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Note 25 - Revenue From Contracts With Customers - Disaggregated Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Revenues | $ 3,045,811 | $ 2,825,427
Americas Segment [Member] |  |
Revenues | 1,690,507 | 1,596,184
EMEA Segment [Member] |  |
Revenues | 636,466 | 623,238
Asia Pacific Segment [Member] |  |
Revenues | 542,609 | 528,360
Investment Management [Member] |  |
Revenues | 174,588 | 76,021
Corporate Segment [Member] |  |
Revenues | 1,641 | 1,624
Lease Brokerage [Member] |  |
Revenues | 946,399 | 903,947
Lease Brokerage [Member] | Americas Segment [Member] |  |
Revenues | 691,149 | 648,815
Lease Brokerage [Member] | EMEA Segment [Member] |  |
Revenues | 139,141 | 139,685
Lease Brokerage [Member] | Asia Pacific Segment [Member] |  |
Revenues | 115,916 | 115,447
Lease Brokerage [Member] | Investment Management [Member] |  |
Revenues | 0 | 0
Lease Brokerage [Member] | Corporate Segment [Member] |  |
Revenues | 193 | 0
Sales Brokerage [Member] |  |
Revenues | 775,909 | 780,884
Sales Brokerage [Member] | Americas Segment [Member] |  |
Revenues | 424,703 | 441,934
Sales Brokerage [Member] | EMEA Segment [Member] |  |
Revenues | 192,673 | 168,796
Sales Brokerage [Member] | Asia Pacific Segment [Member] |  |
Revenues | 158,533 | 170,154
Sales Brokerage [Member] | Investment Management [Member] |  |
Revenues | 0 | 0
Sales Brokerage [Member] | Corporate Segment [Member] |  |
Revenues |  | 0
Property Management [Member] |  |
Revenues | 481,914 | 449,332
Property Management [Member] | Americas Segment [Member] |  |
Revenues | 263,126 | 228,550
Property Management [Member] | EMEA Segment [Member] |  |
Revenues | 75,751 | 84,861
Property Management [Member] | Asia Pacific Segment [Member] |  |
Revenues | 143,037 | 135,921
Property Management [Member] | Investment Management [Member] |  |
Revenues | 0 | 0
Property Management [Member] | Corporate Segment [Member] |  |
Revenues |  | 0
Valuation and Advisory [Member] |  |
Revenues | 346,464 | 323,034
Valuation and Advisory [Member] | Americas Segment [Member] |  |
Revenues | 167,919 | 148,721
Valuation and Advisory [Member] | EMEA Segment [Member] |  |
Revenues | 109,517 | 112,180
Valuation and Advisory [Member] | Asia Pacific Segment [Member] |  |
Revenues | 69,028 | 62,133
Valuation and Advisory [Member] | Investment Management [Member] |  |
Revenues | 0 | 0
Valuation and Advisory [Member] | Corporate Segment [Member] |  |
Revenues |  | 0
Project Management [Member] |  |
Revenues | 282,929 | 249,078
Project Management [Member] | Americas Segment [Member] |  |
Revenues | 124,991 | 109,699
Project Management [Member] | EMEA Segment [Member] |  |
Revenues | 113,792 | 107,149
Project Management [Member] | Asia Pacific Segment [Member] |  |
Revenues | 44,146 | 32,230
Project Management [Member] | Investment Management [Member] |  |
Revenues | 0 | 0
Project Management [Member] | Corporate Segment [Member] |  |
Revenues | 0 | 0
Advisory [Member] |  |
Revenues | 152,479 | 68,648
Advisory [Member] | Americas Segment [Member] |  |
Revenues |  |
Advisory [Member] | EMEA Segment [Member] |  |
Revenues |  |
Advisory [Member] | Asia Pacific Segment [Member] |  |
Revenues |  |
Advisory [Member] | Investment Management [Member] |  |
Revenues | 152,479 | 68,648
Advisory [Member] | Corporate Segment [Member] |  |
Revenues |  |
Incentive Fees [Member] |  |
Revenues | 19,162 | 6,330
Incentive Fees [Member] | Americas Segment [Member] |  |
Revenues |  |
Incentive Fees [Member] | EMEA Segment [Member] |  |
Revenues |  |
Incentive Fees [Member] | Asia Pacific Segment [Member] |  |
Revenues |  |
Incentive Fees [Member] | Investment Management [Member] |  |
Revenues | 19,162 | 6,330
Incentive Fees [Member] | Corporate Segment [Member] |  |
Revenues |  |
Transaction and Other [Member] |  |
Revenues | 2,947 | 1,043
Transaction and Other [Member] | Americas Segment [Member] |  |
Revenues |  |
Transaction and Other [Member] | EMEA Segment [Member] |  |
Revenues |  |
Transaction and Other [Member] | Asia Pacific Segment [Member] |  |
Revenues |  |
Transaction and Other [Member] | Investment Management [Member] |  |
Revenues | 2,947 | 1,043
Transaction and Other [Member] | Corporate Segment [Member] |  |
Revenues |  |
Other Revenue [Member] |  |
Revenues | 37,608 | 43,131
Other Revenue [Member] | Americas Segment [Member] |  |
Revenues | 18,619 | 18,465
Other Revenue [Member] | EMEA Segment [Member] |  |
Revenues | 5,592 | 10,567
Other Revenue [Member] | Asia Pacific Segment [Member] |  |
Revenues | 11,949 | 12,475
Other Revenue [Member] | Investment Management [Member] |  |
Revenues |  |
Other Revenue [Member] | Corporate Segment [Member] |  |
Revenues | $ 1,448 | $ 1,624

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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