Acquisitions (Tables)

9 Months Ended

Sep. 30, 2014

Business Combinations [Abstract]

Schedule of Business Acquisitions, by Acquisition

Total consideration paid (in thousands):

Common shares issued (11,572,918 at $14.98)	$	173,363
Cash	99,059
Warrants (1,588,768 valued at $3.64 per warrant)	5,777
Transaction advisory fees and other acquisition costs	17,642
Total purchase price	295,841
Current liabilities	2,616
Deferred income taxes	114,339
Total liabilities assumed	116,955
Total consideration	$	412,796

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

Estimated fair value of the assets acquired (in thousands):

Cash	$	3,487
Other current assets	635
Mineral interests	408,352
Other assets	322
Total assets acquired	$	412,796