v3.10.0.1

Label | Element | Value
--- | --- | ---
Common Class B [Member] |  |
CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | $ 0
Additional Paid In Capital [Member] |  |
CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | 534,000
Common Class A [Member] |  |
CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | 0
Retained Earnings [Member] |  |
CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption | $ 4,578,000

X
- Definition Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. + References No definition available. + Details
Name: | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonClassBMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_AdditionalPaidInCapitalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_RetainedEarningsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |