Note 8 - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended				12 Months Ended
	Dec. 31, 2025	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Preferred Stock, Shares Authorized (in shares)	50,000,000				50,000,000	50,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.01				$ 0.01	$ 0.01
Preferred Stock, Shares Outstanding (in shares)	0				0	0
Common Stock, Shares Authorized (in shares)	450,000,000				450,000,000	450,000,000
Common Stock, Par or Stated Value Per Share (in dollars per share)	$ 0.01				$ 0.01	$ 0.01
Common Stock, Dividends, Per Share, Declared (in dollars per share)	$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.4	$ 0.4	$ 0.4
Common Stock, Shares, Issued (in shares)	114,228,838				114,228,838
Common Stock, Shares, Outstanding (in shares)	112,284,138				112,284,138	144,993,614
Treasury Stock, Common, Shares (in shares)	1,944,700				1,944,700	837,803
Payments of Ordinary Dividends, Common Stock					$ 54	$ 58	$ 58