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Derivative Instruments and Hedging Activities - Effects of Derivative Instruments in Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | 12 Months Ended |
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Dec. 31, 2018 | Jan. 01, 2018
Unrealized Gain (Loss) Recognized in Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Beginning balance | $ 336,620 |
Ending balance | 376,875 |
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent |  |
Unrealized Gain (Loss) Recognized in Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Beginning balance | (1,745) |
Unrealized gain recognized in AOCI | 603 |
Gain reclassified from AOCI to other expenses, net | (196) |
Ending balance | $ (1,824) |
Accounting Standards Update 2017-12 |  |
Unrealized Gain (Loss) Recognized in Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Cumulative impact from the adoption of new ASU |  | $ (54)
Accounting Standards Update 2017-12 | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent |  |
Unrealized Gain (Loss) Recognized in Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Cumulative impact from the adoption of new ASU |  | $ (486)

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