Shareholders’ Equity (Dividends) (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Shareholders’ Equity [Abstract]
Common stock dividends paid in aggregate	$ 349,800	$ 349,600	$ 699,600	$ 699,100
Common stock dividends paid per share	$ 2.00	$ 2.00	$ 4.00	$ 4.00
Preferred share dividends	$ 52,952	$ 53,525	$ 104,957	$ 108,537

Aggregate dividends paid 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=27012166&loc=d3e187085-122770

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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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- Definition

The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.

+ References

No definition available.

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