Employee Benefits (Narrative) (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2026 USD ($) fund	Mar. 31, 2025 USD ($)	Dec. 31, 2025 USD ($)
Schedule Of Employee Benefits [Line Items]
Number of investment funds | fund	2
Number of fixed income funds | fund	2
Employer contribution	$ 0	$ 0
Percentage of internal revenue contribution	25.00%
Percentage of internal revenue service limitations	6.00%
Employer contribution in defined contribution plan	$ 251		$ 280
Group Term Replacement Plan
Schedule Of Employee Benefits [Line Items]
Liability related to these postretirement benefits	1,773		1,761
Postemployment benefit expense	12	12
Other Director and Officer Postretirement Benefits
Schedule Of Employee Benefits [Line Items]
Liability related to these postretirement benefits	2,162		2,154
Postemployment benefit expense	$ 11	28
Minimum | Other Director and Officer Postretirement Benefits
Schedule Of Employee Benefits [Line Items]
Post retirement benefit period	15 years
Maximum | Other Director and Officer Postretirement Benefits
Schedule Of Employee Benefits [Line Items]
Post retirement benefit period	20 years
Officers | Executive Plan
Schedule Of Employee Benefits [Line Items]
Deferred compensation arrangement liability	$ 1,885		1,630
Deferred compensation arrangement expense	$ 369	190
Officers | Minimum | Executive Plan
Schedule Of Employee Benefits [Line Items]
Terms of services	1 year
Officers | Maximum | Executive Plan
Schedule Of Employee Benefits [Line Items]
Terms of services	5 years
Directors' Plan | Directors
Schedule Of Employee Benefits [Line Items]
Deferred compensation arrangement liability	$ 2,025		$ 3,429
Deferred compensation arrangement expense	$ 80	$ 87