Aggregate dividends declared during the period for each share of common stock outstanding.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
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Date the declared dividend will be paid, in CCYY-MM-DD format.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

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Date the dividend to be paid was declared, in CCYY-MM-DD format.

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events - Additional Information (Narrative) (Details) - Subsequent Event [Member] - $ / shares	May 29, 2020	May 15, 2020	May 01, 2020
Subsequent Events [Line Items]
Date of announcement of dividend			May 01, 2020
Date of payment of dividend	May 29, 2020
Date of record of dividend		May 15, 2020
Class A Stock
Subsequent Events [Line Items]
Quarterly dividend payable amount per share			$ 0.12
Class B Stock
Subsequent Events [Line Items]
Quarterly dividend payable amount per share			$ 0.12