Share Repurchase (Narrative) (Details) (USD $)	9 Months Ended		0 Months Ended	7 Months Ended	9 Months Ended	0 Months Ended	5 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Dec. 03, 2012 December 2012 Share Repurchase Agreement [Member]	Jun. 30, 2013 December 2012 Share Repurchase Agreement [Member]	Sep. 30, 2013 December 2012 Share Repurchase Agreement [Member]	Aug. 15, 2013 August 2013 Share Repurchase Agreement [Member]	Dec. 31, 2013 August 2013 Share Repurchase Agreement [Member]
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount			$ 10,000,000.0			$ 7,013,838
Treasury stock, shares acquired				302,178	261,863		127,510
Purchase of treasury shares	$ 0	$ 2,654,000		$ 3,000,000	$ 2,600,000		$ 1,300,000