Commitments and Contingencies - Commitments for Minimum Rentals under Non-cancelable Leases (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Commitments and Contingencies Disclosure [Abstract]
Operating Leases, 2015	$ 2,383
Operating Leases, 2016	1,885
Operating Leases, 2017	1,644
Operating Leases, 2018	1,669
Operating Leases, 2019	1,684
Operating Leases, Thereafter	1,971
Operating Leases, Minimum Payments, Total	11,236
Lease Obligation, 2015	922
Lease Obligation, 2016	931
Lease Obligation, 2017	940
Lease Obligation, 2018	950
Lease Obligation, 2019	959
Lease Obligation, Thereafter	1,079
Lease Obligation, Minimum Payments, Total	5,781
Less amount representing interest	(1,164)
Present value of lease obligation	4,617
Less current portion	(585)	$ (509)
Long-term lease obligation	$ 4,032

Current portion of lease obligation.

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- Definition

Lease obligation future minimum payments due current.

+ References

No definition available.

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- Definition

Lease obligation future minimum payments interest included in payments.

+ References

No definition available.

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- Definition

Lease obligation, net of current portion.

+ References

No definition available.

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- Definition

Leases obligation future minimum payments due.

+ References

No definition available.

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- Definition

Leases obligation future minimum payments due in five years.

+ References

No definition available.

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- Definition

Leases obligation future minimum payments due in four years.

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No definition available.

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- Definition

Leases obligation future minimum payments due in three years.

+ References

No definition available.

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- Definition

Leases obligation future minimum payments due in two years.

+ References

No definition available.

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Leases obligation future minimum payments due thereafter.

+ References

No definition available.

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- Definition

Present value of future minimum lease obligations.

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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)
-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

Reference 2: 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

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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