Indebtedness - Additional Information (Detail) - USD ($) |
6 Months Ended | |
---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
|
Debt Instrument [Line Items] | ||
Available borrowings capacity under credit agreement | $ 27,101,000 | |
Senior secured credit facility term | 5 years | |
Senior secured credit facility, maturity date | Jun. 17, 2018 | |
Maximum | ||
Debt Instrument [Line Items] | ||
Capacity to increase borrowings under credit agreement | $ 92,588,000 | |
Revolving Line of Credit | ||
Debt Instrument [Line Items] | ||
Available borrowings capacity under credit agreement | 200,000,000 | |
Term Loan | Maximum | ||
Debt Instrument [Line Items] | ||
Accordion feature | $ 100,000,000 |