REVENUE - Performance Obligations (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Sep. 30, 2021 |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | $ 1,147,932 | $ 1,034,026 |
Revenue remaining performance obligation (in percent) | 100% | 100% |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | | $ 577,650 |
Revenue remaining performance obligation (in percent) | | 56% |
Expected timing of satisfaction | | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | $ 617,691 | $ 261,071 |
Revenue remaining performance obligation (in percent) | 53% | 25% |
Expected timing of satisfaction | 1 year | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | $ 283,762 | $ 127,188 |
Revenue remaining performance obligation (in percent) | 25% | 12% |
Expected timing of satisfaction | 1 year | 1 year |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | $ 145,232 | $ 68,117 |
Revenue remaining performance obligation (in percent) | 13% | 7% |
Expected timing of satisfaction | 1 year | |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | $ 101,247 | |
Revenue remaining performance obligation (in percent) | 9% | |
Expected timing of satisfaction | | |
Maintenance | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | $ 286,880 | $ 327,696 |
Maintenance | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | | 196,667 |
Maintenance | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 191,045 | 59,360 |
Maintenance | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 55,141 | 37,734 |
Maintenance | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 24,496 | 33,935 |
Maintenance | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 16,198 | |
Pega Cloud | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 739,638 | 571,461 |
Pega Cloud | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | | 284,359 |
Pega Cloud | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 328,111 | 177,214 |
Pega Cloud | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 213,304 | 79,775 |
Pega Cloud | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 115,416 | 30,113 |
Pega Cloud | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 82,807 | |
Subscription license | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 77,020 | 66,802 |
Subscription license | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | | 49,265 |
Subscription license | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 69,753 | 16,872 |
Subscription license | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 4,113 | 420 |
Subscription license | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 1,420 | 245 |
Subscription license | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 1,734 | |
Perpetual license | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 7,571 | 22,971 |
Perpetual license | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | | 15,686 |
Perpetual license | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 814 | 1,064 |
Perpetual license | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 4,505 | 4,094 |
Perpetual license | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 2,252 | 2,127 |
Perpetual license | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 0 | |
Consulting | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 36,823 | 45,096 |
Consulting | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | | 31,673 |
Consulting | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 27,968 | 6,561 |
Consulting | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 6,699 | 5,165 |
Consulting | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | 1,648 | $ 1,697 |
Consulting | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-10-01 | | |
Disaggregation of Revenue [Line Items] | | |
Revenue remaining performance obligation | $ 508 | |