Commitments and Contingencies - Lease Obligations (Detail) $ in Thousands	12 Months Ended
Dec. 31, 2015 USD ($)
Commitments and Contingencies Disclosure [Abstract]
2016	$ 771
2017	776
2018	702
2019	474
2020	484
Thereafter	1,112
Total minimum lease payments	4,319
2016	30
2017	0
2018	0
2019	0
2020	0
Thereafter	0
Total minimum lease payments	30
Less: Amount representing interest	(1)
Capital lease obligation	$ 29

Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 7