Property and Equipment - Additional Information (Detail) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Property, Plant and Equipment [Line Items] | ||
| Depreciation, total | $ 12,000,000 | $ 12,400,000 |
| Accumulated depreciation, depletion and amortization, property, plant, and equipment | 170,842,000 | 164,720,000 |
| Capital Lease [Member] | ||
| Property, Plant and Equipment [Line Items] | ||
| Depreciation, total | 53,000.0 | 93,000.0 |
| Accumulated depreciation, depletion and amortization, property, plant, and equipment | $ 100,000 | $ 800,000 |
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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Details
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