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Note 21 - Revenue From Contracts With Customers (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Americas				EMEA				Asia Pacific				Investment Management				Corporate				Consolidated



2018
Lease brokerage		$	648,815			$	139,685			$	115,447			$	-			$	-			$	903,947
Sales brokerage			441,934				168,796				170,154				-				-				780,884
Property management			228,550				84,861				135,921				-				-				449,332
Valuation and advisory			148,721				112,180				62,133				-				-				323,034
Project management			109,699				107,149				32,230				-				-				249,078
Investment management			-				-				-				74,978				-				74,978
Other			18,465				10,567				12,475				1,043				1,624				44,174
Total Revenue		$	1,596,184			$	623,238			$	528,360			$	76,021			$	1,624			$	2,825,427

2017 (note 23)
Lease brokerage		$	549,721			$	116,171			$	103,334			$	-			$	-			$	769,226
Sales brokerage			402,801				137,959				182,690				-				-				723,450
Property management			208,880				43,440				126,424				-				-				378,744
Valuation and advisory			131,250				98,094				56,945				-				-				286,289
Project management			99,849				110,817				17,093				-				-				227,759
Investment management			-				-				-				12,647				-				12,647
Other			16,912				8,466				9,717				7				1,983				37,085
Total Revenue		$	1,409,413			$	514,947			$	496,203			$	12,654			$	1,983			$	2,435,200