Stock-Based Compensation (Narrative) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012
Stock-Based Compensation [Abstract]
Unrecognized compensation cost	$ 2.2

Aggregate unrecognized cost of option awards made to employees under a stock option plan or plans, that have yet to vest.

No definition available.

Name:	us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant