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SHAREHOLDERS' EQUITY (Narrative) (Details) - $ / shares | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Class of Stock [Line Items] |  |
Cash dividends declared per common share (in usd per share) | $ 0.4 | $ 0.39
Series D Preferred Shares |  |
Class of Stock [Line Items] |  |
Cash dividends declared per preferred share (in usd per share) | 0.34375 | 0.34375
Series E Preferred Shares |  |
Class of Stock [Line Items] |  |
Cash dividends declared per preferred share (in usd per share) | $ 34.375 | $ 34.375

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- Definition Aggregate dividends declared during the period for each share of common stock outstanding. + References 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 + Details
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- Details
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