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Pay vs Performance Disclosure - USD ($)
6 Months Ended 12 Months Ended
Dec. 31, 2024
Jul. 01, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Pay vs Performance Disclosure              
Pay vs Performance Disclosure, Table    
Pay Versus Performance
The CD&A section of this Proxy Statement sets forth the financial and other factors considered by the Sustainability Committee when reviewing and setting the compensation of our current and former chief executive officer and other named executive officers for the 2024 performance year. As required by Item 402(v) (the “Rule”) of Regulation S-K, the following sets forth information regarding compensation of our current and former principal executive officer (“PEO”) and our other non-PEO named executive officers. In accordance with the Rule, the table below and the discussion that follows includes an amount referred to as “compensation actually paid” as defined in Item 402(v)(2)(iii). The calculation of this amount includes, among other things, the re-evaluation of unvested and outstanding equity awards.
Year
Summary
Compensation
Table
Total
for
Former
PEO(1)
($)
Compensation
Actually
Paid to
Former
PEO(2)(5)
($)
Summary
Compensation
Table
Total
for
Current
PEO(1)
($)
Compensation
Actually
Paid to
Current
PEO(2)(5)
($)
Average
Summary
Compensation
Table
Total for
Non-PEO
Named
Executive
Officers(3)
($)
Average
Compensation
Actually
Paid
to Non-
PEO NEOs(4)(5)
($)
Value of
Initial
Fixed $100
Investment
Based On:(6)
Net
Income
($ in
millions)
Adjusted
OI w/ SBC
($ in millions)(8)
Total
Shareholder
Return(6)
($)
Peer Group
Total
Shareholder
Return(7)
($)
2024 16,418,063 16,418,063 13,465,407 11,705,160 3,451,053 2,927,002 141.56 185.94 234.8 372.2
2023 19,303,412 19,303,412 2,433,369 5,000,008 157.43 157.61 326.8 324.7
2022 18,443,020 18,443,020 7,408,828 6,930,769 111.06 99.08 174.8 274.0
2021 17,682,926 17,682,926 5,047,786 5,293,179 144.76 147.89 93.2 258.0
2020 14,462,703 14,467,137 6,770,320 6,774,754 121.07 113.02 126.5 218.9
(1)
The dollar amounts reported in these columns are the amounts of total compensation reported for Gregory S. Bentley, our Former PEO, and Nicholas H. Cumins, our current PEO, as applicable, for each corresponding year as reported in the “Total” column of the “Summary Compensation Table” in this Proxy Statement.
(2)
In accordance with the requirements of Item 402(v)(2)(iii) of Regulation S-K, the following adjustments were made to the amounts reported for Gregory S. Bentley and Nicholas H. Cumins, as applicable, in the Summary Compensation Table. Importantly, the dollar amounts do not reflect the actual amount of compensation earned by, or paid to, Gregory S. Bentley or Nicholas H. Cumins during 2024.
2024 Adjustments for Gregory S. Bentley Description
2024
($)
Change in Pension Value Deduction
Pension Service Cost Addition
Prior Pension Service Cost Addition
Stock and Option Awards Adjustment(a)
(a)
For 2024, for Gregory S. Bentley, the amounts added or deducted in calculated stock and option award adjustments include:
Year
Subtract:
Grant date
fair value of
equity awards
as reported
in the
“Stock Awards”
column of the
Summary
Compensation
Table for each
applicable year
Add:
Year End
Fair Value of
Outstanding
and
Unvested
Equity Awards
Granted
During the
Applicable
Year
Add:
Year over
Year Change
in Fair Value
of Outstanding
and Unvested
Equity Awards
Add:
Fair Value
as of Vesting
Date of
Equity
Awards
Granted
and Vested
in the Year
Add:
Year over
Year
Change in
Fair Value
of Equity
Awards
Granted in
Prior Years
that Vested
in the Year
Subtract:
Fair Value
at the End
of the
Prior Year of
Equity Awards
that Failed to
Meet Vesting
Conditions
in the Year
Add:
Value of
Dividends or
other Earnings
Paid on
Stock or
Option Awards
not Otherwise
Reflected in
Fair Value
or Total
Compensation
Sum:
Total
Equity
Award
Adjustments
2024 (12,188,212) 12,188,212
2024 Adjustments for Nicholas H. Cumins Description
2024
($)
Change in Pension Value Deduction
Pension Service Cost Addition
Prior Pension Service Cost Addition
Stock and Option Awards Adjustment(aa) (1,760,247)
(aa)
For 2024, for Nicholas H. Cumins, the amounts added or deducted in calculated stock and option award adjustments include:
Year
Subtract:
Grant date
fair value of
equity awards
as reported
in the
“Stock Awards”
column of the
Summary
Compensation
Table for each
applicable year
Add:
Year End
Fair Value of
Outstanding
and
Unvested
Equity Awards
Granted
During the
Applicable
Year
Add:
Year over
Year Change
in Fair Value
of Outstanding
and Unvested
Equity Awards
Add:
Fair Value
as of Vesting
Date of
Equity
Awards
Granted
and Vested
in the Year
Add:
Year over
Year
Change in
Fair Value
of Equity
Awards
Granted in
Prior Years
that Vested
in the Year
Subtract:
Fair Value
at the End
of the
Prior Year of
Equity Awards
that Failed to
Meet Vesting
Conditions
in the Year
Add:
Value of
Dividends or
other Earnings
Paid on
Stock or
Option Awards
not Otherwise
Reflected in
Fair Value
or Total
Compensation
Sum:
Total
Equity
Award
Adjustments
2024 (11,785,744) 11,104,478 (984,061) (94,920) (1,760,247)
(3)
The dollar amounts reported in this column represent the average of the total amounts reported for our Non-PEO NEOs for each given year as reported in the “Total” column of the Summary Compensation Table in our proxy statement for the applicable year. Our Non-PEO NEOs were: (i) for 2024, Werner Andre, Brock Ballard, Michael M. Campbell and David R. Shaman; (ii) for 2023, Werner Andre, Brock Ballard, Michael M. Campbell and Nicholas H. Cumins, (iii) for 2022, Werner Andre, Keith A. Bentley, Nicholas H. Cumins and David J. Hollister; (iv) for 2021, Keith A. Bentley, Gus Bergsma, David J. Hollister and Nicholas H. Cumins; and (iv) for 2020, Keith A. Bentley and David J. Hollister.
(4)
In accordance with the requirements of Item 402(v)(2)(iii) of Regulation S-K, when calculating the “average compensation actually paid” for the Non-PEO NEOs, the following adjustments were made to the amounts reported in the applicable Summary Compensation Table. Importantly, the dollar amounts do not reflect the actual average amount of compensation earned by, or paid to, the Non-PEO NEOs as a group during 2024:
Description
2024
($)
Change in Pension Value Deduction
Pension Service Cost Addition
Prior Pension Service Cost Addition
Stock and Option Awards Adjustment(b) (524,051)
(b)
For 2024, the amounts added or deducted in calculated stock and option award adjustments include:
Year
Subtract:
Grant date
fair value of
equity awards
as reported
in the
“Stock Awards”
column of the
Summary
Compensation
Table for each
applicable year
Add:
Year End
Fair Value of
Outstanding
and
Unvested
Equity Awards
Granted
During the
Applicable
Year
Add:
Year over
Year Change
in Fair Value
of Outstanding
and Unvested
Equity Awards
Add:
Fair Value
as of Vesting
Date of
Equity
Awards
Granted
and Vested
in the Year
Add:
Year over
Year
Change in
Fair Value
of Equity
Awards
Granted in
Prior Years
that Vested
in the Year
Subtract:
Fair Value
at the End
of the
Prior Year of
Equity Awards
that Failed to
Meet Vesting
Conditions
in the Year
Add:
Value of
Dividends or
other Earnings
Paid on
Stock or
Option Awards
not Otherwise
Reflected in
Fair Value
or Total
Compensation
Sum:
Total
Equity
Award
Adjustments
2024 (2,417,480) 2,296,761 (334,003) (69,329) (524,051)
(5)
When calculating amounts of  “compensation actually paid” for purposes of this table:

