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Closure Costs (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 USD ($) | Dec. 31, 2018 USD ($)
Closure Costs |  |
Closure costs, expected amount | $ 6,900 | $ 6,900
Closure costs | 800 |
Closure Costs Related to USI Acquisition |  |
Closure Costs |  |
Closure Costs Incurred for the Period |  | 7,042
Cash Payments for the Period |  | (3,289)
Non-cash adjustments for the period |  | (387)
Closure Costs Liability, Ending Balance | 3,366 | 3,366
Closure Costs Related to USI Acquisition | Severance |  |
Closure Costs |  |
Closure Costs Incurred for the Period |  | 6,633
Cash Payments for the Period |  | (3,181)
Non-cash adjustments for the period |  | (387)
Closure Costs Liability, Ending Balance | 3,065 | 3,065
Closure Costs Related to USI Acquisition | Lease abandonment |  |
Closure Costs |  |
Closure Costs Incurred for the Period |  | 400
Cash Payments for the Period |  | (99)
Closure Costs Liability, Ending Balance | $ 301 | 301
Closure Costs Related to USI Acquisition | Other costs |  |
Closure Costs |  |
Closure Costs Incurred for the Period |  | 9
Cash Payments for the Period |  | (9)
Closure Costs Related to Consolidation of Certain Back-Office Support Operations |  |
Closure Costs |  |
Closure Costs Liability, Beginning of Period |  | 475
Cash Payments for the Period |  | (344)
Non-cash adjustments for the period |  | (131)
Closure Costs Related to Consolidation of Certain Back-Office Support Operations | Severance |  |
Closure Costs |  |
Closure Costs Liability, Beginning of Period |  | 112
Cash Payments for the Period |  | (101)
Non-cash adjustments for the period |  | (11)
Closure Costs Related to Consolidation of Certain Back-Office Support Operations | Lease abandonment |  |
Closure Costs |  |
Closure Costs Liability, Beginning of Period |  | 309
Cash Payments for the Period |  | (218)
Non-cash adjustments for the period |  | (91)
Closure Costs Related to Consolidation of Certain Back-Office Support Operations | Other costs |  |
Closure Costs |  |
Closure Costs Liability, Beginning of Period |  | 54
Cash Payments for the Period |  | (25)
Non-cash adjustments for the period |  | $ (29)

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