Shareholders' Equity - Dividends Declared (Details) - USD ($) $ / shares in Units, $ in Millions	Jan. 15, 2021	Oct. 06, 2020	Jul. 07, 2020	Apr. 06, 2020	Feb. 03, 2020
Dividends Payable [Line Items]
Dividends Payable, Date Declared	Jan. 15, 2021	Oct. 06, 2020	Jul. 07, 2020	Apr. 06, 2020	Feb. 03, 2020
Dividends payable, date of record	Jan. 25, 2021	Oct. 16, 2020	Jul. 17, 2020	Apr. 17, 2020	Feb. 14, 2020
Dividends payable, date to be paid	Feb. 01, 2021	Oct. 23, 2020	Jul. 24, 2020	Apr. 24, 2020	Feb. 21, 2020
Dividend Paid
Dividends Payable [Line Items]
Distribution Per Share (in dollars per share)	$ 0.25	$ 0.34	$ 0.48	$ 0.48	$ 0.48
Aggregate Payment Amount (in millions)	$ 30.5	$ 41.5	$ 58.5	$ 58.5	$ 58.2

Date the declared dividend will be paid, in YYYY-MM-DD format.

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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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

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

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