The fair value of each stock option award was estimated as of the relevant valuation date in accordance with FASB ASC Topic 718 using a variation of the Black-Scholes option pricing model and the key input variables (assumptions) of that model as described in Note 15, “Stock-Based Compensation,” to our financial statements for the fiscal year ended December 31, 2024 included in the Company’s Annual Report on Form 10-K filed with the SEC on February 26, 2025. The assumptions used were not materially changed from those described in Note 15 but were updated at each valuation date to reflect the then-current value of each variable.
The fair value of time-vesting restricted awards and RSUs was estimated at each valuation date using the market price of the Company’s common stock on the relevant valuation date and includes the value of dividend equivalents accrued from the grant date through the relevant valuation date. The fair value of PSUs was estimated at each valuation date using: (1) the market price of the Company’s common stock on the relevant valuation date; and (2) an adjustment to reflect actual performance for any completed performance year and an assumption regarding attainment of the performance goals for the remaining performance period.
(6)
Total shareholder return as calculated based on a fixed investment of one hundred dollars measured from the market close on September 23, 2020 (the date on which the Company’s Class B common stock began trading publicly following the Company’s initial public offering) through and including the end of the fiscal year for each year reported in the table as required by the Rule.
(7)
Reflects total shareholder return for The Nasdaq US Benchmark Software Index, which is the peer group used for purposes of the performance graph the Company generates pursuant to Item 201(d) of Regulation S-K.
(8)
For purposes of the Rule, we have identified Adjusted OI w/SBC as our Company-Selected Metric. Adjusted OI w/ SBC is defined as operating income adjusted for the following: amortization of purchased intangibles, expense (income) relating to deferred compensation plan liabilities, acquisition expenses, and realignment expenses (income), for the respective periods. Although the Company views Adjusted OI w/ SBC to be an important financial performance measure, among others, that the Sustainability Committee considers when making compensation decisions with the intent of aligning compensation with Company performance, the Sustainability Committee has not historically and does not currently evaluate “compensation actually paid” as calculated pursuant to Item 402(v)(2) as part of its executive compensation determinations; accordingly, the Sustainability Committee does not actually use any financial performance measure specifically to link executive compensation “actually paid” to Company performance.
       
