accounts of $2,450 at both September 30, 2018 and December 31, 2017, respectively	122,123,000		111,512,000
Materials and supplies	505,000		505,000
Current derivative asset (Note 10)	0		721,000
Prepaid expenses and other	9,419,000		6,233,000
Total current assets	223,604,000		119,672,000
Oil and natural gas properties on the full cost method:
Proved properties	5,901,661,000		5,712,813,000
Unproved properties not being amortized	332,886,000		296,764,000
Drilling equipment	1,632,540,000		1,593,611,000
Gas gathering and processing equipment	751,715,000		726,236,000
Saltwater disposal systems	67,074,000		62,618,000
Corporate land and building	59,081,000		59,080,000
Transportation equipment	29,103,000		29,631,000
Other	56,750,000		53,439,000
Property, plant, and equipment, gross	8,830,810,000		8,534,192,000
Less accumulated depreciation, depletion, amortization, and impairment	6,325,160,000		6,151,450,000
Net property and equipment	2,505,650,000		2,382,742,000
Goodwill	62,808,000		62,808,000
Other assets	28,703,000		16,230,000
Total assets	2,820,765,000	[1]	2,581,452,000
Current liabilities:
Accounts payable	143,552,000		112,648,000
Accrued liabilities (Note 5)	67,743,000		48,523,000
Income taxes payable	1,051,000		0
Current derivative liability (Note 10)	13,067,000		7,763,000
Current portion of other long-term liabilities (Note 6)	14,150,000		13,002,000
Total current liabilities	239,563,000		181,936,000
Long-term debt less debt issuance costs (Note 6)	643,921,000		820,276,000
Non-current derivative liability (Note 10)	1,542,000		0
Other long-term liabilities (Note 6)	101,410,000		100,203,000
Deferred income taxes	164,964,000		133,477,000
Commitments and contingencies (Note 12)	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, 54,063,705 and 52,880,134 shares issued as of September 30, 2018 and December 31, 2017, respectively	10,414,000		10,280,000
Capital in excess of par value	626,746,000		535,815,000
Accumulated other comprehensive income (loss) (Note 14)	(103,000)		63,000
Retained earnings	830,680,000		799,402,000
Total shareholders’ equity attributable to Unit Corporation	1,467,737,000		1,345,560,000
Non-controlling interests in consolidated subsidiaries	201,628,000		0
Total shareholders' equity	1,669,365,000		1,345,560,000
Total liabilities and shareholders' equity	$ 2,820,765,000	[1]	$ 2,581,452,000

[1] Unit Corporation's consolidated total assets as of September 30, 2018 include total current and long-term assets of its variable interest entity (VIE) (Superior Pipeline Company, L.L.C.) of $41.8 million and $416.7 million, respectively, which can only be used to settle obligations of the VIE. Unit Corporation's consolidated total liabilities as of September 30, 2018 include total current and long-term liabilities of the VIE of $38.6 million and $16.1 million, respectively, for which the creditors of the VIE have no recourse to Unit Corporation. See Note 13 – Variable Interest Entity Arrangements.