Annual report pursuant to Section 13 and 15(d)

Investments and Other Assets - Schedule of Other Assets (Detail)

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Investments and Other Assets - Schedule of Other Assets (Detail) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Other Assets Noncurrent [Abstract]    
Cost method investments $ 10,000 $ 10,000
Other assets 1,661 1,626
Income tax receivable 1,080 414
Total other assets $ 12,741 $ 12,040