Annual report pursuant to Section 13 and 15(d)

SUBSEQUENT EVENT (Narrative) (Details)

v3.20.4
SUBSEQUENT EVENT (Narrative) (Details) - Subsequent Event [Member] - Plan [Member] - Apollo Global Management [Member]
$ / shares in Units, $ in Millions
Mar. 02, 2021
USD ($)
$ / shares
Subsequent Event [Line Items]  
Merger agreement, price per share to acquire outstanding shares | $ / shares $ 22.00
Merger agreement, tender offer open period 20 days
Merger agreement, go shop offer open period 25 days
Merger agreement, contract termination | $ $ 104