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Leases (Summary of Company's Rent Expense) (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Rent expense | $ 1,276 | $ 504 | $ 8,649
Continuing Operations [Member] |  |  |
Rent expense | $ 1,276 | 1,506 | 1,460
Discontinued Operations [Member] |  |  |
Rent expense |  | $ (1,002) | $ 7,189

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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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Period Type: | duration

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- Details
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- Details
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Balance Type: |
Period Type: |