Stock-Based Compensation Expense - PSUs Fair Value Calculation Assumptions (Details) - Stock-Settled Performance-Based Restricted Stock Units	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate, minimum	3.90%
Risk-free interest rate, maximum	4.60%
Risk-free interest rate		1.60%
Expected option term / Performance Period	2 years 9 months 18 days	2 years 9 months 18 days
Expected price volatility, minimum	31.40%
Expected price volatility, maximum	32.60%
Expected price volatility		42.60%