Amount received for settlement of certain legal proceedings and grant of permanent easement.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Amount received less related fees for settlement of certain legal proceedings and grant of permanent easement.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Details

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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

The per share amount of a dividend declared, but not paid, as of the financial reporting date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 32

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Date the dividend to be paid was declared, in CCYY-MM-DD format.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
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Period Type:	duration

- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
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Subsequent event and dividends (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	1 Months Ended
	Oct. 31, 2012	Nov. 30, 2012 Subsequent Event [Member]	Sep. 30, 2012 Subsequent Event [Member]
Loss Contingencies [Line Items]
Amount received for settlement of certain legal proceedings and grant of permanent easement			$ 2,625
Amount received less related fees for settlement of certain legal proceedings and grant of permanent easement		$ 2,605
Subsequent event and dividends (Textual) [Abstract]
Dividend declared	$ 0.04
Dividend payable, declared	Oct. 31, 2012
Dividends payable date on record	Nov. 14, 2012
Outstanding common stock payable date	Nov. 28, 2012