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Commitments and Contingencies - Warranty Account Activity (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Movement in Product Warranty Accrual [Roll Forward] |  |  |
Beginning balance | $ 60,443 | $ 34,862 | $ 43,302
Assumed liabilities from acquisition | 0 | 12,946 | 0
New product warranties | 5,202 | 3,772 | 7,849
Other adjustments and expirations, net | 15,695 | 22,741 | (393)
Claims activity | (27,916) | (12,753) | (18,094)
Effect of change in exchange rates | (183) | (1,125) | 2,198
Ending balance | 53,241 | 60,443 | 34,862
Less: current portion of warranty | 38,509 | 47,205 | 21,150
Long-term warranty | 14,732 | 13,238 | 13,712
Total warranty expense (benefit) | 17,975 | 26,513 | (2,054)
Loss Contingencies [Line Items] |  |  |
Other adjustments due to replacement of certain gas meters | $ 15,695 | 22,741 | $ (393)
Device Solutions [Member] |  |  |
Movement in Product Warranty Accrual [Roll Forward] |  |  |
Other adjustments and expirations, net |  | 11,400 |
Loss Contingencies [Line Items] |  |  |
Other adjustments due to replacement of certain gas meters |  | $ 11,400 |

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