Earnings Per Share (Details) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Diluted earnings per share:
Weighted average shares outstanding	13,010	12,815	13,020	12,838
Employee and director stock options
Weighted average shares assuming dilution	13,010	12,815	13,020	12,838