XML 89 R76.htm IDEA: XBRL DOCUMENT v3.21.1

Long‑Term Debt - Capped Call Options Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Jan. 26, 2021	Mar. 31, 2021
Debt Disclosure [Abstract]
Capped call transaction, cap price (USD per share)	$ 72.9795
Capped call, premium above share price, percentage	65.00%
Capped Call Options Expense		$ 150

X

- Definition

Capped Call Options Expense

+ References

No definition available.

+ Details

Name:	bsy_CappedCallOptionsExpense
Namespace Prefix:	bsy_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Option Indexed to Issuer's Equity, Strike Price, Premium Over Share Price, Percentage

+ References

No definition available.

+ Details

Name:	bsy_OptionIndexedToIssuersEquityStrikePricePremiumOverSharePricePercentage
Namespace Prefix:	bsy_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_DebtDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Exercise or strike price stated in the contract for options indexed to the issuer's equity shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 40
-Section 50
-Paragraph 5
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=120519210&loc=d3e90205-114008

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(1)
-URI http://asc.fasb.org/extlink&oid=109262807&loc=d3e22047-110879

+ Details

Name:	us-gaap_OptionIndexedToIssuersEquityStrikePrice1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration