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Restructuring Activities (Tables) | 12 Months Ended
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Dec. 31, 2022
Restructuring and Related Activities [Abstract] |
Summary of Transformation Initiative Costs |
| Year Ended December 31, 2022
| Advisory Services |  | Global Workplace Solutions |  | Real Estate Investments |  | Corporate |  | Consolidated
Employee separation benefits | $ | 32,594 |  |  | $ | 19,961 |  |  | $ | 9,761 |  |  | $ | 19,198 |  |  | $ | 81,514 |
Lease exit costs | 9,695 |  |  | 2,916 |  |  | — |  |  | — |  |  | 12,611 |
Professional fees and other | 3,446 |  |  | 5,040 |  |  | 2,738 |  |  | 12,185 |  |  | 23,409 |
Subtotal | 45,735 |  |  | 27,917 |  |  | 12,499 |  |  | 31,383 |  |  | 117,534 |
Depreciation expense | 5,564 |  |  | 3,258 |  |  | — |  |  | — |  |  | 8,822 |
Total | $ | 51,299 |  |  | $ | 31,175 |  |  | $ | 12,499 |  |  | $ | 31,383 |  |  | $ | 126,356 |
As part of these initiatives, we incurred the following costs, primarily in cash, for the year ended December 31, 2020 (dollars in thousands):
| Year Ended December 31, 2020
| Advisory Services |  | Global Workplace Solutions |  | Real Estate Investments |  | Consolidated
Employee separation benefits | $ | 57,550 |  | $ | 57,550 |  | $ | 31,083 |  |  | $ | 2,444 |  |  | $ | 91,077 |
Lease termination costs | 43,225 |  |  | 4,586 |  |  | — |  |  | 47,811 |
Professional fees and other | 13,212 |  |  | 2,510 |  |  | 538 |  |  | 16,260 |
Subtotal | 113,987 |  |  | 38,179 |  |  | 2,982 |  |  | 155,148 |
Depreciation expense | 14,184 |  |  | 166 |  |  | 6,342 |  |  | 20,692 |
Total | $ | 128,171 |  |  | $ | 38,345 |  |  | $ | 9,324 |  |  | $ | 175,840 |
Schedule of Liability Balance Associated with major Cash-based Charges | The following table shows ending liability balance associated with major cash-based charges (dollars in thousands):
| Employee separation benefits |  | Professional fees
Balance at January 1, 2022 | $ | — |  |  | $ | — |
Expense incurred | 81,514 |  |  | 23,409 |
Payments made | (44,500) |  |  | (12,809) |
Balance at December 31, 2022 | $ | 37,014 |  |  | $ | 10,600 |

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: 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) -URI https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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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 https://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 https://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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