Stock-Based Compensation (Restricted shares, performance-based restricted share units and performance share unit activity) (Details) - $ / shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Number of Awards
Balance as of beginning of period (in shares)	2,375,598
Awards granted (in shares)	1,031,729
Awards vested (in shares)	(759,352)
Awards forfeited, canceled or expired (in shares)	(305,321)
Performance-based adjustment (in shares)	123,098
Balance as of end of period (in shares)	2,465,752	2,375,598
Weighted Average Grant Date Fair Value
Balance at beginning of period (in dollars per share)	$ 41.21
Awards granted (in dollars per share)	46.78	$ 45.82	$ 34.36
Awards vested (in dollars per share)	43.69
Awards forfeited, canceled or expired (in dollars per share)	40.71
Performance-based adjustment (in dollars per share)	46.79
Balance at end of period (in dollars per share)	$ 43.10	$ 41.21