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Leases | 12 Months Ended
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Dec. 31, 2017
Leases [Abstract] |
Leases |
13. | LEASES
The Company leases office space, storage warehouses and certain office and plant equipment under various operating leases. Minimum annual payments under these non-cancelable leases as of December 31, 2017 were as follows (in thousands):
Year Ending December 31, |  |  |
2018 |  | $ | 10,626 |
2019 |  |  | 9,344 |
2020 |  |  | 7,223 |
2021 |  |  | 6,716 |
2022 |  |  | 4,843 |
Thereafter |  |  | 14,046 |
Total minimum lease payments |  | $ | 52,798 |
For the years ended December 31, 2017, 2016 and 2015, the Company recognized rental expenses of approximately $9.1 million, $9.9 million, and $7.7 million, respectively.

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- Definition The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=77888251 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -URI http://asc.fasb.org/topic&trid=2208923 + Details
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