Discontinued Operations - Assets and Liabilities of Discontinued Operations on Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Disposal Group Including Discontinued Operation Balance Sheet Disclosures [Abstract]
Receivables, net	$ 148	$ 254
Total current assets	148	254
Other assets, net	483	720
Deferred income tax assets, net	5,622	8,091
Total assets of discontinued operations	6,253	9,065
Accounts payable and accrued expenses	76	528
Remaining lease obligations	8,143	12,539
Total current liabilities	8,219	13,067
Remaining lease obligations	6,331	9,212
Other	91	164
Total liabilities of discontinued operations	$ 14,641	$ 22,443