Share Repurchase (Narrative) (Details) (USD $)	0 Months Ended	3 Months Ended		4 Months Ended
	Dec. 03, 2012	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013
Equity [Abstract]
Stock repurchase program, authorized amount	$ 10,000,000
Treasury stock, shares acquired		50,150		90,455
Treasury stock acquired, average cost per share		$ 10.22		$ 10.51
Purchase of treasury shares		513,000	0	1,000,000
Stock repurchase program, remaining authorized repurchase amount		$ 9,000,000