v3.26.1
Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)
$ / shares in Thousands, $ in Millions
Jun. 30, 2026
Dec. 31, 2025
Series A Perpetual Preferred Stock, par value (in dollars per share) $ 0 $ 0
Temporary Equity, Shares Authorized (in shares) 1,500,000 1,500,000
Temporary Equity, Shares Issued (in shares) 600,000 600,000
Temporary Equity, Shares Outstanding (in shares) 650,000 650,000
Series A Perpetual Preferred Stock, liquidation value $ 650 $ 600
Common Stock, Shares Authorized (in shares) 200,000,000 200,000,000
Common Stock (No Par Value) [Member]    
Common stock, par value (in dollars per share) $ 0 $ 0
Common stock, shares issued (in shares) 115,287,978 113,779,383
Common stock, shares outstanding (in shares) 93,115,076 92,444,984
Treasury stock, shares (in shares) 22,172,902 21,334,399
Class A Common Stock (No Par Value) [Member]    
Common stock, par value (in dollars per share) $ 0 $ 0
Common Stock, Shares Authorized (in shares) 25,000,000 25,000,000
Common stock, shares issued (in shares) 12,978,335 12,198,808
Common stock, shares outstanding (in shares) 9,869,307 9,557,830
Treasury stock, shares (in shares) 3,109,028 2,640,978