SUPPLEMENTAL NON-CASH TRANSACTIONS (Tables)

3 Months Ended

Mar. 31, 2020

Supplemental Cash Flow Elements [Abstract]

Schedule of cash flow, supplemental disclosures

The following table presents the supplemental disclosure of cash flow information for the three months ended March 31, 2020 and 2019: 

	Three Months Ended March 31,
	2020			2019
	(in thousands)
Non-cash investing and financing activities excluded from the statement of cash flows:
Issued shares of common stock and preferred stock upon extinguishment of debt and modification of Series C Preferred Stock and Series D Preferred Stock	$	—		$	141,787
Deferred revenue realized upon purchase option exercise	—			11,700
Change in capital expenditures for drilling costs in accrued liabilities	(2,849		)	6,211
Accrued cumulative paid in kind dividends on preferred stock	7,172			4,824
Change in asset retirement obligations	5			47