Stock-based Compensation - RSAs & Performance-Based RSUs (Details)	6 Months Ended
	Jun. 30, 2023 $ / shares shares
RSAs
Number of shares
Beginning balance (in shares) | shares	52,066
Granted (in shares) | shares	42,767
Vested (in shares) | shares	(33,155)
Forfeited (in shares) | shares	0
Ending balance (in shares) | shares	61,678
Weighted average price at grant
Beginning balance (in dollars per share) | $ / shares	$ 55.77
Granted (in dollars per share) | $ / shares	55.47
Vested (in dollars per share) | $ / shares	55.82
Forfeited (in dollars per share) | $ / shares	0
Ending balance (in dollars per share) | $ / shares	$ 55.54
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	(9,250)
Ending balance (in shares) | shares	101,241
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	53.66
Ending balance (in dollars per share) | $ / shares	$ 55.38