Stockholders' Equity (Schedule of Stock-Based Compensation) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award
Stock-based compensation expense	$ 18,229	$ 23,695	$ 27,161
Deferred and Restricted Stock Unit
Share-based Compensation Arrangement by Share-based Payment Award
Stock-based compensation expense	15,462	15,594	16,487
Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award
Stock-based compensation expense	$ 2,767	$ 8,101	$ 10,674