Performance Incentive Plan (Restricted Stock Activity) (Details)	12 Months Ended
	Dec. 31, 2023 $ / shares shares
Number of Shares
Restricted shares granted (in shares) | shares	33,400
Weighted Average Share Price
Restricted shares granted (in dollars per share) | $ / shares	$ 41.48
Restricted stock
Number of Shares
Non-vested restricted shares, January 1 (in shares) | shares	991,201
Restricted shares granted (in shares) | shares	335,278,000
Restricted shares vested (in shares) | shares	(228,394)
Restricted shares forfeited (in shares) | shares	(59,961)
Non-vested restricted shares, December 31 (in shares) | shares	1,038,124
Weighted Average Share Price
Non-vested restricted shares, January 1 (in dollars per share) | $ / shares	$ 46.06
Restricted shares granted (in dollars per share) | $ / shares	46.29
Restricted shares vested (in dollars per share) | $ / shares	52.09
Restricted shares forfeited (in dollars per share) | $ / shares	56.20
Non-vested restricted shares, December 31 (in dollars per share) | $ / shares	$ 44.23