XML 15 R39.htm IDEA: XBRL DOCUMENT v3.20.1
IPO - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended
May 31, 2019
Mar. 31, 2020
Dec. 31, 2019
Initial Public Offering [Line Items]      
Conversion of stock Employee Stock Ownership Plan 10,075    
Shares in Employee Stock Ownership Plan 13,443,484 11,653,776 11,790,113
Common Stock [Member] | IPO [Member]      
Initial Public Offering [Line Items]      
Common stock sold 6,250,000    
Sale of shares prices $ 17    
Cash inflow of issuance of stock $ 99,344    
Common Stock [Member] | Underwriter [Member] | IPO [Member]      
Initial Public Offering [Line Items]      
Common stock sold 152,209    
Sale of shares prices $ 17    
Cash inflow of issuance of stock $ 2,419    
May 2019 IPO [Member]      
Initial Public Offering [Line Items]      
Dividend stock split conversion ratio 133434.00%