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Corporate Office Relocation (Tables) | 9 Months Ended
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Sep. 30, 2018
Restructuring and Related Activities [Abstract] |
Summary of changes to accrued liability balance related to restructuring and other charges | The following table summarizes the changes to our accrued liability balance related to our corporate office relocation for the nine months ended September 30, 2018 and 2017 (in thousands):
| Nine Months Ended September 30,
| 2018 |  | 2017
Beginning balance | $ | 583 |  |  | $ | — |
Additions for costs expensed | — |  |  | 2,113 |
Less non-cash expense (1) | — |  |  | (613 | )
Reductions for payments | (583 | ) |  | (72 | )
Ending balance | $ | — |  |  | $ | 1,428 |
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(1) | Represents non-cash write-off of leasehold improvements, furniture and fixtures and the net liability associated with the straight-line expense associated with the lease of our former corporate office.
The following table summarizes our corporate office relocation costs by category during the three and nine months ended September 30, 2017 (in thousands):
Remaining lease costs | $ | 1,258 |
Impairment of leasehold improvements and furniture and fixtures | 795 |
Relocation costs | 60 |
Total corporate relocation costs | $ | 2,113 |

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