Stockholders' Equity, Performance Restricted Stock Unit Activity (Details) - Performance Restricted Stock Units [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Number of Shares [Abstract]
Non-vested at beginning of period (in shares)	143
Granted (in shares)	158
Vested (in shares)	(75)
Non-vested at end of period (in shares)	226	143
Weighted Average Grant Date Fair Value per Share [Abstract]
Non-vested at beginning of period (in dollars per share)	$ 52.59
Granted (in dollars per share)	57.43	$ 42.28	$ 77.17
Vested (in dollars per share)	52.43
Non-vested at end of period (in dollars per share)	$ 56.04	$ 52.59
Unrecognized Compensation Expense [Abstract]
Unrecognized compensation cost related to non-vested units	$ 4.4
Weighted average period for recognition	1 year 4 months 24 days