Significant Accounting Policies - Schedule of Other Long-Term Assets (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||
| Notes receivable | $ 716 | $ 212 |
| Deposits | 4,196 | 2,475 |
| Assets of SERP | 1,725 | 1,606 |
| Debt issuance costs | 1,488 | 2,005 |
| Insurance recoveries | 6,835 | 3,976 |
| Other | 1,475 | 235 |
| Total | $ 16,435 | $ 10,509 |