Fair Value of Financial Instruments (Fair Value, by Balance Sheet Grouping) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Assets
Investment securities - AFS, carrying amount	$ 41,939us-gaap_AvailableForSaleSecurities	$ 48,247us-gaap_AvailableForSaleSecurities
Investment securities - HTM, carrying amount	84,506	86,401
Federal Home Loan Bank and Federal Reserve stock, carrying amount	6,434	5,593
Loans, carrying amount	862,409	799,130
Loans held for sale, carrying amount	0us-gaap_LoansReceivableHeldForSaleNet	0us-gaap_LoansReceivableHeldForSaleNet
Investment in BOLI, carrying amount	27,021us-gaap_BankOwnedLifeInsurance	19,350us-gaap_BankOwnedLifeInsurance
Securities available for sale (AFS), at fair value	41,939us-gaap_AvailableForSaleSecurities	48,247us-gaap_AvailableForSaleSecurities
Investment securities - HTM, fair value	84,915	86,091
Federal Home Loan Bank and Federal Reserve stock, fair value	6,434	5,593
Loans, fair value	861,427	793,449
Investments in BOLI, fair value	27,021tcfc_BankOwnedLifeInsuranceFairValue	19,350tcfc_BankOwnedLifeInsuranceFairValue
Liabilities
Savings, NOW and money market accounts, carrying amount	483,973	433,984
Time deposits, carrying amount	385,411us-gaap_TimeDeposits	387,311us-gaap_TimeDeposits
Long-term debt, carrying amount	74,672us-gaap_OtherLongTermDebt	70,476us-gaap_OtherLongTermDebt
Short term borrowings, carrying amount	2,000us-gaap_ShortTermBorrowings
Guaranteed preferred beneficial interest in junior subordinated debentures, carrying amount	12,000us-gaap_JuniorSubordinatedNotes	12,000us-gaap_JuniorSubordinatedNotes
Savings, NOW and money market accounts, fair value	483,973	433,984
Time deposits, fair value	386,510tcfc_TimeCertificatesFairValue	389,705tcfc_TimeCertificatesFairValue
Long-term debt, fair value	77,919us-gaap_LongTermDebtFairValue	71,960us-gaap_LongTermDebtFairValue
Short term borrowings, fair value	2,000us-gaap_ShorttermDebtFairValue
Guaranteed preferred beneficial interest in junior subordinated debentures, fair value	7,400tcfc_JuniorSubordinatedNotesFairValue	2,400tcfc_JuniorSubordinatedNotesFairValue
Fair Value, Inputs, Level 1 [Member]
Assets
Investment securities - HTM, fair value	850	750
Fair Value, Inputs, Level 2 [Member]
Assets
Investment securities - AFS, carrying amount	41,939	48,247
Securities available for sale (AFS), at fair value	41,939	48,247
Investment securities - HTM, fair value	84,065	85,341
Federal Home Loan Bank and Federal Reserve stock, fair value	6,434	5,593
Loans, fair value	861,427	793,449
Investments in BOLI, fair value	27,021	19,350
Liabilities
Savings, NOW and money market accounts, fair value	483,973	433,984
Time deposits, fair value	386,510	389,705
Long-term debt, fair value	77,919	71,960
Short term borrowings, fair value	2,000
Guaranteed preferred beneficial interest in junior subordinated debentures, fair value	$ 7,400	$ 2,400

Bank Owned Life Insurance, Fair Value

No definition available.

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- Definition

The fair value of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts.

+ References

No definition available.

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- Definition

Fair value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments.

+ References

No definition available.

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- Definition

The fair value of time certificate.

+ References

No definition available.

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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- Definition

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.

+ References

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- Definition

Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts. Also includes amount of deposits in interest-bearing transaction accounts at banks or savings and loans, that are restricted in regard to ownership and can usually only be held by individuals, nonprofit entities and governments. Negotiable order of withdrawal accounts differ from money market demand accounts as they typically have higher reserve requirements and no limit on the number of checks that can be written.

+ References

No definition available.

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- Definition

Amount of Federal Home Loan Bank (FHLB) and Federal Reserve Bank stock.

+ References

No definition available.

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- Definition

Amount before other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

+ References

No definition available.

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Fair value of investments in debt securities classified as held-to-maturity.

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- Definition

Fair value portion of investments in Federal Home Loan Bank (FHLBank) stock.

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments.

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- Definition

Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

+ References

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- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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- Definition

Amount of loans held for sale, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

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- Definition

The fair value amount of long-term debt 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.

+ References

No definition available.

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- Definition

Including both current and noncurrent portions, carrying amount as of the balance sheet date of other forms of debt not elsewhere specified in the taxonomy with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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-Section 02

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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- Definition

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 the amount of short-term debt existing as of the balance sheet date.

+ References

No definition available.

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- Definition

Amount of deposits that cannot be withdrawn before a set date without penalty or for which notice of withdrawal is required. Time deposits include, but are not limited to, certificates of deposits, individual retirement accounts and open accounts.

+ References

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