Share Repurchase (Narrative) (Details) - USD ($)	4 Months Ended	5 Months Ended	6 Months Ended
	Jun. 30, 2016	Aug. 02, 2016	Jun. 30, 2016	Jun. 30, 2015	Mar. 15, 2016
Class of Stock [Line Items]
Stock repurchase program, authorized amount					$ 10,000,000.0
Treasury stock, shares acquired (shares)	188,905
Purchase of treasury shares	$ 1,900,000		$ 1,871,000	$ 4,551,000
Stock repurchase program, remaining authorized repurchase amount	$ 8,100,000		$ 8,100,000
Subsequent Event [Member]
Class of Stock [Line Items]
Treasury stock, shares acquired (shares)		198,822
Purchase of treasury shares		$ 2,000,000
Stock repurchase program, remaining authorized repurchase amount		$ 8,000,000