v3.7.0.1

Stock-Based Compensation - Summary of Share Based Compensation Expense (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Stock-based compensation expense: |  |  |  |
Total stock-based compensation expense | $ 1,261 | $ 1,406 | $ 1,816 | $ 2,896
Time-based Restricted Units [Member] |  |  |  |
Stock-based compensation expense: |  |  |  |
Total stock-based compensation expense | 556 | 597 | 1,111 | 1,216
Performance-based Restricted Units [Member] |  |  |  |
Stock-based compensation expense: |  |  |  |
Total stock-based compensation expense | $ 705 | $ 809 | $ 705 | $ 1,680

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- Definition The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Details
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