XML 120 R101.htm IDEA: XBRL DOCUMENT v3.20.2
Earnings Per Share - Additional Information (Detail) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Earnings Per Share [Line Items]        
Anti-dilutive common stock equivalents excluded from calculation of diluted earnings per share 358,056 59,584 449,043 56,208
Dilutive common stock equivalents 0 194,000 0 192,000
Convertible Common Stock [Member]        
Earnings Per Share [Line Items]        
Convertible debt instrument conversion price $ 5.92   $ 5.92