Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 1,371	$ 2,105
Securities available for sale:
Unrealized holding gains on available-for-sale securities	1,566	2,369
Tax effect	(329)	(498)
Total securities available-for-sale	1,237	1,871
Change in post-retirement obligations	(4)	7
Total other comprehensive income	1,233	1,878
Total comprehensive income	$ 2,604	$ 3,983

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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