Condensed Consolidated Statements of Equity/Capital (Unaudited) (Parenthetical) - shares	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Statement of Stockholders' Equity [Abstract]
Issuances of common and restricted stock, shares	272,498	241,188
Cancellation of restricted common stock, shares	40,238	28,563