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Loans, Allowance For Loan Losses And OREO (Schedule Of Defaults During Stated Period Of Troubled Debt Restructurings) (Details) (Commercial Loan [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012
Commercial Loan [Member]
Number of Contracts	2	4
Recorded Investment	$ 208	$ 798

X

- Definition

Financing receivables, defaults, number of defaults

+ References

No definition available.

+ Details

Name:	cik0001275101_FinancingReceivablesDefaultsNumberOfDefaults
Namespace Prefix:	cik0001275101_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

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- Definition

Financing receivables defaults, recorded investment at default date

+ References

No definition available.

+ Details

Name:	cik0001275101_FinancingReceivablesDefaultsRecordedInvestmentAtDefaultDate
Namespace Prefix:	cik0001275101_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration