Basis of Presentation (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Basis of Presentation
Ownership interest in subsidiaries (as a percent)	100.00%
Assets of TRSs	$ 50,119
Liabilities of TRSs	$ 7,396

Represents the percentage of ownership held in the subsidiary either directly or indirectly.

No definition available.

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- Details

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- Definition

The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (bb)

-URI http://asc.fasb.org/extlink&oid=7880789&loc=d3e5710-111685

+ Details

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- Definition

The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

+ References

+ Details

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