XML 99 R88.htm IDEA: XBRL DOCUMENT v3.23.2
FAIR VALUE MEASUREMENTS - UNREALIZED GAIN OR LOSS ON INVESTMENTS (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Fair Value Disclosures [Abstract]        
Net unrealized gains included in earnings related to investments held at end of period $ 3.6   $ 6.4  
Net unrealized losses included in earnings related to investments held at end of period   $ 10.1   $ 13.4