Share-Based Compensation - Restricted Stock (Details) - Restricted Stock	9 Months Ended
	Sep. 30, 2022 USD ($) $ / shares shares
Restricted Stock Activity
Outstanding at the beginning of the period (in shares) | shares	3,066
Assumed restricted stock shares from ACBI merger (in shares) | shares	84,224
Vested (in shares) | shares	(29,220)
Forfeited (in shares) | shares	(2,816)
Outstanding at the end of the period (in shares) | shares	55,254
Weighted-Average Grant-Date Fair Value
Outstanding at the beginning of the period (in dollars per share) | $ / shares	$ 67.31
Assumed restricted stock shares from ACBI merger (in dollars per share) | $ / shares	90.00
Vested (in dollars per share) | $ / shares	89.91
Forfeited (in dollars per share) | $ / shares	90.00
Outstanding at the end of the period (in dollars per share) | $ / shares	$ 88.79
Additional disclosures
Total unrecognized compensation cost related to nonvested restricted stock and RSUs granted | $	$ 3,400,000
Weighted-average period over which unrecognized compensation cost is expected to be recognized	1 year 5 months 23 days
Total fair value of shares vested during the period | $	$ 2,321,000
Employees
Share-Based Compensation
Vesting period	4 years