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Segments - Reconciliation of Segment Operating Profit (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Restructuring Cost and Reserve [Line Items] |  |  |
Net income attributable to CBRE Group, Inc. stockholders | $ 1,836,574 | $ 751,989 | $ 1,282,357
Net income attributable to non-controlling interests | 5,341 | 3,879 | 9,093
Net income | 1,841,915 | 755,868 | 1,291,450
Depreciation and amortization | 525,871 | 501,728 | 439,224
Asset impairments | 0 | 88,676 | 89,787
Interest expense, net of interest income | 50,352 | 67,753 | 85,754
Write-off of financing costs on extinguished debt | 0 | 75,592 | 2,608
Provision for income taxes | 567,506 | 214,101 | 69,895
Carried interest incentive compensation expense (reversal) to align with the timing of associated revenue | 49,941 | (22,912) | 13,101
Impact of fair value adjustments to real estate assets acquired in the Telford acquisition (purchase accounting) that were sold in period | (5,725) | 11,598 | 9,301
Costs incurred related to legal entity restructuring | 0 | 9,362 | 6,899
Integration and other costs related to acquisitions | 44,552 | 1,756 | 15,292
Segment Operating Profit | 1,637,467 | 969,759 | 1,259,875
Corporate And Reconciling Items |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Depreciation and amortization | 28,606 | 28,533 | 20,044
Segment Operating Profit | 216,855 | 284,561 | 303,516
Operating Segments |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Segment Operating Profit | 3,291,267 | 2,180,825 | 2,376,392
Cost of revenues |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 42,100 |
Operating, administrative and other expenses |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 113,000 |
Transformation Initiatives |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 175,840 |
Transformation Initiatives | Employee separation benefits, lease termination costs and professional fees |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | 0 | 155,148 | 0
Transformation Initiatives | Employee separation benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 91,077 |
2020 Covid-19 Response | Employee separation benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | 0 | 37,594 | 0
2020 Covid-19 Response | Employee separation benefits | Cost of revenues |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 7,400 |
2020 Covid-19 Response | Employee separation benefits | Operating, administrative and other expenses |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  | 30,200 |
2018 Reorganization Plan | Employee separation benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges | $ 0 | $ 0 | $ 49,565

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