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Condensed Consolidated Statement Of Stockholders' Equity (Parenthetical) - $ / shares | 3 Months Ended
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Jun. 30, 2019 | Mar. 31, 2019 | Jun. 30, 2018 | Mar. 31, 2018
Statement of Stockholders' Equity [Abstract] |  |  |  |
Issuance of common stock (in shares) | 27,965 | 137,040 | 2,419 | 223,768
Cash dividend (in usd per share) | $ 0.65 | $ 0.60 | $ 0.60 | $ 0.55

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