Equity Incentive Plans (Restricted stock award and restricted stock unit award activity) (Details) - Restricted stock unit	6 Months Ended
	Jun. 30, 2023 $ / shares shares
Shares
Outstanding at beginning of period (in shares) | shares	129,666
Forfeited/Cancelled (in shares) | shares	(3,699)
Vested and Issued as Common Stock (in shares) | shares	(54,901)
Outstanding at end of period (in shares) | shares	71,066
Weighted Avg Grant Date Fair Value
Outstanding at beginning of period (in dollars per share) | $ / shares	$ 27.11
Forfeited/Cancelled (in dollars per share) | $ / shares	39.54
Vested and Issued as Common Stock (in dollars per shares) | $ / shares	29.97
Outstanding at end of period (in dollars per share) | $ / shares	$ 24.25