Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Net Income (Loss)	$ 21,686	$ 23,903
Other comprehensive income (loss), before income tax:
Accumulated postretirement benefit obligation adjustment	24	228
Unrealized gains (losses) on investments arising during the period	320	(4,342)
Reclassification adjustment for sale of securities included in net income	0	104
Reclassification adjustment for write-down of securities included in net income	208	172
Other comprehensive income (loss), before income tax	552	(3,838)
Income tax expense related to postretirement health benefits	5	48
Income tax expense (benefit) related to net unrealized gains (losses) on investments arising during the year	61	(921)
Income tax expense related to reclassification adjustment for sale of securities included in net income	0	22
Income tax expense related to reclassification adjustment for write-down of securities included in net income	48	39
Net income tax expense (benefit) on other comprehensive income (loss)	114	(812)
Other comprehensive income (loss)	438	(3,026)
Comprehensive Income	$ 22,124	$ 20,877