Note 6. Interest Rate Swap Derivatives (Details) - Pre-tax Net Gains (Losses) of the Company’s Cash Flow Hedges	6 Months Ended
Jun. 30, 2015 USD ($)
Derivative Instruments, Gain (Loss) [Line Items]
Ineffective portion recognized in income on derivatives	$ 0
Interest Rate Swap 1 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pre-tax gain {loss} recognized in OCI	$ 521,000
Effective portion amount of gain (loss)
Ineffective portion recognized in income on derivatives
Interest Rate Swap 2 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pre-tax gain {loss} recognized in OCI	$ 1,302,000
Interest Rate Swap 3 [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of pre-tax gain {loss} recognized in OCI	$ 1,358,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as 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 4C

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

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- Definition

The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 25

-Section 50

-Paragraph 1

-Subparagraph (a)(1),(2)

-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

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- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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