LONG-TERM DEBT LONG-TERM DEBT - Term Loan Facility (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 51,200,000	$ 51,200,000
Term Loan Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis		Borrowings under the Term Loan Facility will bear interest, at the Company’s option, at a per annum rate equal to (i) LIBOR for one, two, three, six, or, with the consent of the Term Loan Lenders, 12 months, plus 10.25% or (ii) a base rate equal to the sum of (a) the greatest of (x) the prime rate, (y) the Federal Funds rate, plus 0.50% and (z) 30-day LIBOR, plus 1.0% plus (b) 9.25%.
Debt Instrument, Periodic Payment, Principal		$ 3,125
Loan Facility Weighted Average Interest Rate During Period	13.17%
Term Loan Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		10.25%
Term Loan Facility [Member] \| Federal Funds rate, plus 0.50% [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		9.25%
Term Loan Facility [Member] \| 30-day LIBOR, plus 1.0% [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate		9.25%
Prior Term Loan Facility [Member]
Debt Instrument [Line Items]
Loan Facility Weighted Average Interest Rate During Period		15.45%
Cash Proceeds For Supporting Term Lenders [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 20,000,000	$ 20,000,000
New Cash Proceeds [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	30,000,000	30,000,000
Cash Proceeds For Non-Supporting Term Lenders [Member]
Debt Instrument [Line Items]
Long-term Debt, Gross	$ 1,200,000	$ 1,200,000

KEY ENERGY SERVICES INC 10-Q