Note 20 - Wealth Management Transactions (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013
Subsequent Events [Text Block]
Assets under Management, Carrying Amount	$ 195

The carrying amount of assets an investment adviser manages on behalf of investors.

No definition available.

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