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Subsequent Events (Details) - Subsequent Event [Member] - USD ($) $ / shares in Units, $ in Millions	Feb. 12, 2020	Jan. 24, 2020
Subsequent Event [Line Items]
Dividend approved and declared (in dollars per share)	$ 0.52
6.875% Series D Cumulative Redeemable Perpetual Preference Shares
Subsequent Event [Line Items]
Preferred stock, dividend rate, percentage	6.875%
Shares, issued (in shares)		6,000,000
Proceeds from public offering		$ 150.0
Issuance costs		$ 5.2
Dividend approved and declared (in dollars per share)	$ 0.24349
8.50% Series A Cumulative Redeemable Perpetual Preference Shares
Subsequent Event [Line Items]
Preferred stock, dividend rate, percentage	8.50%
Dividend approved and declared (in dollars per share)	$ 0.53125
8.00% Series B Cumulative Redeemable Perpetual Preference Shares
Subsequent Event [Line Items]
Preferred stock, dividend rate, percentage	8.00%
Dividend approved and declared (in dollars per share)	$ 0.50
7.375% Series C Cumulative Redeemable Perpetual Preference Shares
Subsequent Event [Line Items]
Preferred stock, dividend rate, percentage	7.375%
Dividend approved and declared (in dollars per share)	$ 0.46094

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- Definition

Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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- Definition

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

+ References

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+ References

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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

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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.

+ References

No definition available.

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