XML 90 R70.htm IDEA: XBRL DOCUMENT
v3.25.0.1

NET LOSS PER SHARE - Narratives (Details) | 12 Months Ended
--- | ---
Dec. 31, 2024 vote shares
Common Class A |
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |
Voting right per share (vote) | 1
Shares converted (in shares) | shares | 1
Common Stock, LT10 |
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |
Voting right per share (vote) | 10
Conversion of stock, notice period (in months) | 10 months
Common Stock, LT50 |
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] |
Voting right per share (vote) | 50
Conversion of stock, notice period (in months) | 50 months

X
- Definition Common Stock, Voting Right Per Share + References No definition available. + Details
Name: | exfy_CommonStockVotingRightPerShare
Namespace Prefix: | exfy_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Conversion of Stock, Notice Period + References No definition available. + Details
Name: | exfy_ConversionOfStockNoticePeriod
Namespace Prefix: | exfy_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-5 + Details
Name: | us-gaap_ConversionOfStockSharesConverted1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482689/260-10-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482689/260-10-45-3 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 60B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482689/260-10-45-60B + Details
Name: | us-gaap_EarningsPerShareBasicLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=exfy_CommonStockLT10Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=exfy_CommonStockLT50Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |