Preferred Stock, Liquidation Preference Per Share, Per Annum

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- Definition

Preferred Stock, Liquidation Preference Per Share, Quarterly

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- Definition

Preferred Stock, Percentage Interest In Underlying Shares

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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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- Definition

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

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- Definition

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

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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- Definition

Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

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No definition available.

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- Definition

The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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- Definition

The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer.

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- Definition

Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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- Definition

Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Shareholders' Equity (Details) - USD ($)							1 Months Ended	3 Months Ended		9 Months Ended
Shareholders' Equity (Details) - USD ($)	Sep. 28, 2018	Sep. 14, 2018	Jun. 29, 2018	Jun. 15, 2018	Mar. 29, 2018	Mar. 15, 2018	Jun. 30, 2018	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017	Nov. 10, 2017
Class of Stock [Line Items]
Dividends per common share		$ 0.33		$ 0.33				$ 0.33	$ 0.32	$ 0.99	$ 0.96
Dividends paid per common share (in dollars per share)	$ 0.33		$ 0.33		$ 0.33
Dividends declared and paid, preference shares								$ 9,708,000	$ 5,595,000	$ 20,899,000	$ 16,786,000
Shares issued (In shares)								16,010,000		16,010,000		16,000,000
Par value (In dollars per share)								$ 1		$ 1		$ 1
Retained Earnings
Class of Stock [Line Items]
Dividends declared and paid, preference shares										$ 20,899,000	16,786,000
Dividends declared and paid, common shares										$ 39,611,000	$ 38,624,000
Common Shares
Class of Stock [Line Items]
Dividends per common share						$ 0.33
Share repurchase program, authorized amount													$ 500,000,000
Share repurchase program, shares repurchased (in shares)										0
Share repurchase program, remaining authorized aggregate amount								$ 500,000,000		$ 500,000,000
Series C Preference Shares
Class of Stock [Line Items]
Dividend rate, percentage										6.08%
Liquidation preference per annum (in dollars per share)								$ 1.52		$ 1.52
Liquidation preference quarterly (in dollars per share)								0.38		$ 0.38
Series E Preference Shares
Class of Stock [Line Items]
Dividend rate, percentage										5.375%
Liquidation preference per annum (in dollars per share)								1.34375		$ 1.34375
Liquidation preference quarterly (in dollars per share)								$ 0.3359375		$ 0.3359375
Series F Preference Shares
Class of Stock [Line Items]
Dividend rate, percentage							5.75%
Liquidation preference per annum (in dollars per share)							$ 1,437.50
Liquidation preference quarterly (in dollars per share)							$ 359.375
Shares issued (In shares)							10,000
Par value (In dollars per share)							$ 1
Liquidation preference (in dollars per share)							25,000
Redemption price per share (in dollars per share)							25,000
Series F Preference Shares \| Prior To June 30, 2023
Class of Stock [Line Items]
Redemption price per share (in dollars per share)							26,000
Depositary Shares
Class of Stock [Line Items]
Liquidation preference per annum (in dollars per share)							1.4375
Liquidation preference quarterly (in dollars per share)							$ 0.359375
Shares issued (In shares)							10,000,000
Percentage interest in underlying shares								0.10%		0.10%
Redemption price per share (in dollars per share)							$ 25
Depositary Shares \| Prior To June 30, 2023
Class of Stock [Line Items]
Redemption price per share (in dollars per share)							$ 26