Contractual Maturities on Finance Lease Receivable (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Capital Leases Of Lessor [Abstract]
Contractual maturities, 2014	$ 3,921
Contractual maturities, 2015	3,939
Contractual maturities, 2016	1,048
Total	$ 8,908

Amount of minimum lease payments to be received by the lessor 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 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496975&loc=d3e45377-112738

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- Definition

Amount of minimum lease payments to be received by the lessor in the next fiscal year following the latest fiscal year for capital leases.

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- Definition

Amount of minimum lease payments to be received by the lessor in the third fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments to be received by the lessor in the second fiscal year following the latest fiscal year for capital leases.

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