Restructuring - Summary of Restructuring Charges (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
|
| Restructuring Cost and Reserve [Line Items] | ||||
| Total Restructuring Expenses | $ 537 | $ 845 | $ 561 | $ 14,617 |
| Contractual Lease Obligations | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Total Restructuring Expenses | 586 | 694 | 1,512 | 12,011 |
| Severance | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Total Restructuring Expenses | 0 | (285) | 601 | 1,306 |
| Other Reversals | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Total Restructuring Expenses | 0 | 0 | (1,176) | 0 |
| Gain on Sale of Closed Store Properties | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Total Restructuring Expenses | (49) | 0 | (376) | 0 |
| Fixed Asset Impairment | ||||
| Restructuring Cost and Reserve [Line Items] | ||||
| Total Restructuring Expenses | $ 0 | $ 436 | $ 0 | $ 1,300 |