Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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- Definition

The fair value of available-for-sale securities that serve as collateral for borrowings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5086-111524

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- Definition

Fair value of all liability derivatives designated as cash flow hedging instruments.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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- Definition

Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

+ References

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- Definition

Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 10A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580

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Notes Payable and Long-Term Debt (Narrative) (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	May 26, 2010	Mar. 19, 2009	Dec. 31, 2009	Dec. 31, 2010
Debt Instrument [Line Items]
Derivative, Notional Amount				$ 9,000,000invest_DerivativeNotionalAmount	$ 3,000,000invest_DerivativeNotionalAmount
Derivative, fixed interest rate				8.49%us-gaap_DerivativeFixedInterestRate	7.02%us-gaap_DerivativeFixedInterestRate
Cash flow hedge, derivative instrument liabilities at fair value	1,415,000		1,238,000
Unrealized loss on interest rate swap	117,000	76,000	412,000
Available-for-sale securities pledged as collateral	1,518,000		1,494,000
Interest Rate Swap [Member]
Debt Instrument [Line Items]
Cash flow hedge, liability at fair value						274,000
Cash Flow Hedging [Member]
Debt Instrument [Line Items]
Cash flow hedge, liability at fair value							$ 1,141,000