Net proceeds from issuance of common shares. Net proceeds after underwriters' discount and offering costs.

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- Definition

Face amount or stated value per share of common stock.

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- Definition

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

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- Definition

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

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- Definition

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

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- Definition

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

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- Definition

Number of new stock issued during the period.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 210
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- Definition

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 (Details) - USD ($) $ / shares in Units, $ in Millions											12 Months Ended
	Mar. 06, 2020	Feb. 07, 2020	Jan. 25, 2020	Jan. 08, 2020	Dec. 03, 2019	Nov. 22, 2019	Jul. 26, 2019	Jul. 23, 2019	Mar. 12, 2019	Feb. 15, 2019	Dec. 31, 2019	Jan. 24, 2020	Dec. 02, 2019	Jul. 22, 2019	Mar. 11, 2019	Feb. 28, 2019	Feb. 14, 2019
Subsequent Event [Line Items]
Dividend Per Share (USD per share)															$ 0.14		$ 0.41
Common shares											$ 0.001					$ 0.001
Declared date									Mar. 11, 2019	Feb. 14, 2019
Payment Date									Apr. 25, 2019	Mar. 15, 2019
Record Date									Mar. 29, 2019	Mar. 01, 2019
Stock Issued During Period, Shares, New Issues					630,000	4,200,000	525,000	3,500,000			8,855,000
Proceeds from issuance of shares, net						$ 75.3	$ 9.1						$ 11.2	$ 60.7
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividend Per Share (USD per share)	$ 0.15	$ 0.15		$ 0.15
Declared date	Mar. 06, 2020	Feb. 07, 2020		Jan. 08, 2020
Payment Date	Apr. 27, 2020	Mar. 25, 2020		Feb. 25, 2020
Record Date	Mar. 31, 2020	Feb. 28, 2020		Jan. 31, 2020
Stock Issued During Period, Shares, New Issues			5,290,000
Proceeds from issuance of shares, net												$ 95.3
Over-Allotment Option [Member] \| Subsequent Event [Member]
Subsequent Event [Line Items]
Stock Issued During Period, Shares, New Issues			690,000