Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Supplemental Cash Flow Elements [Abstract] | |||
| Cash paid for income taxes | $ 3,995 | $ 101 | $ 26 |
| Cash paid for interest | $ 3,695 | $ 3,588 | $ 1,829 |