Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Common stock, par value (in $ per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares issued (in shares)	9,613,088	9,551,274
Common stock, shares outstanding (in shares)	8,398,944	8,975,833
Treasury stock, shares (in shares)	1,214,144	575,441