Share-Based Compensation - Stock Options and Restricted Stock Award Activity (Details)	9 Months Ended
	Sep. 30, 2021 $ / shares shares
Time-Based Restricted Stock Units
Number of Awards
Beginning balance (in shares) | shares	109,920
Granted (in shares) | shares	153,594
Vested/Exercised (in shares) | shares	0
Forfeited (in shares) | shares	0
Ending balance (in shares) | shares	263,514
Weighted Average Fair Value at Grant Date
Beginning balance (in dollars per share) | $ / shares	$ 28.20
Granted (in dollars per share) | $ / shares	38.72
Vested/Exercised (in dollars per share) | $ / shares	0
Forfeited (in dollars per share) | $ / shares	0
Ending balance (in dollars per share) | $ / shares	$ 34.33
Stock Options
Number of Awards
Beginning balance (in shares) | shares	199,764
Granted (in shares) | shares	0
Vested/Exercised (in shares) | shares	0
Forfeitures (in shares) | shares	(3,868)
Ending balance (in shares) | shares	195,896
Weighted Average Exercise Price
Beginning balance (in dollars per share) | $ / shares	$ 33.56
Granted (in dollars per share) | $ / shares	0
Vested/Exercised (in dollars per share) | $ / shares	0
Forfeited (in dollars per share) | $ / shares	33.56
Ending balance (in dollars per share) | $ / shares	$ 33.56
Performance-Based Restricted Stock Units
Number of Awards
Beginning balance (in shares) | shares	0
Granted (in shares) | shares	99,289
Vested/Exercised (in shares) | shares	0
Forfeited (in shares) | shares	0
Ending balance (in shares) | shares	99,289
Weighted Average Fair Value at Grant Date
Beginning balance (in dollars per share) | $ / shares	$ 0
Granted (in dollars per share) | $ / shares	33.44
Vested/Exercised (in dollars per share) | $ / shares	0
Forfeited (in dollars per share) | $ / shares	0
Ending balance (in dollars per share) | $ / shares	$ 33.44