Stock Plans and Other Incentives - Total Compensation Cost (Detail) $ in Thousands	Dec. 31, 2016 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
2017	$ 1,463
2018	858
2019	77
2020	0
Total compensation cost	2,398
Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
2017	31
2018	31
2019	12
2020	0
Total compensation cost	74
RSU [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
2017	1,432
2018	827
2019	65
2020	0
Total compensation cost	$ 2,324

Employee Service Share Based Compensation Non Vested Awards Compensation Cost To Be Recognized In Year Four

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Employee service share based compensation non vested awards compensation cost to be recognized.

+ References

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Employee service share based compensation non vested awards compensation cost to be recognized.

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Employee service share based compensation non vested awards compensation cost to be recognized in year two.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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