XML
54
R41.htm
IDEA: XBRL DOCUMENT
v3.21.2
Inventory - Narrative (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Inventory Disclosure [Abstract]
Excess inventory reserve
$ 15,084
$ 0
X
- Definition
Inventory, Excess Valuation Reserves
+ References
No definition available.
+ Details
Name:
blue_InventoryExcessValuationReserves
Namespace Prefix:
blue_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_InventoryDisclosureAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration