Share-Based Payments (Performance Share Awards (PSAs) Activity) (Details) - PSUs	12 Months Ended
	Dec. 31, 2023 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Issued | shares	64,673
RSUs
Nonvested, Beginning Balance (in shares) | shares	253,044
Granted (in shares) | shares	99,626
Vested (in shares) | shares	(65,578)
Reinvested dividend equivalents (in shares) | shares	2,392
Forfeited (in shares) | shares	(37,704)
Nonvested, Ending Balance (in shares) | shares	251,780
Weighted Average Grant Date Fair Value Per Share
Nonvested, Beginning Balance (in dollars per share) | $ / shares	$ 221.59
Granted (in dollars per share) | $ / shares	238.24
Vested (in dollars per share) | $ / shares	217.66
Reinvested dividend equivalents (in dollars per share) | $ / shares	226.48
Forfeited (in dollars per share) | $ / shares	223.30
Nonvested, Ending Balance (in dollars per share) | $ / shares	228.99
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased | $ / shares	$ 217.49