Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenues:
Drilling Services Revenue	$ 117,957	$ 133,074
Production Services Revenue	121,077	96,596
Revenues	239,034	229,670
Costs and expenses:
Drilling Services Costs and Expenses	76,338	88,986
Production Services Costs and Expenses	77,752	60,619
Depreciation and amortization	45,526	46,285
General and administrative	24,483	23,054
Bad debt expense (recovery)	(124)	281
Total costs and expenses	223,975	219,225
Income from operations	15,059	10,445
Other (expense) income:
Interest expense	(12,388)	(11,462)
Loss on extinguishment of debt	(7,887)	0
Other	2,674	(821)
Total other expense	(17,601)	(12,283)
Loss before income taxes	(2,542)	(1,838)
Income tax benefit (expense)	(37)	546
Net loss	$ (2,579)	$ (1,292)
Loss per common share - Basic (USD per share)	$ (0.04)	$ (0.02)
Loss per common share - Diluted (USD per share)	$ (0.04)	$ (0.02)
Weighted average number of shares outstanding - Basic	62,542	61,967
Weighted-average number of shares outstanding - Diluted	62,542	61,967