Short-Term Borrowings and Long-Term Debt (Narrative) (Details) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Percentage of the long term debt exercised or expired	100.00%	100.00%
Long term debt exercised or expired	$ 74,700,000tcfc_LongTermDebtExercisedOrExpired	$ 70,500,000tcfc_LongTermDebtExercisedOrExpired
Line of credit facility, fair value of amount outstanding	0	0
Short-term loan	2,000,000us-gaap_OtherShortTermBorrowings
Due in 2015	19,000,000
Fixed Rate Advances [Member]
Debt Instrument [Line Items]
Interest rate	3.22%
Debt paid off	750,000
Fixed rate advances revised maturity period	5 years
Third Fixed Rate Convertible Advance Matures in 2017 [Member]
Debt Instrument [Line Items]
Debt instrument maturity year		2017
Interest rate		0.87%
Debt conversion, original debt, amount		10,000,000
First Fixed Rate Convertible Advance Matures in 2016 [Member]
Debt Instrument [Line Items]
Debt instrument maturity year	2016
Interest rate	0.52%
Debt conversion, original debt, amount	5,000,000
First Fixed Rate Convertible Advance Matures in 2015 [Member]
Debt Instrument [Line Items]
Debt instrument maturity year	2015	2015
Interest rate	0.31%	0.41%
Debt conversion, original debt, amount	2,000,000	5,000,000
Federal Reserve Bank Of Richmond [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	10,800,000
Line of credit facility, fair value of amount outstanding	0
Other Commercial Banks [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	12,000,000
Line of credit facility, fair value of amount outstanding	0
Fixed Rate Convertible Advances [Member]
Debt Instrument [Line Items]
Debt instrument maturity year	2020
Debt conversion, converted instrument, rate	4.00%	4.00%
Federal Home Loan Bank Borrowings [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	188,600,000
Security owned and pledged as collateral, fair value	345,000,000
FHLB lendable collateral	265,300,000
FHLB lendable pledged collateral	188,000,000
Line of credit facility, current borrowing capacity	111,300,000
Line of credit facility, fair value of amount outstanding	76,700,000
FHLB lendable unpledged collateral	77,300,000
Maximum [Member] \| Fixed Rate Convertible Advances [Member]
Debt Instrument [Line Items]
Variable convertible debt maturity period	5 years
Minimum [Member] \| Fixed Rate Convertible Advances [Member]
Debt Instrument [Line Items]
Variable convertible debt maturity period	6 months
Advances and Security Agreement [Member]
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 312,200,000
Percentage of assets limited to maximum borrowing capacity	30.00%

Debt instrument maturity year

No definition available.

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- Definition

Federal home loan bank lenable for the period.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Federal home loan bank borrowings for the period.

+ References

No definition available.

+ Details

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- Definition

Federal home loan bank unpledged collateral for the period.

+ References

No definition available.

+ Details

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- Definition

Represents the fixed rate advances revised maturity period.

+ References

No definition available.

+ Details

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- Definition

Long term debt exercised or expired for the period.

+ References

No definition available.

+ Details

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- Definition

Percentage Of Assets Limited To Maximum Borrowing Capacity for the period.

+ References

No definition available.

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- Definition

Percentage of long term debt exercised or expired during the year.

+ References

No definition available.

+ Details

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- Definition

Reflects the variable convertible debt maturity period.

+ References

No definition available.

+ Details

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- Definition

Dividend or interest rate associated with the financial instrument issued in exchange for the original debt being converted in a noncash or part noncash transaction. Noncash are transactions that affect recognized assets or liabilities but that do not result in cash receipts or cash payments. Part noncash refers to that portion of the transaction not resulting in cash receipts or cash payments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 5

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- Definition

The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

+ Details

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- Definition

The effective interest rate at the end of the reporting period.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 30

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-Subparagraph (SX 210.5-02.22(a)(1))

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- Details

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- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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- Definition

Fair value of the amount outstanding under the credit facility.

+ References

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-SubTopic 10

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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- Definition

Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year.

+ References

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- Definition

Sum of the carrying amounts at the balance sheet date of short-term borrowings not otherwise specified in the taxonomy having initial terms less than one year or the normal operating cycle, if longer.

+ References

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- Definition

Fair value of financial instrument held by the entity for its own account (proprietary securities) for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions.

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