REVENUE

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

REVENUE

14. REVENUE

Geographic revenue

(Dollars in thousands)	2021				2020				2019
U.S.	$	690,133	57	%	$	613,844	61	%	$	525,191	57	%
Other Americas	61,339		5	%	49,441		5	%	60,536		7	%
United Kingdom (“U.K.”)	117,580		10	%	91,517		9	%	87,382		10	%
Europe (excluding U.K.), Middle East, and Africa	198,080		16	%	156,056		15	%	137,946		15	%
Asia-Pacific	144,521		12	%	106,659		10	%	100,328		11	%
	$	1,211,653	100	%	$	1,017,517	100	%	$	911,383	100	%

Revenue streams

(in thousands)	2021		2020		2019
Perpetual license	$	32,172	$	28,558	$	80,015
Subscription license	336,248		266,352		199,433
Revenue recognized at a point in time	368,420		294,910		279,448
Maintenance	320,257		296,709		280,580
Pega Cloud	300,966		208,268		133,746
Consulting	222,010		217,630		217,609
Revenue recognized over time	843,233		722,607		631,935
	$	1,211,653	$	1,017,517	$	911,383

(in thousands)	2021		2020		2019
Pega Cloud	$	300,966	$	208,268	$	133,746
Maintenance	320,257		296,709		280,580
Subscription services	621,223		504,977		414,326
Subscription license	336,248		266,352		199,433
Subscription	957,471		771,329		613,759
Perpetual license	32,172		28,558		80,015
Consulting	222,010		217,630		217,609
	1,211,653		1,017,517		911,383

Remaining performance obligations ("Backlog")

Expected future revenue from existing non-cancellable contracts:

As of December 31, 2021:

(Dollars in thousands)	Subscription services				Subscription products		Perpetual license		Consulting		Total
	Maintenance		Pega Cloud
1 year or less	$	234,917	$	330,426	$	153,467	$	10,952	$	41,411	$	771,173	58	%
1-2 years	65,502		220,231		14,968		4,505		8,917		314,123		23	%
2-3 years	38,432		124,969		1,955		2,252		5,512		173,120		13	%
Greater than 3 years	28,157		55,937		1,765		—		619		86,478		6	%
	$	367,008	$	731,563	$	172,155	$	17,709	$	56,459	$	1,344,894	100	%

As of December 31, 2020:

(Dollars in thousands)	Subscription services				Subscription products		Perpetual license		Consulting		Total
	Maintenance		Pega Cloud
1 year or less	$	227,803	$	248,223	$	105,920	$	11,514	$	19,226	$	612,686	57	%
1-2 years	54,509		193,064		7,962		395		346		256,276		24	%
2-3 years	28,320		104,542		4,928		—		851		138,641		13	%
Greater than 3 years	19,283		44,308		4		—		1,189		64,784		6	%
	$	329,915	$	590,137	$	118,814	$	11,909	$	21,612	$	1,072,387	100	%