Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Note 14 - Common Shares (Details Textual) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Feb. 13, 2025	Feb. 22, 2024	Feb. 10, 2023	Feb. 09, 2023	Feb. 10, 2022	Feb. 09, 2021
Common Stock, Shares Authorized (in shares)	250,000,000	250,000,000
Common Stock, Shares, Outstanding (in shares)	11,014,655	10,903,405
Stock Buyback Program 2025 [Member] \| Subsequent Event [Member]
Share Repurchase Program, Authorized, Amount					$ 40
Stock Buyback Program 2024 [Member]
Share Repurchase Program, Authorized, Amount						$ 40
Stock Repurchased and Retired During Period, Shares (in shares)	0
Stock Buyback Program 2023 [Member]
Share Repurchase Program, Authorized, Amount							$ 40	$ 40
Stock Repurchased and Retired During Period, Shares (in shares)		0
Stock Buyback Program 2022 [Member]
Share Repurchase Program, Authorized, Amount									$ 40
Stock Repurchased and Retired During Period, Shares (in shares)			0
Stock Buyback Program 2021 [Member]
Share Repurchase Program, Authorized, Amount										$ 40
Stock Repurchased and Retired During Period, Shares (in shares)				0