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v3.3.1.900

Inventories (Summary of Activity within the Reserve for Excess, Obsolete, and Slow Moving Inventory) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Inventory [Roll Forward] |  |  |
Beginning balance | $ 5,575 | $ 5,570 | $ 4,907
Excess, obsolete and slow moving inventory expense | 1,539 | 731 | 2,068
Scrapped inventory and other adjustments | 314 | (726) | (1,405)
Ending balance | $ 7,428 | $ 5,575 | $ 5,570

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