Earnings Per Share - Additional Information (Detail) - shares |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Anti-dilutive securities excluded from computation of earnings per share | 5,691,000 | 164,000 | 5,598,000 | 164,000 |
| In The Money Warrants And Preferred Shares [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Anti-dilutive securities excluded from computation of earnings per share | 25,000 | 5,021,000 | 118,000 | 5,021,000 |