Note 27 - Revenue (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Disaggregation of Revenue [Table Text Block]

					Asia
	Americas		EMEA		Pacific		IM		Corporate		Consolidated
Year ended December 31,
2023
Leasing	$	788,132	$	140,111	$	134,845	$	-	$	-	$	1,063,088
Capital Markets		481,226		101,494		119,752		-		-		702,472
E&D and Project management		644,303		245,429		112,673		-		-		1,002,405
Property management		323,437		82,950		121,353		-		-		527,740
Valuation and advisory		187,178		148,526		101,237		-		-		436,941
IM - Advisory and other		-		-		-		480,674		-		480,674
IM - Incentive Fees		-		-		-		6,783		-		6,783
Other		85,726		8,390		20,453		-		469		115,038
Total Revenue	$	2,510,002	$	726,900	$	610,313	$	487,457	$	469	$	4,335,141
2022
Leasing	$	851,621	$	147,473	$	125,012	$	-	$	-	$	1,124,106
Capital Markets		760,486		161,454		162,232		-		-		1,084,172
E&D and Project management		518,214		191,378		81,073		-		-		790,665
Property management		297,573		70,148		131,507		-		-		499,228
Valuation and advisory		244,719		139,365		93,635		-		-		477,719
IM - Advisory and other		-		-		-		348,604		-		348,604
IM - Incentive Fees		-		-		-		30,277		-		30,277
Other		83,732		5,322		15,001		-		661		104,716
Total Revenue	$	2,756,345	$	715,140	$	608,460	$	378,881	$	661	$	4,459,487