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Stock-Based Compensation - Stock Options (Details)
 3 Months Ended
Sep. 30, 2021
$ / shares
shares
Shares  
Outstanding options at beginning of period (in shares) | shares 161,723
Options granted (in shares) | shares 0
Options exercised (in shares) | shares 0
Outstanding options at end of period (in shares) | shares 161,723
Exercisable at end of period (in shares) | shares 134,237
Weighted Average Exercise Price/Share  
Outstanding options at beginning of period (in dollars per share) | $ / shares $ 32.64
Options granted (in dollars per share) | $ / shares 0
Options exercised (in dollars per share) | $ / shares 0
Outstanding options at end of period (in dollars per share) | $ / shares 32.64
Exercisable at end of period (in dollars per share) | $ / shares $ 31.46