Consolidated Statement of Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares |
3 Months Ended | |
|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
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| Additional Paid-in Capital [Member] | ||
| Shares withheld in net settlement upon exercise of stock options (in shares) | 36,243 | 11,031 |
| Common dividends, per share declared (in dollars per share) | $ 0.20 | $ 0.175 |
| X | ||||||||||
- Definition Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement. No definition available.
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| X | ||||||||||
- Details
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