Stock-based Compensation - RSAs & Performance-Based RSUs (Details)	3 Months Ended
	Mar. 31, 2022 $ / shares shares
RSAs
Number of shares
Beginning balance (in shares) | shares	62,691
Granted (in shares) | shares	42,057
Vested (in shares) | shares	(39,323)
Ending balance (in shares) | shares	65,425
Weighted average price at grant
Beginning balance (in dollars per share) | $ / shares	$ 53.49
Granted (in dollars per share) | $ / shares	56.42
Vested (in dollars per share) | $ / shares	53.73
Ending balance (in dollars per share) | $ / shares	$ 55.23
RSUs
Number of shares
Beginning balance (in shares) | shares	90,942
Granted (in shares) | shares	35,911
Performance criteria adjustment (in shares) | shares	12,173
Vested (in shares) | shares	(32,913)
Forfeited (in shares) | shares	(5,733)
Ending balance (in shares) | shares	100,380
Weighted average price at grant
Beginning balance (in dollars per share) | $ / shares	$ 52.71
Granted (in dollars per share) | $ / shares	56.42
Performance criteria adjustment (in dollars per share) | $ / shares	58.63
Vested (in dollars per share) | $ / shares	58.63
Forfeited (in dollars per share) | $ / shares	52.83
Ending balance (in dollars per share) | $ / shares	$ 54.01