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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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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=121583591&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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Shareholders' Equity - Schedule of Dividends Paid (Detail) - $ / shares	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Dividends Payable [Line Items]
Dividend Per Share	$ 0.06	$ 0.06
Installment One
Dividends Payable [Line Items]
Declaration Date	Feb. 04, 2021		Feb. 20, 2020
Record Date	Mar. 04, 2021		Mar. 05, 2020
Payment Date	Mar. 18, 2021		Mar. 19, 2020
Dividend Per Share	$ 0.06		$ 0.06
Installment Two
Dividends Payable [Line Items]
Declaration Date			Apr. 16, 2020
Record Date			Jun. 04, 2020
Payment Date			Jun. 18, 2020
Dividend Per Share			$ 0.06
Installment Three
Dividends Payable [Line Items]
Declaration Date			Jul. 16, 2020
Record Date			Aug. 20, 2020
Payment Date			Sep. 03, 2020
Dividend Per Share			$ 0.06
Installment Four
Dividends Payable [Line Items]
Declaration Date			Oct. 27, 2020
Record Date			Nov. 19, 2020
Payment Date			Dec. 03, 2020
Dividend Per Share			$ 0.06