CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) (Parenthetical) - $ / shares						3 Months Ended								12 Months Ended
	Jul. 24, 2015	Apr. 24, 2015	Feb. 20, 2015	Oct. 16, 2014	Jul. 25, 2014	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Consolidated Statements of Stockholders' Equity (Deficit)
Cash dividend declared per common share (in dollars per share)	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0	$ 0	$ 0.75	$ 0.50	$ 0.00