Condensed Consolidated Balance Sheets (Parenthetical) - $ / shares	Mar. 31, 2016	Dec. 31, 2015
Preferred stock, par value (in dollars per share)	$ 0.0001000	$ 0.0001000
Preferred stock, authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	0.00000	0.00000
Common stock, par value (in dollars per share)	$ 0.0001000	$ 0.0001000
Common stock, authorized (in shares)	100,000,000	100,000,000
Common stock, shares issued (in shares)	24,194,990.00	24,193,098.000
Treasury stock, shares (in shares)	7,089,675.000	6,380,309.000