Fair Value Measurement (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Dec. 31, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities	$ 297,761	$ 289,307
Investments under executive deferred compensation plan	34,663	33,564
Private equity securities	27,730	168,928
Private equity securities measured at net asset value	4,534	4,536
Foreign currency forward contracts, assets	1,048	17,829
Obligations under executive deferred compensation plan	34,663	33,564
Foreign currency forward contracts, liabilities	7,510	5,752
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance at December 31, 2023	289,307
PIK dividends	17,619
Cash received for tax liability	(9,165)
Ending balance at June 30, 2024	297,761
Quoted Prices in Active Markets for Identical Items (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities	0	0
Investments under executive deferred compensation plan	34,663	33,564
Private equity securities	27,730	168,928
Private equity securities measured at net asset value	0	0
Foreign currency forward contracts, assets	0	0
Obligations under executive deferred compensation plan	34,663	33,564
Foreign currency forward contracts, liabilities	0	0
Quoted Prices in Active Markets for Similar Items (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities	0	0
Investments under executive deferred compensation plan	0	0
Private equity securities	0	0
Private equity securities measured at net asset value	0	0
Foreign currency forward contracts, assets	1,048	17,829
Obligations under executive deferred compensation plan	0	0
Foreign currency forward contracts, liabilities	7,510	5,752
Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available for sale debt securities	297,761	289,307
Investments under executive deferred compensation plan	0	0
Private equity securities	0	0
Private equity securities measured at net asset value	0	0
Foreign currency forward contracts, assets	0	0
Obligations under executive deferred compensation plan	0	0
Foreign currency forward contracts, liabilities	$ 0	$ 0