Share Repurchase (Narrative) (Details) (USD $)	9 Months Ended		0 Months Ended	9 Months Ended	10 Months Ended	0 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Dec. 03, 2012 December 2012 Share Repurchase Agreement	Sep. 30, 2013 December 2012 Share Repurchase Agreement	Sep. 30, 2013 December 2012 Share Repurchase Agreement	Aug. 15, 2013 August 2013 Share Repurchase Agreement	Sep. 30, 2013 August 2013 Share Repurchase Agreement
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount			$ 10,000,000			$ 7,013,838
Treasury stock, shares acquired				261,863	302,178		11,216
Treasury stock acquired, average cost per share				$ 9.71	$ 9.90		$ 9.93
Purchase of treasury shares	2,654,000	2,805,000		2,600,000	3,000,000		100,000
Stock repurchase program, remaining authorized repurchase amount							$ 6,900,000