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Stock Based Compensation - Stock Option Award Activity (Details) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Number of Shares      
Outstanding, beginning of year (in shares) 4,240,004 4,364,161 5,831,119
Grants in period, gross 1,846,534 15,000 432,000
Exercised (in shares) (1,402,057) (139,157) (1,898,958)
Forfeited (in shares) 0 0 0
Cancelled (in shares) 0 0 0
Outstanding, end of year (in shares) 4,684,481 4,240,004 4,364,161
Weighted- Average Exercise Price      
Outstanding, beginning of year, weighted average exercise price (in dollars per share) $ 23.64 $ 23.37 $ 22.22
Granted, Weighted-Average Exercise Price ( in dollars per share) 28.97 53.32 23.90
Exercised, Weighted-Average Exercise Price ( in dollars per share) 21.77 19.87 19.96
Outstanding, end of year, weighted average exercise price (in dollars per share) $ 26.30 $ 23.64 $ 23.37