Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2014

Accounting Policies [Abstract]

Reconciliations of basic and diluted distributed and undistributed earnings (loss) per common share

	Three Months Ended   June 30,		Six Months Ended   June 30,
	2014	2013	2014	2013
Weighted average common shares outstanding
Basic	68,531	55,839	67,108	55,729
Dilutive effect of options and restricted stock units	689	98	663	90
Diluted weighted average common shares outstanding	69,220	55,937	67,771	55,819