Commitments and Contingencies - Non-cancellable Lease Terms (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Commitments And Contingencies Disclosure [Abstract]
Abandoned Lease, 2013	$ 449
Abandoned Lease, 2014	449
Abandoned Lease, 2015	337
Abandoned Lease, 2016
Abandoned Lease, Thereafter
Abandoned Lease, Total	1,235
Operating Leases, 2013	1,152
Operating Leases, 2014	1,047
Operating Leases, 2015	723
Operating Leases, 2016	5
Operating Leases, Thereafter
Operating Leases, Total	$ 2,927

Abandoned leases future minimum payments due.

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Abandoned leases future minimum payments due current.

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Abandoned leases, future minimum payments due in four years.

+ References

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Abandoned leases, future minimum payments due in three years.

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Abandoned leases, future minimum payments due in two years.

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Abandoned leases, future minimum payments due thereafter.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 2

-Subparagraph (a)

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Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments maturing after the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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