Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
REVENUE
Investment banking and other advisory fees	$ 334,916	$ 265,143
Asset management fees	272,924	233,731
Interest income	1,654	1,372
Other	27,926	9,870
Total revenue	637,420	510,116
Interest expense	13,956	11,898
Net revenue	623,464	498,218
OPERATING EXPENSES
Compensation and benefits	361,801	297,210
Occupancy and equipment	27,484	27,007
Marketing and business development	19,752	19,688
Technology and information services	24,024	22,931
Professional services	11,462	9,762
Fund administration and outsourced services	15,913	13,435
Amortization and other acquisition-related costs	3,574	644
Other	9,257	9,164
Total operating expenses	473,267	399,841
OPERATING INCOME	150,197	98,377
Provision for income taxes	39,767	27,654
NET INCOME	110,430	70,723
LESS - NET INCOME ATTRIBUTABLE TO NONCONTROLLING INTERESTS	2,877	3,900
NET INCOME ATTRIBUTABLE TO LAZARD LTD	$ 107,553	$ 66,823
WEIGHTED AVERAGE SHARES OF COMMON STOCK OUTSTANDING:
Basic	122,815,163	126,040,441
Diluted	132,689,375	132,891,284
NET INCOME PER SHARE OF COMMON STOCK:
Basic	$ 0.88	$ 0.53
Diluted	0.81	0.50
DIVIDENDS DECLARED PER SHARE OF COMMON STOCK	$ 1.58	$ 1.55