Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 150,125	$ 138,926
Other comprehensive income:
Foreign currency translation gain	66,032	51,188
Adoption of Accounting Standards Update 2016-01, net of tax	(3,964)
Amounts reclassified from accumulated other comprehensive loss to interest expense, net of tax	755	1,508
Unrealized gains on interest rate swaps, net of tax	603	294
Unrealized holding (losses) gains on available for sale debt securities, net of tax	(505)	923
Other, net	5,528	(6)
Total other comprehensive income	68,449	53,907
Comprehensive income	218,574	192,833
Less: Comprehensive (loss) income attributable to non-controlling interests	(358)	1,927
Comprehensive income attributable to CBRE Group, Inc.	$ 218,932	$ 190,906

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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