Share-Based Payments (Nonvested restricted stock activity) (Details) - Restricted Stock Units (RSUs)	12 Months Ended
	Dec. 31, 2022 $ / shares shares
RSUs
Nonvested, Beginning Balance (in shares) | shares	809,884
Granted (in shares) | shares	207,009
Vested (in shares) | shares	(364,085)
Reinvested dividend equivalents (in shares) | shares	4,981
Forfeited (in shares) | shares	(37,191)
Nonvested, Ending Balance (in shares) | shares	620,598
Weighted Average Grant Date Fair Value Per Share
Nonvested, Beginning Balance (in dollars per share) | $ / shares	$ 125.71
Granted (in dollars per share) | $ / shares	200.18
Vested (in dollars per share) | $ / shares	90.36
Reinvested dividend equivalents (in dollars per share) | $ / shares	157.96
Forfeited (in dollars per share) | $ / shares	164.12
Nonvested, Ending Balance (in dollars per share) | $ / shares	$ 169.24