Revenue Recognition - Schedule Of Graduation Fund Liability (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Graduation Fund [Roll Forward]
Balance at beginning of period	$ 46,842	$ 52,024
Revenue deferred	20,173	16,897
Benefit redeemed	(22,535)	(22,079)
Balance at end of period	$ 44,480	$ 46,842