Stockholders' Equity - Reconciliation of beginning and ending common stock outstanding (Details)	0 Months Ended			9 Months Ended	12 Months Ended
	Jul. 19, 2013	Sep. 30, 2013	Dec. 31, 2012	Sep. 30, 2013 Common Stock [Member]	Dec. 31, 2012 Common Stock [Member]
Reconciliation of the beginning and ending common stock outstanding
Balance, beginning of period		95,873,000	87,514,000	87,514,336	77,843,883
Issuance of common stock	3,000,000			8,280,789	9,275,895
Nonvested share-based awards, net				77,610	394,558
Balance, end of period		95,873,000	87,514,000	95,872,735	87,514,336