Consolidated Statements of Changes in Stockholders' Equity (Parentheticals) - shares	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Stockholders' Equity [Abstract]
Shares of common stock issued under compensation plans	97,225	152,201	487,511	567,095

Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).

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