Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized (in shares)	20,000,000	20,000,000
Common stock, issued (in shares)	12,856,716	12,825,468
Common stock, outstanding (in shares)	12,836,711	12,821,768
Treasury shares (in shares)	20,005	3,700