Subsequent Events	12 Months Ended
Dec. 31, 2018
Subsequent Events [Abstract]
Subsequent Events	Note 15. Subsequent Events Penn Virginia Merger Agreement On October 28, 2018, we entered into a definitive Agreement and Plan of Merger (the “Merger Agreement”) with Penn Virginia Corporation (NASDAQ: PVAC) (“Penn Virginia”), the closing of which is subject to approval by shareholders of Penn Virginia and Denbury’s stockholders and other conditions. The Merger Agreement provides for each share of Penn Virginia common stock (“Penn Virginia Common Stock”), issued and outstanding immediately prior to the effective time of the merger (other than as described in the Merger Agreement) to be converted into the right to receive, at the election of the holder of such share of Penn Virginia Common Stock, either, (i) $25.86 in cash without interest and 12.4 shares of the Company’s common stock (“Denbury Common Stock”), (ii) $79.80 in cash without interest (the “Cash Election”), or (iii) 18.3454 shares of Denbury Common Stock (the “Stock Election”). The Cash and Stock Elections are to be subject to proration to ensure that the total amount of cash paid to holders of Penn Virginia Common Stock is equal to $400 million. In the aggregate, $400 million in cash and approximately 191.8 million shares of Denbury Common Stock are expected to be paid as merger consideration. Consummation of the merger is subject to satisfaction of customary conditions. Denbury and Penn Virginia each scheduled April 17, 2019 as the date for their respective upcoming special stockholder meetings, at which time shareholders will vote on, among other items, the merger of Penn Virginia with and into Denbury. October 2018 Financing Commitment Letter In connection with the Merger Agreement, Denbury received a commitment letter from JPMorgan Chase Bank, N.A., subject to certain funding conditions, for a proposed new $1.2 billion senior secured revolving credit facility with a maturity date of December 9, 2021 and a $400 million senior secured second lien bridge facility to be available to the extent Denbury does not secure alternate financing prior to April 30, 2019. These two new debt financings are expected to be used to fully or partially fund the $400 million cash portion of the consideration in the acquisition, potentially retire and replace Penn Virginia’s $200 million second lien term loan, replace Penn Virginia’s existing bank credit facility, which had $321 million drawn and outstanding as of December 31, 2018, and pay fees and expenses.

Note 15. Subsequent Events

Penn Virginia Merger Agreement

On October 28, 2018, we entered into a definitive Agreement and Plan of Merger (the “Merger Agreement”) with Penn Virginia Corporation (NASDAQ: PVAC) (“Penn Virginia”), the closing of which is subject to approval by shareholders of Penn Virginia and Denbury’s stockholders and other conditions. The Merger Agreement provides for each share of Penn Virginia common stock (“Penn Virginia Common Stock”), issued and outstanding immediately prior to the effective time of the merger (other than as described in the Merger Agreement) to be converted into the right to receive, at the election of the holder of such share of Penn Virginia Common Stock, either, (i) $25.86 in cash without interest and 12.4 shares of the Company’s common stock (“Denbury Common Stock”), (ii) $79.80 in cash without interest (the “Cash Election”), or (iii) 18.3454 shares of Denbury Common Stock (the “Stock Election”). The Cash and Stock Elections are to be subject to proration to ensure that the total amount of cash paid to holders of Penn Virginia Common Stock is equal to $400 million. In the aggregate, $400 million in cash and approximately 191.8 million shares of Denbury Common Stock are expected to be paid as merger consideration. Consummation of the merger is subject to satisfaction of customary conditions. Denbury and Penn Virginia each scheduled April 17, 2019 as the date for their respective upcoming special stockholder meetings, at which time shareholders will vote on, among other items, the merger of Penn Virginia with and into Denbury.

October 2018 Financing Commitment Letter

In connection with the Merger Agreement, Denbury received a commitment letter from JPMorgan Chase Bank, N.A., subject to certain funding conditions, for a proposed new $1.2 billion senior secured revolving credit facility with a maturity date of December 9, 2021 and a $400 million senior secured second lien bridge facility to be available to the extent Denbury does not secure alternate financing prior to April 30, 2019. These two new debt financings are expected to be used to fully or partially fund the $400 million cash portion of the consideration in the acquisition, potentially retire and replace Penn Virginia’s $200 million second lien term loan, replace Penn Virginia’s existing bank credit facility, which had $321 million drawn and outstanding as of December 31, 2018, and pay fees and expenses.