CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Accumulated other comprehensive income reclassification for change in fair value of interest rate swap agreements	$ 0	$ 0	$ (151)
Accumulated other comprehensive income reclassifications for net realized gains on available-for-sale securities	1,168	74	52
Accumulated other comprehensive income reclassifications on employee benefits	(257)	(168)	(174)
Income tax expense	$ 299	$ 51	$ 79