Financing Activities - Future Minimum Lease Payments under Capital Lease (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Leases [Abstract]
2013 remaining	$ 97
2014	410
2015	410
2016	410
2017	410
Thereafter	9,673
Total minimum lease payments	11,410
Less amounts representing interest	7,240
Present value of net minimum lease payments	$ 4,170

Amount of minimum lease payments for capital leases.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

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Amount of minimum lease payments maturing in the fifth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the forth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the third fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the second fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing after the fifth fiscal year following the latest fiscal year for capital leases.

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Amount necessary to reduce net minimum lease payments to present value for capital leases.

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Amount of minimum lease payments maturing in the remainder of the fiscal year following the latest fiscal year ended for capital leases.

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