Nature of Operations and Summary of Significant Accounting Policies - Marketable Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 686,516	$ 949,257
Gross unrealized holding gains	430
Gross unrealized holding losses		(5,026)
Fair market value	$ 686,946	944,231
Marketable Securities
Maximum period for redemption	1 year
Bond and bond funds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 676,644	629,280
Gross unrealized holding gains	430
Gross unrealized holding losses		(5,026)
Fair market value	677,074	624,254
Commercial Paper
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	9,872	319,977
Fair market value	$ 9,872	$ 319,977