Subsequent Events (Details) (Subsequent event, USD $)	Jan. 01, 2013
Minimum
Subsequent Events
Combined total insured amount for noninterest bearing deposits and interest bearing deposits	$ 250,000
Maximum
Subsequent Events
Cash and cash equivalents account balance per financial institution insured by the Federal Deposit Insurance Corporation	$ 250,000

The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation.

No definition available.

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