Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Summary of Fair Value Assets Measured on Recurring Basis

The fair value information related to these assets is summarized in the following tables:

			Fair Value Measurements at Reporting Date Using
(in thousands)	September 30, 2021		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Money market funds (1)	$	50,001	$	50,001	$	—	$	—
Other mutual funds (2)		3,903		3,903		—		—
Total assets at fair value on a recurring basis	$	53,904	$	53,904	$	—	$	—

			Fair Value Measurements at Reporting Date Using
(in thousands)	December 31, 2020		Quoted Prices in Active Markets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets:
Money market funds (1)	$	2	$	2	$	—	$	—
Other mutual funds (2)		3,457		3,457		—		—
Total assets at fair value on a recurring basis	$	3,459	$	3,459	$	—	$	—

(1)We include money market funds in “Cash and cash equivalents” in the Condensed Consolidated Balance Sheets. We classify these investments as available-for-sale and record them at fair value. There have been no realized gains or losses related to these investments and we have not experienced any redemption restrictions with respect to any of the money market mutual funds.

(2)We include other mutual funds in “Other investments and assets” in the Condensed Consolidated Balance Sheets.