XML 15 R8.htm IDEA: XBRL DOCUMENT v3.21.2
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - Parenthetical
6 Months Ended
Jun. 30, 2021
Statement of Stockholders' Equity [Abstract]  
Accounting Standards Update [Extensible List] us-gaap:AccountingStandardsUpdate201613Member