Share Repurchase (Narrative) (Details) - USD ($)	1 Months Ended	6 Months Ended		8 Months Ended
	Aug. 06, 2015	Jun. 30, 2015	Jun. 30, 2014	Aug. 05, 2015	Dec. 16, 2014
Equity, Class of Treasury Stock [Line Items]
Purchase of treasury shares		$ 4,551,000	$ 0
December 2014 Share Repurchase Agreement [Member]
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount					$ 8,000,000.0
Treasury stock, shares acquired		468,456
Purchase of treasury shares		$ 4,500,000
Stock repurchase program, remaining authorized repurchase amount		$ 3,500,000
December 2014 Share Repurchase Agreement [Member] | Subsequent Event [Member]
Equity, Class of Treasury Stock [Line Items]
Treasury stock, shares acquired	33,621			502,077
Purchase of treasury shares	$ 400,000			$ 4,900,000
Stock repurchase program, remaining authorized repurchase amount				$ 3,100,000