XML 52 R31.htm IDEA: XBRL DOCUMENT v3.20.1
Summary of Significant Accounting Policies - Additional Information (Details)
3 Months Ended
Mar. 31, 2020
Accounting Policies [Abstract]  
Cash and cash equivalents, description Cash and cash equivalents include funds on deposit with financial institutions, including demand deposits with financial institutions with original maturities of three months or less.