Debt Instrument, Down Payment

No definition available.

Name:	blze_DebtInstrumentDownPayment
Namespace Prefix:	blze_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Debt Instrument, Periodic Payments, Number of Quarterly Installments

+ References

No definition available.

+ Details

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Namespace Prefix:	blze_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	duration

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

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Period Type:	instant

- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

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- Definition

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Period Type:	instant

- Definition

Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Debt (Details)	1 Months Ended		3 Months Ended		9 Months Ended
Debt (Details)	Jan. 31, 2023	Nov. 30, 2022 USD ($) installment	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Apr. 30, 2022 USD ($)	Oct. 31, 2021 USD ($)
Debt Instrument [Line Items]
Restricted cash, current			$ 6,078,000	$ 0	$ 6,078,000	$ 0	$ 0
Interest expense (less than for three and nine months ended September 30, 2022)			936,000	950,000	2,801,000	2,811,000
AFCO Premium Credit LLC Insurance Premium Financing Agreement \| Notes Payable, Other Payables
Debt Instrument [Line Items]
Debt instrument, face amount		$ 2,100,000
Debt instrument, term		12 months
Interest rate, stated percentage (in percent)		4.50%
Down payment		$ 500,000
Long-term debt		$ 1,500,000
Periodic payment, number of quarterly installments \| installment		3
Revolving Credit Facility \| City National Bank Revolving Credit Agreement \| Line of Credit
Debt Instrument [Line Items]
Maximum borrowing capacity								$ 30,000,000	$ 9,500,000
Outstanding balance			6,100,000		6,100,000
Outstanding amount available to be borrowed			$ 23,900,000		$ 23,900,000
Weighted average interest rate (in percent)			7.40%		7.40%
Interest expense (less than for three and nine months ended September 30, 2022)			$ 200,000	$ 100,000	$ 400,000	$ 100,000
Revolving Credit Facility \| City National Bank Revolving Credit Agreement \| Line of Credit \| Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
Revolving Credit Facility \| City National Bank Revolving Credit Agreement \| Line of Credit \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate	3.00%