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Stock-Based Compensation - Schedule of Outstanding Restricted Stock (Details) - Long-Term Restricted Stock - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Number of Units      
Nonvested, beginning (in shares) 172,105 159,366 129,251
Granted during the period (in shares) 104,414 68,704 82,826
Vested during the period (in shares) (63,369) (55,965) (51,757)
Forfeited or expired during the period (in shares) (6,819) 0 (954)
Nonvested, ending (in shares) 206,331 172,105 159,366
Weighted-Average Grant-Date Fair Value      
Nonvested, beginning (in usd per share) $ 33.80 $ 36.79 $ 32.39
Granted during the period (in usd per share) 40.56 26.96 36.36
Vested during the period (in usd per share) 39.82 33.91 25.02
Forfeited or expired during the period (in usd per share) 37.32 0 41.93
Nonvested, ending (in usd per share) $ 35.25 $ 33.80 $ 36.79