Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-20-021236-index-headers.html | 2020-05-05 16:03:00 | |
| 0001564590-20-021236-index.html | 2020-05-05 16:03:00 | |
| 0001564590-20-021236.txt | 2020-05-05 16:03:00 | |
 0001564590-20-021236-xbrl.zip | 396094 | 2020-05-05 16:03:00 |
| by-10q_20200331.htm | 9530050 | 2020-05-05 16:03:00 |
| by-20200331.xml | 9310724 | 2020-05-05 16:03:00 |
| by-20200331.xsd | 123618 | 2020-05-05 16:03:00 |
| by-20200331_cal.xml | 153223 | 2020-05-05 16:03:00 |
| by-20200331_def.xml | 535812 | 2020-05-05 16:03:00 |
| by-20200331_lab.xml | 925923 | 2020-05-05 16:03:00 |
| by-20200331_pre.xml | 831382 | 2020-05-05 16:03:00 |
| by-ex311_8.htm | 10868 | 2020-05-05 16:03:00 |
| by-ex312_7.htm | 10883 | 2020-05-05 16:03:00 |
| by-ex321_6.htm | 11561 | 2020-05-05 16:03:00 |
| FilingSummary.xml | 81859 | 2020-05-05 16:03:00 |
| Financial_Report.xlsx | 155769 | 2020-05-05 16:03:00 |
 gq3m3rnk0eqq000001.jpg | 7286 | 2020-05-05 16:03:00 |
| R1.htm | 55615 | 2020-05-05 16:03:00 |
| R10.htm | 17542 | 2020-05-05 16:03:00 |
| R100.htm | 23070 | 2020-05-05 16:03:00 |
| R101.htm | 35852 | 2020-05-05 16:03:00 |
| R102.htm | 10837 | 2020-05-05 16:03:00 |
| R103.htm | 18876 | 2020-05-05 16:03:00 |
| R104.htm | 10519 | 2020-05-05 16:03:00 |
| R105.htm | 30647 | 2020-05-05 16:03:00 |
| R106.htm | 174097 | 2020-05-05 16:03:00 |
| R107.htm | 24263 | 2020-05-05 16:03:00 |
| R108.htm | 15381 | 2020-05-05 16:03:00 |
| R109.htm | 35757 | 2020-05-05 16:03:00 |
| R11.htm | 83393 | 2020-05-05 16:03:00 |
| R110.htm | 9203 | 2020-05-05 16:03:00 |
| R111.htm | 29038 | 2020-05-05 16:03:00 |
| R112.htm | 24316 | 2020-05-05 16:03:00 |
| R113.htm | 6043 | 2020-05-05 16:03:00 |
| R114.htm | 37710 | 2020-05-05 16:03:00 |
| R115.htm | 23872 | 2020-05-05 16:03:00 |
| R12.htm | 604103 | 2020-05-05 16:03:00 |
| R13.htm | 352636 | 2020-05-05 16:03:00 |
| R14.htm | 1293209 | 2020-05-05 16:03:00 |
| R15.htm | 49365 | 2020-05-05 16:03:00 |
| R16.htm | 33009 | 2020-05-05 16:03:00 |
| R17.htm | 83132 | 2020-05-05 16:03:00 |
| R18.htm | 6549 | 2020-05-05 16:03:00 |
| R19.htm | 36788 | 2020-05-05 16:03:00 |
| R2.htm | 103049 | 2020-05-05 16:03:00 |
| R20.htm | 56497 | 2020-05-05 16:03:00 |
| R21.htm | 64182 | 2020-05-05 16:03:00 |
| R22.htm | 95568 | 2020-05-05 16:03:00 |
| R23.htm | 733386 | 2020-05-05 16:03:00 |
| R24.htm | 210349 | 2020-05-05 16:03:00 |
| R25.htm | 163608 | 2020-05-05 16:03:00 |
| R26.htm | 43565 | 2020-05-05 16:03:00 |
| R27.htm | 53685 | 2020-05-05 16:03:00 |
| R28.htm | 54214 | 2020-05-05 16:03:00 |
| R29.htm | 23663 | 2020-05-05 16:03:00 |
| R3.htm | 4427 | 2020-05-05 16:03:00 |
| R30.htm | 82343 | 2020-05-05 16:03:00 |
| R31.htm | 600462 | 2020-05-05 16:03:00 |
| R32.htm | 358051 | 2020-05-05 16:03:00 |
| R33.htm | 1297912 | 2020-05-05 16:03:00 |
| R34.htm | 47710 | 2020-05-05 16:03:00 |
| R35.htm | 30869 | 2020-05-05 16:03:00 |
| R36.htm | 84899 | 2020-05-05 16:03:00 |
| R37.htm | 34732 | 2020-05-05 16:03:00 |
| R38.htm | 48763 | 2020-05-05 16:03:00 |
| R39.htm | 54475 | 2020-05-05 16:03:00 |
| R4.htm | 91791 | 2020-05-05 16:03:00 |
| R40.htm | 66148 | 2020-05-05 16:03:00 |
| R41.htm | 644296 | 2020-05-05 16:03:00 |
| R42.htm | 210036 | 2020-05-05 16:03:00 |
| R43.htm | 161303 | 2020-05-05 16:03:00 |
| R44.htm | 42947 | 2020-05-05 16:03:00 |
| R45.htm | 53246 | 2020-05-05 16:03:00 |
| R46.htm | 53788 | 2020-05-05 16:03:00 |
| R47.htm | 4305 | 2020-05-05 16:03:00 |
| R48.htm | 37598 | 2020-05-05 16:03:00 |
| R49.htm | 58004 | 2020-05-05 16:03:00 |
| R5.htm | 36885 | 2020-05-05 16:03:00 |
| R50.htm | 7391 | 2020-05-05 16:03:00 |
| R51.htm | 12614 | 2020-05-05 16:03:00 |
| R52.htm | 11627 | 2020-05-05 16:03:00 |
| R53.htm | 40983 | 2020-05-05 16:03:00 |
| R54.htm | 11904 | 2020-05-05 16:03:00 |
| R55.htm | 27583 | 2020-05-05 16:03:00 |
| R56.htm | 58632 | 2020-05-05 16:03:00 |
| R57.htm | 9071 | 2020-05-05 16:03:00 |
| R58.htm | 55228 | 2020-05-05 16:03:00 |
| R59.htm | 46932 | 2020-05-05 16:03:00 |
| R6.htm | 85088 | 2020-05-05 16:03:00 |
| R60.htm | 29422 | 2020-05-05 16:03:00 |
| R61.htm | 16696 | 2020-05-05 16:03:00 |
| R62.htm | 47210 | 2020-05-05 16:03:00 |
| R63.htm | 15123 | 2020-05-05 16:03:00 |
| R64.htm | 22183 | 2020-05-05 16:03:00 |
| R65.htm | 10505 | 2020-05-05 16:03:00 |
| R66.htm | 32849 | 2020-05-05 16:03:00 |
| R67.htm | 93385 | 2020-05-05 16:03:00 |
| R68.htm | 21297 | 2020-05-05 16:03:00 |
| R69.htm | 30667 | 2020-05-05 16:03:00 |
| R7.htm | 4471 | 2020-05-05 16:03:00 |
| R70.htm | 28953 | 2020-05-05 16:03:00 |
| R71.htm | 72741 | 2020-05-05 16:03:00 |
| R72.htm | 64277 | 2020-05-05 16:03:00 |
| R73.htm | 36057 | 2020-05-05 16:03:00 |
| R74.htm | 17116 | 2020-05-05 16:03:00 |
| R75.htm | 9479 | 2020-05-05 16:03:00 |
| R76.htm | 8729 | 2020-05-05 16:03:00 |
| R77.htm | 9417 | 2020-05-05 16:03:00 |
| R78.htm | 12812 | 2020-05-05 16:03:00 |
| R79.htm | 11690 | 2020-05-05 16:03:00 |
| R8.htm | 147965 | 2020-05-05 16:03:00 |
| R80.htm | 20204 | 2020-05-05 16:03:00 |
| R81.htm | 17033 | 2020-05-05 16:03:00 |
| R82.htm | 11152 | 2020-05-05 16:03:00 |
| R83.htm | 14840 | 2020-05-05 16:03:00 |
| R84.htm | 4384 | 2020-05-05 16:03:00 |
| R85.htm | 12089 | 2020-05-05 16:03:00 |
| R86.htm | 69058 | 2020-05-05 16:03:00 |
| R87.htm | 10821 | 2020-05-05 16:03:00 |
| R88.htm | 7521 | 2020-05-05 16:03:00 |
| R89.htm | 35707 | 2020-05-05 16:03:00 |
| R9.htm | 10488 | 2020-05-05 16:03:00 |
| R90.htm | 32007 | 2020-05-05 16:03:00 |
| R91.htm | 18979 | 2020-05-05 16:03:00 |
| R92.htm | 22392 | 2020-05-05 16:03:00 |
| R93.htm | 14557 | 2020-05-05 16:03:00 |
| R94.htm | 80060 | 2020-05-05 16:03:00 |
| R95.htm | 7690 | 2020-05-05 16:03:00 |
| R96.htm | 16015 | 2020-05-05 16:03:00 |
| R97.htm | 43023 | 2020-05-05 16:03:00 |
| R98.htm | 25952 | 2020-05-05 16:03:00 |
| R99.htm | 54577 | 2020-05-05 16:03:00 |
| report.css | 2767 | 2020-05-05 16:03:00 |
| Show.js | 1086 | 2020-05-05 16:03:00 |