Company Selected Measure Name     AdjustedOI w/ SBC        
Named Executive Officers, Footnote    
(1)
The dollar amounts reported in these columns are the amounts of total compensation reported for Gregory S. Bentley, our Former PEO, and Nicholas H. Cumins, our current PEO, as applicable, for each corresponding year as reported in the “Total” column of the “Summary Compensation Table” in this Proxy Statement.
(3)
The dollar amounts reported in this column represent the average of the total amounts reported for our Non-PEO NEOs for each given year as reported in the “Total” column of the Summary Compensation Table in our proxy statement for the applicable year. Our Non-PEO NEOs were: (i) for 2024, Werner Andre, Brock Ballard, Michael M. Campbell and David R. Shaman; (ii) for 2023, Werner Andre, Brock Ballard, Michael M. Campbell and Nicholas H. Cumins, (iii) for 2022, Werner Andre, Keith A. Bentley, Nicholas H. Cumins and David J. Hollister; (iv) for 2021, Keith A. Bentley, Gus Bergsma, David J. Hollister and Nicholas H. Cumins; and (iv) for 2020, Keith A. Bentley and David J. Hollister.
       
Peer Group Issuers, Footnote    
(6)
Total shareholder return as calculated based on a fixed investment of one hundred dollars measured from the market close on September 23, 2020 (the date on which the Company’s Class B common stock began trading publicly following the Company’s initial public offering) through and including the end of the fiscal year for each year reported in the table as required by the Rule.
       
Adjustment To PEO Compensation, Footnote    
(2)
In accordance with the requirements of Item 402(v)(2)(iii) of Regulation S-K, the following adjustments were made to the amounts reported for Gregory S. Bentley and Nicholas H. Cumins, as applicable, in the Summary Compensation Table. Importantly, the dollar amounts do not reflect the actual amount of compensation earned by, or paid to, Gregory S. Bentley or Nicholas H. Cumins during 2024.
2024 Adjustments for Gregory S. Bentley Description
2024
($)
Change in Pension Value Deduction
Pension Service Cost Addition
Prior Pension Service Cost Addition
Stock and Option Awards Adjustment(a)
(a)
For 2024, for Gregory S. Bentley, the amounts added or deducted in calculated stock and option award adjustments include:
Year
Subtract:
Grant date
fair value of
equity awards
as reported
in the
“Stock Awards”
column of the
Summary
Compensation
Table for each
applicable year
Add:
Year End
Fair Value of
Outstanding
and
Unvested
Equity Awards
Granted
During the
Applicable
Year
Add:
Year over
Year Change
in Fair Value
of Outstanding
and Unvested
Equity Awards
Add:
Fair Value
as of Vesting
Date of
Equity
Awards
Granted
and Vested
in the Year
Add:
Year over
Year
Change in
Fair Value
of Equity
Awards
Granted in
Prior Years
that Vested
in the Year
Subtract:
Fair Value
at the End
of the
Prior Year of
Equity Awards
that Failed to
Meet Vesting
Conditions
in the Year
Add:
Value of
Dividends or
other Earnings
Paid on
Stock or
Option Awards
not Otherwise
Reflected in
Fair Value
or Total
Compensation
Sum:
Total
Equity
Award
Adjustments
2024 (12,188,212) 12,188,212
2024 Adjustments for Nicholas H. Cumins Description
2024
($)
Change in Pension Value Deduction
Pension Service Cost Addition
Prior Pension Service Cost Addition
Stock and Option Awards Adjustment(aa) (1,760,247)
(aa)
For 2024, for Nicholas H. Cumins, the amounts added or deducted in calculated stock and option award adjustments include:
Year
Subtract:
Grant date
fair value of
equity awards
as reported
in the
“Stock Awards”
column of the
Summary
Compensation
Table for each
applicable year
Add:
Year End
Fair Value of
Outstanding
and
Unvested
Equity Awards
Granted
During the
Applicable
Year
Add:
Year over
Year Change
in Fair Value
of Outstanding
and Unvested
Equity Awards
Add:
Fair Value
as of Vesting
Date of
Equity
Awards
Granted
and Vested
in the Year
Add:
Year over
Year
Change in
Fair Value
of Equity
Awards
Granted in
Prior Years
that Vested
in the Year
Subtract:
Fair Value
at the End
of the
Prior Year of
Equity Awards
that Failed to
Meet Vesting
Conditions
in the Year
Add:
Value of
Dividends or
other Earnings
Paid on
Stock or
Option Awards
not Otherwise
Reflected in
Fair Value
or Total
Compensation
Sum:
Total
Equity
Award
Adjustments
2024 (11,785,744) 11,104,478 (984,061) (94,920) (1,760,247)
       
Non-PEO NEO Average Total Compensation Amount     $ 3,451,053 $ 2,433,369 $ 7,408,828 $ 5,047,786 $ 6,770,320
Non-PEO NEO Average Compensation Actually Paid Amount     $ 2,927,002 5,000,008 6,930,769 5,293,179 6,774,754
Adjustment to Non-PEO NEO Compensation Footnote    
Year
Subtract:
Grant date
fair value of
equity awards
as reported
in the
“Stock Awards”
column of the
Summary
Compensation
Table for each
applicable year
Add:
Year End
Fair Value of
Outstanding
and
Unvested
Equity Awards
Granted
During the
Applicable
Year
Add:
Year over
Year Change
in Fair Value
of Outstanding
and Unvested
Equity Awards
Add:
Fair Value
as of Vesting
Date of
Equity
Awards
Granted
and Vested
in the Year
Add:
Year over
Year
Change in
Fair Value
of Equity
Awards
Granted in
Prior Years
that Vested
in the Year
Subtract:
Fair Value
at the End
of the
Prior Year of
Equity Awards
that Failed to
Meet Vesting
Conditions
in the Year
Add:
Value of
Dividends or
other Earnings
Paid on
Stock or
Option Awards
not Otherwise
Reflected in
Fair Value
or Total
Compensation
Sum:
Total
Equity
Award
Adjustments
2024 (11,785,744) 11,104,478 (984,061) (94,920) (1,760,247)
(3)
The dollar amounts reported in this column represent the average of the total amounts reported for our Non-PEO NEOs for each given year as reported in the “Total” column of the Summary Compensation Table in our proxy statement for the applicable year. Our Non-PEO NEOs were: (i) for 2024, Werner Andre, Brock Ballard, Michael M. Campbell and David R. Shaman; (ii) for 2023, Werner Andre, Brock Ballard, Michael M. Campbell and Nicholas H. Cumins, (iii) for 2022, Werner Andre, Keith A. Bentley, Nicholas H. Cumins and David J. Hollister; (iv) for 2021, Keith A. Bentley, Gus Bergsma, David J. Hollister and Nicholas H. Cumins; and (iv) for 2020, Keith A. Bentley and David J. Hollister.
(4)
In accordance with the requirements of Item 402(v)(2)(iii) of Regulation S-K, when calculating the “average compensation actually paid” for the Non-PEO NEOs, the following adjustments were made to the amounts reported in the applicable Summary Compensation Table. Importantly, the dollar amounts do not reflect the actual average amount of compensation earned by, or paid to, the Non-PEO NEOs as a group during 2024:
Description
2024
($)
Change in Pension Value Deduction
Pension Service Cost Addition
Prior Pension Service Cost Addition
Stock and Option Awards Adjustment(b) (524,051)
(b)
For 2024, the amounts added or deducted in calculated stock and option award adjustments include:
Year
Subtract:
Grant date
fair value of
equity awards
as reported
in the
“Stock Awards”
column of the
Summary
Compensation
Table for each
applicable year
Add:
Year End
Fair Value of
Outstanding
and
Unvested
Equity Awards
Granted
During the
Applicable
Year
Add:
Year over
Year Change
in Fair Value
of Outstanding
and Unvested
Equity Awards
Add:
Fair Value
as of Vesting
Date of
Equity
Awards
Granted
and Vested
in the Year
Add:
Year over
Year
Change in
Fair Value
of Equity
Awards
Granted in
Prior Years
that Vested
in the Year
Subtract:
Fair Value
at the End
of the
Prior Year of
Equity Awards
that Failed to
Meet Vesting
Conditions
in the Year
Add:
Value of
Dividends or
other Earnings
Paid on
Stock or
Option Awards
not Otherwise
Reflected in
Fair Value
or Total
Compensation
Sum:
Total
Equity
Award
Adjustments
2024 (2,417,480) 2,296,761 (334,003) (69,329) (524,051)
       
