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The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Trading Securities which consist of all investments in certain debt and equity securities that are bought and held principally for the purpose of selling them in the near term (thus held for only a short period of time) or for which an entity has elected the fair value option. Trading generally reflects active and frequent buying and selling, and trading securities are generally used with the objective of generating profits on short-term differences in price, but this category of investments may also include items which are not intended to be sold in the near term or for which the fair value option has been elected.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 25

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7534914&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 12

-Subparagraph a

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Trading Securities

-URI http://asc.fasb.org/extlink&oid=6526789

+ Details

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

- Definition

The fair value of bank owned life insurance disclosed.

+ References

No definition available.

+ Details

Name:	wcbo_BankOwnedLifeInsuranceFairValueDisclosure
Namespace Prefix:	wcbo_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

Fair value of junior subordinated debenture owed to unconsolidated subsidiary trust fair value disclosure.

+ References

No definition available.

+ Details

Name:	wcbo_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrustFairValueDisclosure
Namespace Prefix:	wcbo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any but excludes junior subordinated debentures.

+ References

No definition available.

+ Details

Name:	wcbo_LongTermDebtExcludingJuniorSubordinatedDebentures
Namespace Prefix:	wcbo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Fair value of long term debt excluding junior subordinated debentures.

+ References

No definition available.

+ Details

Name:	wcbo_LongTermDebtExcludingJuniorSubordinatedDebenturesFairValueDisclosure
Namespace Prefix:	wcbo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The value for short term borrowings.

+ References

No definition available.

+ Details

Name:	wcbo_ShortTermBorrowingsCarryingValue
Namespace Prefix:	wcbo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	wcbo_Shorttermborrowingsfairvalue
Namespace Prefix:	wcbo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

FAIR VALUE MEASUREMENT AND FAIR VALUES OF FINANCIAL INSTRUMENTS (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2010
FINANCIAL ASSETS:
Carrying Value, Cash and cash equivalents	$ 110,887	$ 92,227	$ 90,246	$ 177,991
Carrying Value, Trading securities	793	747
Carrying Value, Investment securities	708,884	729,844
Carrying Value, Federal Home Loan Bank stock	12,148	12,148
Carrying Value, Loans held for sale	0	3,281
Carrying Value, Net loans (net of allowance for loan losses)	1,462,665	1,469,370
Carrying Value, Bank owned life insurance	26,646	26,228
Fair Value, Cash and cash equivalents	110,887	92,227
Fair Value, Trading securities	793
Fair Value, Investment securities	708,884	729,844
Fair Value, Federal Home Loan Bank stock	12,148	12,148
Fair Value, Loans held for sale	0
Fair Value, Net loans (net of allowance for loan losses)	1,428,836	1,394,586
Fair Value, Bank owned life insurance	26,646	26,228
FINANCIAL LIABILITIES:
Carrying Value, Deposits	1,876,885	1,915,569	1,930,997
Carrying Value, Short-term borrowings	15,000
Carrying Value, Long-term borrowings	112,900	120,000
Carrying Value, Junior subordinated debentures-variable	51,000	51,000
Fair Value, Deposits	1,877,012	1,916,030
Fair Value, Short-term borrowings	15,000
Fair Value, Long-term borrowings	113,539	120,032
Fair Value, Junior subordinated debentures-variable	27,133	27,350
Fair Value, Inputs, Level 1 [Member]
FINANCIAL ASSETS:
Fair Value, Cash and cash equivalents	110,887
Fair Value, Trading securities	793
Fair Value, Investment securities	1,978
Fair Value, Federal Home Loan Bank stock	0
Fair Value, Loans held for sale	0
Fair Value, Net loans (net of allowance for loan losses)	0
Fair Value, Bank owned life insurance	0
FINANCIAL LIABILITIES:
Fair Value, Deposits	0
Fair Value, Long-term borrowings	0
Fair Value, Junior subordinated debentures-variable	0
Fair Value, Inputs, Level 2 [Member]
FINANCIAL ASSETS:
Fair Value, Cash and cash equivalents	0
Fair Value, Trading securities	0
Fair Value, Investment securities	698,528
Fair Value, Federal Home Loan Bank stock	12,148
Fair Value, Loans held for sale	0
Fair Value, Net loans (net of allowance for loan losses)	0
Fair Value, Bank owned life insurance	26,646
FINANCIAL LIABILITIES:
Fair Value, Deposits	1,877,012
Fair Value, Short-term borrowings	15,000
Fair Value, Long-term borrowings	113,539
Fair Value, Junior subordinated debentures-variable	27,133
Fair Value, Inputs, Level 3 [Member]
FINANCIAL ASSETS:
Fair Value, Cash and cash equivalents	0
Fair Value, Trading securities	0
Fair Value, Investment securities	8,378
Fair Value, Federal Home Loan Bank stock	0
Fair Value, Loans held for sale	0
Fair Value, Net loans (net of allowance for loan losses)	1,428,836
Fair Value, Bank owned life insurance	0
FINANCIAL LIABILITIES:
Fair Value, Deposits	0
Fair Value, Long-term borrowings	0
Fair Value, Junior subordinated debentures-variable	$ 0