Note 7 - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended				12 Months Ended
	Dec. 17, 2022	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
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, Shares, Issued (in shares)		145,831,417				145,831,417
Common Stock, Shares, Outstanding (in shares)		144,993,614				144,993,614	144,386,484
Treasury Stock, Common, Shares (in shares)		837,803				837,803	474,981
Common Stock, Dividends, Per Share, Declared (in dollars per share)		$ 0.1	$ 0.1	$ 0.1	$ 0.1	$ 0.4	$ 0.4	$ 0.4
Payments of Ordinary Dividends, Common Stock						$ 58	$ 58	$ 58
Treasury Stock, Shares, Retired (in shares)	13,477,933
Additional Paid-in Capital [Member]
Treasury Stock, Retired, Value	$ 216