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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares |  |  | 12 Months Ended
--- | --- | --- | ---
May 31, 2018 | May 31, 2017 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Statement of Stockholders' Equity [Abstract] |  |  |  |  |
Cash dividend declared, per share |  |  | $ 1.40 | $ 0.71 | $ 0.64
Stock dividend issued | 5.00% | 5.00% |  | 5.00% | 5.00%

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- Definition Percentage of stock dividend issued. + References No definition available. + Details
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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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- References No definition available. + Details
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