The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 32
-URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953670-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953676-111524

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6951948&loc=d3e18845-111554

Name:	us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix:	us-gaap
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Allowance for Non-Covered Loan Loss and Credit Quality (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2011 Maximum [Member]	Jun. 30, 2011 Minimum [Member]	Jun. 30, 2011 Restructured Loans [Member]	Dec. 31, 2010 Restructured Loans [Member]
Unallocated allowance, maximum percentage	10.00%
Secured loan portfolio, percentage	80.00%
External appraisal		9	6
Loans past due as to maturity	90
Financing Receivable, Modifications, Recorded Investment				$ 81.0	$ 84.4
Percentage of loan collateral balance	100.00%