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Earnings Per Share: Anti-dilutive shares (Details) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive shares (in shares) 0 33
Equity compensation - (in shares)    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive shares (in shares) 0 14
Restricted Stock (in shares)    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive shares (in shares) 0 19