Subsequent Events (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	9 Months Ended
Oct. 27, 2014	Sep. 30, 2014
Subsequent Event [Line Items]
Stock repurchase program, authorized amount	$ 5.0	$ 6.0
Subsequent Event [Member]
Subsequent Event [Line Items]
Stock repurchase program, authorized amount	$ 5.0

Amount of a stock repurchase plan authorized by an entity's Board of Directors.

No definition available.

Name:	us-gaap_StockRepurchaseProgramAuthorizedAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration