| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jan 4, 2022 | Jan 1, 2022 | 001-37391 | 
| 4 | Open Document | Open Filing | FORM 4 | Dec 15, 2021 | Dec 14, 2021 | 001-37391 | 
| 4 | Open Document | Open Filing | FORM 4 | Jul 21, 2021 | Jul 21, 2021 | 001-37391 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 21, 2021 | Apr 20, 2021 | 001-37391 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 24, 2020 | Aug 20, 2020 | 001-37391 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 24, 2020 | Jul 23, 2020 | 001-37391 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 22, 2020 | Jul 21, 2020 | 001-37391 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 25, 2019 | Jul 23, 2019 | 001-37391 | 
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 29, 2019 | May 23, 2019 | 001-37391 |