Indebtedness - Summarizes Total Payments under Company's Debt Arrangements (Detail) $ in Thousands	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
2017	$ 10,989
2018	5,285
2019	171
2020	171
2021	172
Thereafter	880
Total Payments	17,668
Senior Secured Term Loan [Member]
Debt Instrument [Line Items]
2017	10,818	[1]
2018	5,114	[1]
Total Payments	15,932	[1]
Long-Term Mortgage Loan [Member]
Debt Instrument [Line Items]
2017	171	[1]
2018	171	[1]
2019	171	[1]
2020	171	[1]
2021	172	[1]
Thereafter	880	[1]
Total Payments	$ 1,736	[1]

[1] Interest is included