XML 19 R7.htm IDEA: XBRL DOCUMENT v3.20.2
CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDER'S EQUITY (UNAUDITED) (PARENTHETICAL)
12 Months Ended
Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]  
Accounting Standards Update [Extensible List] us-gaap:AccountingStandardsUpdate201613Member