15. Derivative Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014
Cash Flow Hedge Derivative Notional Amount	$ 70,000
Cash Flow Hedge Derivative Assets Fair Value
Cash Flow Hedge Derivative Liability Fair Value	408
Cash Flow Hedge Derivative Net ineffective hedge gain losses
Long-term Debt [Member]
Cash Flow Hedge Derivative Notional Amount	70,000
Cash Flow Hedge Derivative Assets Fair Value
Cash Flow Hedge Derivative Liability Fair Value	408
Cash Flow Hedge Derivative Net ineffective hedge gain losses

Cash Flow Hedge Derivative Liability Notional Amount.

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- Definition

Cash Flow Hedge Derivative Net Ineffective Hedge Gain Losses Accumulated.

+ References

No definition available.

+ Details

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- Definition

Fair value of all asset 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=7476318&loc=SL5624163-113959

+ Details

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- Definition

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

+ References

+ Details

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