CONDENSED CONSOLIDATED STATEMENTS OF INCOME (unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Accumulated other comprehensive income reclassification for change in fair value of interest rate swap agreements	$ (55)	$ 26	$ (151)	$ 144
Accumulated other comprehensive income reclassifications for net realized gains on available-for-sale securities	0	0	52	651
Income tax expense from reclassification	$ 12	$ (7)	$ 43	$ 106