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Concentration Of Credit Risk (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
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Concentration Of Credit Risk [Abstract] |  |
Accounts secured by FDIC | 100.00% |
Uninsured cash balances | $ 1,475 | $ 398

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- Definition Accounts Secured By The Federal Deposit Insurance Corporation + References No definition available. + Details
Name: | cik0001275101_AccountsSecuredByFederalDepositInsuranceCorporation
Namespace Prefix: | cik0001275101_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation. + References No definition available. + Details
Name: | us-gaap_CashUninsuredAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
Name: | us-gaap_RisksAndUncertaintiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration