Debt - Schedule of Debt (Detail) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
|---|---|---|---|---|---|---|---|---|
| Debt Instrument [Line Items] | ||||||||
| Current portion of long-term debt | $ 22,846 | $ 2,866 | ||||||
| Long-term debt, net of current portion | 1,098 | $ 8,496 | $ 10,072 | $ 11,368 | 12,887 | $ 12,125 | $ 13,389 | $ 14,609 |
| Danske Bank Credit Facility [Member] | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Current portion of long-term debt | 7,376 | 0 | ||||||
| East West Bank Loan [Member] | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Current portion of long-term debt | 12,614 | 2,866 | ||||||
| Long-term debt, net of current portion | 0 | 12,887 | ||||||
| FastPartner Subordinated Promissory Notes [Member] | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Current portion of long-term debt | 1,692 | 0 | ||||||
| Al Amoudi Subordinated Promissory Notes [Member] | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Current portion of long-term debt | 1,164 | 0 | ||||||
| SSP Primers Loan [Member] | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Long-term debt, net of current portion | $ 1,098 | $ 0 |