Fair Value Measurements

6 Months Ended

Jun. 30, 2021

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

The following tables present the Company’s fair value hierarchy for financial assets and liabilities measured as of June 30, 2021 and December 31, 2020 ($ in millions):

	June 30, 2021
	Level 1		Level 2		Level 3		Total
Assets:
U.S. Government obligations	$	—	$	71.2	$	—	$	71.2
Total	$	—	$	71.2	$	—	$	71.2

	December 31, 2020
	Level 1		Level 2		Level 3		Total
Assets:
U.S. Government obligations	$	—	$	6.6	$	—	$	6.6
Total	$	—	$	6.6	$	—	$	6.6

There were no transfers between Level 1, Level 2, or Level 3 during the three and six months ended June 30, 2021 and December 31, 2020, respectively.