Loans Receivable and Related Allowance for Loan Losses (Details Textual) (USD $)	12 Months Ended
Dec. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 5,600,000	$ 5,400,000	$ 2,500,000
Allowance For Losses Allocated To Loans Classified As Tdrs	513,000	496,000	56,000
Financing Recievable Premium on Purchase	15,000
Financing Receivable Cost of Purchase	11,000emcf_FinancingReceivableCostOfPurchase
Financing Receivable, Net	4,000,000us-gaap_NotesReceivableNet
Four Syndicated National Credits [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Net	1,000,000	3,500,000
Residential Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance For Losses Allocated To Loans Classified As Tdrs		$ 90,000

Allowance for losses allocated to loans classified as TDRs as at the reporting date

No definition available.

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- Definition

Amount of cost incurred on purchase of financing receivable.

+ References

No definition available.

+ Details

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- Definition

Amount of premium on financing receivable at the time of purchase.

+ References

No definition available.

+ Details

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- Details

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- Definition

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

+ References

Reference 1: 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=25495931&loc=d3e18845-111554

+ Details

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- Definition

Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Article 5

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- Details

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