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Restructuring and Related Charges (Tables) | 12 Months Ended
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Dec. 31, 2018
Restructuring and Related Charges [Abstract] |
Schedule of restructuring liability by type of cost | The following details the changes in the Company’s restructuring liability for lease and related costs during the years ended December 31, 2016, 2017, and 2018 (in thousands):
|  | Lease and Related Costs, Net |  | Severance and Other Employee Separation Costs |  | Total
Balance at December 31, 2015 |  | $ | 20,055 |  | $ | — |  | $ | 20,055
Restructuring and other charges(2) |  |  | — |  |  | — |  |  | —
Payments |  |  | (6,438) |  |  | — |  |  | (6,438)
Adjustments(3) |  |  | (1,632) |  |  | — |  |  | (1,632)
Balance at December 31, 2016 |  |  | 11,985 |  |  | — |  |  | 11,985
Restructuring and other charges(2) |  |  | — |  |  | 3,414 |  |  | 3,414
Payments |  |  | (3,623) |  |  | (3,414) |  |  | (7,037)
Adjustments(3) |  |  | 419 |  |  | — |  |  | 419
Balance at December 31, 2017(1) |  |  | 8,781 |  |  | — |  |  | 8,781
Restructuring and other charges(2) |  |  | — |  |  | 16,319 |  |  | 16,319
Payments |  |  | (2,684) |  |  | (1,972) |  |  | (4,656)
Adjustments(3) |  |  | 443 |  |  | — |  |  | 443
Balance at December 31, 2018(1) |  | $ | 6,540 |  | $ | 14,347 |  | $ | 20,887
| (1) |  | The current portion of restructuring liabilities was $3.1 million and $9.8 million as of December 31, 2017 and December 31, 2018, respectively, which are included in accounts payable and accrued expenses. The long-term portion is included in other long-term liabilities.
| (2) |  | Restructuring and other charges of $3.4 million and $16.3 million for the years ended December 31, 2017 and 2018, respectively, are included in Merger costs on the consolidated statements of income. There were no restructuring and other charges in the year ended December 31, 2016.
| (3) |  | Adjustments include accretion of interest on lease costs, partially offset by changes in the timing and expected income from sublease agreements.

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- Definition Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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