Long-Term Debt And Other Long-Term Liabilities (Long-Term Debt) (Details) - USD ($) $ in Thousands		Mar. 31, 2020		Dec. 31, 2019
Current portion of long-term debt:
Total current portion of long-term debt	[1]	$ 771,283		$ 108,200
Long-term debt:
Long-term debt		37,000	[1]	663,216	[2]
Current portion of long-term debt
Current portion of long-term debt:
Total principal amount		774,000		108,200
Less: unamortized discount		(801)		0
Less: debt issuance costs, net		(1,916)		0
Total current portion of long-term debt		771,283		108,200
Long-term Debt
Current portion of long-term debt:
Total principal amount		37,000		666,500
Less: unamortized discount		0		(971)
Less: debt issuance costs, net		0		(2,313)
Long-term debt:
Long-term debt		37,000		663,216
Senior Subordinated Notes | Current portion of long-term debt
Current portion of long-term debt:
6.625% senior subordinated notes due 2021		650,000		0
Senior Subordinated Notes | Long-term Debt
Current portion of long-term debt:
6.625% senior subordinated notes due 2021		$ 0		$ 650,000
Unit Credit Agreement [Member]
Long-term debt:
Revolving credit facility interest rate		2.90%		4.00%
Unit Credit Agreement [Member] | Current portion of long-term debt
Current portion of long-term debt:
Unit credit agreement with an average interest rate of 2.9% and 4.0% at March 31, 2020 and December 31, 2019, respectively		$ 124,000		$ 108,200
Superior Credit Agreement [Member]
Long-term debt:
Revolving credit facility interest rate		2.74%		3.90%
Superior Credit Agreement [Member] | Long-term Debt
Long-term debt:
Superior credit agreement with an average interest rate of 2.7% and 3.9% at March 31, 2020 and December 31, 2019, respectively		$ 37,000		$ 16,500

[1] As of March 31, 2020, the current portion of long-term debt is net of debt issuance costs. As of December 31, 2019, the long-term debt is net of debt issuance costs. See Note 8 – Long-Term Debt and Other Long-Term Liabilities.

[2] Unit Corporation's consolidated total assets as of March 31, 2020 include total current and long-term assets of its variable interest entity (VIE) (Superior Pipeline Company, L.L.C.) of $46.7 million and $360.7 million, respectively, which can only settle obligations of the VIE. Unit Corporation's consolidated total liabilities as of March 31, 2020 include total current and long-term liabilities of the VIE of $25.8 million and $42.9 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, 2019 include total current and long-term assets of the VIE of $28.8 million and $434.3 million, respectively, which can only settle obligations of the VIE. Unit Corporation's consolidated total liabilities as of December 31, 2019 include total current and long-term liabilities of the VIE of $32.2 million and $26.0 million, respectively, for which the creditors of the VIE have no recourse to Unit Corporation. See Note 16 – Variable Interest Entity Arrangements.