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STOCK-BASED COMPENSATION: - Stock-based compensation activity, by award type (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Share-based compensation |  |
Total non-cash stock-based compensation | $ 18,496 | $ 16,485
Total non-cash stock-based compensation included in the consolidated statements of equity | 12,135 | 10,469
Stock options |  |
Share-based compensation |  |
Share-based compensation expense | 527 | 754
Restricted stock units |  |
Share-based compensation |  |
Share-based compensation expense | 10,228 | 8,896
Restricted stock units | Diablo.AI, Inc. |  |
Share-based compensation |  |
Share-based compensation expense | 254 | 0
Consideration Holdback | Data Plus Math Corporation |  |
Share-based compensation |  |
Share-based compensation expense | 2,031 | 1,938
Consideration Holdback | DataFleets, Ltd |  |
Share-based compensation |  |
Share-based compensation expense | 1,509 | 0
Pacific Data Partners, LLC Agreement Plan | Pacific Data Partners LLC |  |
Share-based compensation |  |
Share-based compensation expense | 2,298 | 4,597
Acuity Performance Earnout | Acuity Data |  |
Share-based compensation |  |
Share-based compensation expense | 779 | 0
Other stock-based compensation |  |
Share-based compensation |  |
Share-based compensation expense | 870 | 300
Liability-based equity awards |  |
Share-based compensation |  |
Total non-cash stock-based compensation | $ (6,361) | $ (6,016)

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