Stock-based Compensation - RSAs & Performance-Based RSUs (Details)	9 Months Ended
	Sep. 30, 2023 $ / shares shares
RSAs
Number of shares
Beginning balance (in shares) | shares	52,066
Granted (in shares) | shares	43,834
Vested (in shares) | shares	(37,210)
Forfeited (in shares) | shares	(2,025)
Ending balance (in shares) | shares	56,665
Weighted average price at grant
Beginning balance (in dollars per share) | $ / shares	$ 55.77
Granted (in dollars per share) | $ / shares	55.38
Vested (in dollars per share) | $ / shares	55.76
Forfeited (in dollars per share) | $ / shares	55.59
Ending balance (in dollars per share) | $ / shares	$ 55.50
RSUs
Number of shares
Beginning balance (in shares) | shares	92,625
Granted (in shares) | shares	43,633
Performance criteria adjustment (in shares) | shares	14,822
Vested (in shares) | shares	(40,589)
Forfeited (in shares) | shares	(14,309)
Ending balance (in shares) | shares	96,182
Weighted average price at grant
Beginning balance (in dollars per share) | $ / shares	$ 54.06
Granted (in dollars per share) | $ / shares	55.48
Performance criteria adjustment (in dollars per share) | $ / shares	56.84
Vested (in dollars per share) | $ / shares	56.84
Forfeited (in dollars per share) | $ / shares	54.25
Ending balance (in dollars per share) | $ / shares	$ 55.40