Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenues and other income
Oil, natural gas, and related product sales	$ 2,409,867	$ 2,269,151	$ 1,793,292
CO2 sales and transportation fees	26,453	22,711	19,204
Gain on sale of interests in Genesis	0	0	101,537
Interest income and other income	20,152	17,462	7,758
Total revenues and other income	2,456,472	2,309,324	1,921,791
Expenses
Lease operating expenses	532,359	507,397	470,364
Marketing expenses	52,836	26,047	31,036
CO2 discovery and operating expenses	14,694	14,258	7,801
Taxes other than income	160,016	147,534	120,541
General and administrative expenses	144,019	125,525	134,121
Interest, net of amounts capitalized of $77,432, $61,586 and $66,815, respectively	153,581	164,360	176,113
Depletion, depreciation and amortization	507,538	409,196	434,307
Derivatives expense (income)			(23,833)
Loss on early extinguishment of debt	0	16,131	0
Transaction and other costs related to the Encore Merger	0	4,377	92,271
Impairment of assets	17,515	22,951	0
Other expenses	21,891	0	0
Total expenses	1,599,615	1,385,279	1,442,721
Income before income taxes	856,857	924,045	479,070
Income tax provision	331,497	350,712	193,543
Consolidated net income	525,360	573,333	285,527
Net income attributable to noncontrolling interest	0	0	(13,804)
Net income attributable to Denbury stockholders	$ 525,360	$ 573,333	$ 271,723
Net income per common share - basic	$ 1.36	$ 1.45	$ 0.73
Net income per common share - diluted	$ 1.35	$ 1.43	$ 0.72
Weighted average common shares outstanding
Basic	385,205	396,023	370,876
Diluted	388,938	400,958	376,255