Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2012

Commitments and Contingencies Disclosure [Abstract]

Schedule Future minimum payments under noncancelable leases

Future minimum payments under noncancelable leases at December 31, 2012, are as follows:

	Leases
	Capital(a)		Operating(b)		Total
	(In thousands)
2013	$	1,083	$	3,960	$	5,043
2014	609		3,819		4,428
2015	209		3,843		4,052
Thereafter	—		3,865		3,865
Total minimum lease payments	$	1,901	$	15,487	$	17,388

(a) Relates to vehicle leases.

(b) Includes leases for two drilling rigs.