| Consolidated Statements of Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares | 3 Months Ended | |
|---|---|---|
| Mar. 31, 2023 | Mar. 31, 2022 | |
| Dividends declared, per share (in dollars per share) | $ 0.20 | $ 0.20 | 
| 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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