Line of Credit Facility, Covenants, Subsidiary Ownership Percentage Securing Facility

No definition available.

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Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.7)

-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 7

-Article 9

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_LineOfCreditFacilityLineItems
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Balance Type:	na
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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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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Period Type:

Line of Credit (Details) (USD $)	12 Months Ended			0 Months Ended
Line of Credit (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Oct. 09, 2014
Line of Credit Facility [Line Items]
Total interest expense on borrowings	$ 0	$ 23,000	$ 200,000
Line of Credit [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity				55,000,000
Line of Credit [Member] \| US Bank [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate				1.25%
Line of Credit [Member] \| US Bank [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate				1.75%
Line of Credit [Member] \| US Bank [Member] \| Base rate [Member] \| Minimum [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate				0.00%
Line of Credit [Member] \| US Bank [Member] \| Base rate [Member] \| Maximum [Member]
Line of Credit Facility [Line Items]
Basis spread on variable rate				0.50%
Line of Credit [Member] \| US Bank [Member] \| Enson [Member]
Line of Credit Facility [Line Items]
Subsidiary ownership percentage securing facility				65.00%
Letter of Credit [Member]
Line of Credit Facility [Line Items]
Letter of credit outstanding amount	$ 13,000