Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-000207-index-headers.html | 2021-01-04 07:02:02 | |
| 0001193125-21-000207-index.html | 2021-01-04 07:02:02 | |
| 0001193125-21-000207.txt | 2021-01-04 07:02:02 | |
 0001193125-21-000207-xbrl.zip | 35115 | 2021-01-04 07:02:02 |
| bmch-20201231.xsd | 3080 | 2021-01-04 07:02:02 |
| bmch-20201231_lab.xml | 18888 | 2021-01-04 07:02:02 |
| bmch-20201231_pre.xml | 11866 | 2021-01-04 07:02:02 |
| d13435d8k.htm | 46279 | 2021-01-04 07:02:02 |
| d13435d8k_htm.xml | 3567 | 2021-01-04 07:02:02 |
| d13435dex31.htm | 6712 | 2021-01-04 07:02:02 |
| d13435dex32.htm | 148357 | 2021-01-04 07:02:02 |
| FilingSummary.xml | 1759 | 2021-01-04 07:02:02 |
| Financial_Report.xlsx | 5513 | 2021-01-04 07:02:02 |
| MetaLinks.json | 19548 | 2021-01-04 07:02:02 |
| R1.htm | 41711 | 2021-01-04 07:02:02 |
| report.css | 2767 | 2021-01-04 07:02:02 |
| Show.js | 1085 | 2021-01-04 07:02:02 |