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v3.21.2

EMPLOYEE BENEFITS - Percentage of performance shares vesting (Details) | Jun. 30, 2021
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Percentage performance shares vesting: |
More than 25th percentile | 0.00%
Between 25th to 50th percentile | 25.00%
50th to 75th percentile | 75.00%
More than or equal to 75th percentile | 100.00%

X
- Definition Percentage of performance shares vesting in relation to percentile of peers range 50th to 75th. + References No definition available. + Details
Name: | drd_PercentageOfPerformanceSharesVestingFiftiethToSeventyFifthPercentile
Namespace Prefix: | drd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of performance shares vesting in relation to percentile of peers range more than or equal to 75th. + References No definition available. + Details
Name: | drd_PercentageOfPerformanceSharesVestingMoreThanSeventyFifthPercentile
Namespace Prefix: | drd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of performance shares vesting in relateion to percentiles of peer group, twenty-fifth. + References No definition available. + Details
Name: | drd_PercentageOfPerformanceSharesVestingTwentyFifthPercentile
Namespace Prefix: | drd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of performance shares vesting in relation to percentile of peers range 25th to 50th. + References No definition available. + Details
Name: | drd_PercentageOfPerformanceSharesVestingTwentyFifthToFiftyPercentile
Namespace Prefix: | drd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | drd_PercentagePerformanceSharesVesting
Namespace Prefix: | drd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration