Stock-Based Compensation, Restricted Shares (Details) - Restricted Shares - 2024 Directors Restricted Stock Plan - USD ($) $ / shares in Units, $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2024	May 16, 2024
Stock-Based Compensation
Total shares available for granting under plan	478,160			478,160	500,000
Restricted share activity
Restricted shares outstanding at the beginning of the period (in shares)	21,840	0	0	0
Restricted shares granted (in shares)	0	21,840	0
Restricted shares outstanding at the end of the period (in shares)	21,840	21,840	0	21,840
Fair Value at Grant Date
Fair value at the grant date, restricted shares outstanding at the beginning of the period (in dollars per share)	$ 65.96	$ 0	$ 0	$ 0
Fair value of restricted shares granted (in dollars per share)	0	65.96	0
Fair value at the grant date, restricted shares outstanding at the end of the period (in dollars per share)	$ 65.96	$ 65.96	$ 0	$ 65.96
Weighted Average Remaining Amortization Term (in years)		10 months 13 days		7 months 13 days
Total compensation cost related to non-vested restricted shares not yet recognized (in dollars)	$ 0.9			$ 0.9
Weighted average expected amortization period				7 months 13 days