Employee Benefits - Summary of Equity-Based Awards for Employees (Details)	9 Months Ended
	Sep. 30, 2023 $ / shares shares
Common Stock Awards
Awards
Nonvested common stock awards, Beginning balance (in shares) | shares	157,117
Granted (in shares) | shares	75,928
Vested (in shares) | shares	(108,110)
Forfeited/Cancelled (in shares) | shares	(1,722)
Nonvested common stock awards, Ending balance (in shares) | shares	123,213
Weighted Average Grant Date Fair Value Per Share
Nonvested performance-based stock awards, Beginning balance (in USD per share) | $ / shares	$ 77.31
Granted (in USD per share) | $ / shares	111.03
Vested (in USD per share) | $ / shares	71.28
Forfeited/Cancelled (in USD per share) | $ / shares	98.85
Nonvested performance-based stock awards, Ending balance (in USD per share) | $ / shares	$ 103.08
Performance-Based Stock Awards
Awards
Nonvested performance-based stock awards/units, Beginning balance (in shares) | shares	126,053
Granted (in shares) | shares	69,281
Forfeited/Cancelled (in shares) | shares	0
Vested (in shares) | shares	(50,994)
Nonvested performance-based stock awards/units, Ending balance (in shares) | shares	144,340
Weighted Average Grant Date Fair Value Per Share
Nonvested performance-based stock awards/units, Beginning balance (in USD per share) | $ / shares	$ 103.37
Granted (in USD per share) | $ / shares	109.09
Vested (in USD per share) | $ / shares	95.78
Forfeited/Cancelled (in USD per share) | $ / shares	0
Nonvested performance-based stock awards/units, Ending balance (in USD per share) | $ / shares	$ 108.80
Performance-Based Restricted Stock Units
Awards
Nonvested performance-based stock awards/units, Beginning balance (in shares) | shares	15,711
Granted (in shares) | shares	14,730
Forfeited/Cancelled (in shares) | shares	(495)
Vested (in shares) | shares	(15,518)
Nonvested performance-based stock awards/units, Ending balance (in shares) | shares	14,428
Weighted Average Grant Date Fair Value Per Share
Nonvested performance-based stock awards/units, Beginning balance (in USD per share) | $ / shares	$ 80.55
Granted (in USD per share) | $ / shares	111.84
Vested (in USD per share) | $ / shares	80.76
Forfeited/Cancelled (in USD per share) | $ / shares	96.61
Nonvested performance-based stock awards/units, Ending balance (in USD per share) | $ / shares	$ 111.71