Reportable Segments and Geographic Information - (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Segment for the results of operations |
|
|
|
| Net sales |
$ 2,041,232
|
$ 1,387,344
|
$ 1,273,831
|
| Income (loss) before income taxes |
48,981
|
(160,411)
|
86,110
|
| Depreciation and amortization expense, net |
32,877
|
25,876
|
15,796
|
| Cash paid for purchases of property, plant and equipment |
60,705
|
64,477
|
60,163
|
| Goodwill |
16,080
|
16,080
|
|
| Assets |
1,136,603
|
1,223,620
|
|
| Corporate and other |
|
|
|
| Segment for the results of operations |
|
|
|
| Net sales |
106,572
|
68,984
|
11,940
|
| Income (loss) before income taxes |
984
|
(13,854)
|
(12,754)
|
| Depreciation and amortization expense, net |
1,696
|
1,362
|
802
|
| Cash paid for purchases of property, plant and equipment |
2,549
|
2,436
|
6,142
|
| Assets |
299,825
|
308,782
|
|
| Operating Segments | Biomass-based Diesel |
|
|
|
| Segment for the results of operations |
|
|
|
| Net sales |
1,952,361
|
1,326,452
|
1,264,850
|
| Income (loss) before income taxes |
64,814
|
(100,152)
|
104,136
|
| Depreciation and amortization expense, net |
29,018
|
22,799
|
13,497
|
| Cash paid for purchases of property, plant and equipment |
52,952
|
59,859
|
52,846
|
| Goodwill |
0
|
0
|
|
| Assets |
1,026,349
|
1,048,923
|
|
| Operating Segments | Biomass-based Diesel | Petrotec |
|
|
|
| Segment for the results of operations |
|
|
|
| Net sales |
171,358
|
145,039
|
3,563
|
| Income (loss) before income taxes |
5,007
|
(1,643)
|
(337)
|
| Depreciation and amortization expense, net |
2,849
|
3,259
|
0
|
| Cash paid for purchases of property, plant and equipment |
1,353
|
1,816
|
0
|
| Assets |
51,822
|
45,471
|
|
| Operating Segments | Services |
|
|
|
| Segment for the results of operations |
|
|
|
| Net sales |
87,014
|
102,731
|
85,149
|
| Income (loss) before income taxes |
2,970
|
6,323
|
6,980
|
| Depreciation and amortization expense, net |
613
|
302
|
204
|
| Cash paid for purchases of property, plant and equipment |
4,731
|
1,510
|
643
|
| Goodwill |
16,080
|
16,080
|
|
| Assets |
53,823
|
60,308
|
|
| Operating Segments | Renewable Chemicals |
|
|
|
| Segment for the results of operations |
|
|
|
| Net sales |
2,065
|
0
|
0
|
| Income (loss) before income taxes |
(19,787)
|
(52,728)
|
(12,252)
|
| Depreciation and amortization expense, net |
1,550
|
1,413
|
1,293
|
| Cash paid for purchases of property, plant and equipment |
473
|
672
|
532
|
| Goodwill |
0
|
0
|
|
| Assets |
22,883
|
23,872
|
|
| Intersegment revenues |
|
|
|
| Segment for the results of operations |
|
|
|
| Net sales |
(106,780)
|
(110,823)
|
$ (88,108)
|
| Intersegment eliminations |
|
|
|
| Segment for the results of operations |
|
|
|
| Assets |
$ (266,277)
|
$ (218,265)
|
|