Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2021

Revenue From Contract With Customer [Abstract]

Disaggregation of Operating Revenue

The tables that follow present the disaggregated operating revenues for the periods indicated:

	For the Year Ended December 31, 2021
	Segments
(in thousands)	Index		Analytics		ESG and Climate		All Other - Private Assets		Total
Operating Revenues Types
Recurring subscriptions	$	650,629	$	533,178	$	162,609	$	79,624	$	1,426,040
Asset-based fees		553,991		—		—		—		553,991
Non-recurring		47,144		11,121		3,583		1,665		63,513
Total	$	1,251,764	$	544,299	$	166,192	$	81,289	$	2,043,544

	For the Year Ended December 31, 2020
	Segments
(in thousands)	Index		Analytics		ESG and Climate		All Other - Private Assets		Total
Operating Revenues Types
Recurring subscriptions	$	580,393	$	506,301	$	109,945	$	51,536	$	1,248,175
Asset-based fees		399,771		—		—		—		399,771
Non-recurring		36,331		7,507		1,419		2,187		47,444
Total	$	1,016,495	$	513,808	$	111,364	$	53,723	$	1,695,390

	For the Year Ended December 31, 2019
	Segments
(in thousands)	Index		Analytics		ESG and Climate		All Other - Private Assets		Total
Operating Revenues Types
Recurring subscriptions	$	530,968	$	486,282	$	89,563	$	47,227	$	1,154,040
Asset-based fees		361,927		—		—		—		361,927
Non-recurring		28,042		10,643		1,096		2,048		41,829
Total	$	920,937	$	496,925	$	90,659	$	49,275	$	1,557,796

Schedule of Change in Accounts Receivable and Deferred Revenue

The table that follows presents the change in accounts receivable and deferred revenue between the dates indicated:

	Accounts receivable		Deferred revenue
	(in thousands)
Opening (December 31, 2020)	$	558,569	$	675,870
Closing (December 31, 2021)		664,511		824,912
Increase/(decrease)	$	105,942	$	149,042

	Accounts receivable		Deferred revenue
	(in thousands)
Opening (December 31, 2019)	$	499,268	$	574,656
Closing (December 31, 2020)		558,569		675,870
Increase/(decrease)	$	59,301	$	101,214

Schedule of Remaining Performance Obligations

The remaining performance obligations for contracts that have a duration of greater than one year and the periods in which they are expected to be recognized are as follows:

	As of
	December 31,
	2021
	(in thousands)
First 12-month period	$	476,131
Second 12-month period		273,355
Third 12-month period		96,332
Periods thereafter		40,901
Total	$	886,719