Compensation Actually Paid vs. Total Shareholder Return    
Total Shareholder Return
The following chart shows the relationship between: (1) the compensation actually paid (“CAP”) to our Former and Current PEOs and the average CAP to the Non-PEO NEOs; (2) the cumulative total shareholder return (“TSR”) of the Company for 2020 (beginning on its IPO date), 2021, 2022, 2023 and 2024; and (3) the TSR of The Nasdaq US Benchmark Software Index (“NBSI”) during the same period.
[MISSING IMAGE: bc_tsr-bw.jpg]
       
Compensation Actually Paid vs. Net Income    
Net Income
The following chart shows the relationship between: (1) the CAP to our Former and Current PEOs and the average CAP to the Non-PEO NEOs; and (2) the net income of the Company for the last five fiscal years.
[MISSING IMAGE: bc_netincome-bw.jpg]
       
Compensation Actually Paid vs. Company Selected Measure    
Adjusted OI w/ SBC
The following chart shows the relationship between: (1) the CAP to our Former and Current PEOs and the average CAP to the Non-PEO NEOs; and (2) Adjusted OI w/SBC for the last five fiscal years.
[MISSING IMAGE: bc_adjebitda-bw.jpg]
       
Total Shareholder Return Vs Peer Group    
Total Shareholder Return
The following chart shows the relationship between: (1) the compensation actually paid (“CAP”) to our Former and Current PEOs and the average CAP to the Non-PEO NEOs; (2) the cumulative total shareholder return (“TSR”) of the Company for 2020 (beginning on its IPO date), 2021, 2022, 2023 and 2024; and (3) the TSR of The Nasdaq US Benchmark Software Index (“NBSI”) during the same period.
[MISSING IMAGE: bc_tsr-bw.jpg]
       
Tabular List, Table    
Tabular List of Financial Performance Measures
For purposes of the Rule, we have identified the following performance measures, which the Sustainability Committee considered, among others, when making executive compensation decisions for performance year 2024, in response to the Tabular List disclosure requirement pursuant to Item 402(v)(6) of Regulation S-K.
Adjusted OI w/ SBC Adjusted OI w/ SBC Margin
Adjusted Net Income New Business
As noted above, however, the Sustainability Committee has not historically and does not currently evaluate “compensation actually paid” as calculated pursuant to Item 402(v)(2) as part of its executive compensation determinations; accordingly, the Sustainability Committee does not actually use any financial or non-financial performance measure specifically to link executive compensation “actually paid” to Company performance.
       
Total Shareholder Return Amount     $ 141.56 157.43 111.06 144.76 121.07
Peer Group Total Shareholder Return Amount     185.94 157.61 99.08 147.89 113.02
Net Income (Loss)     $ 234,800,000 $ 326,800,000 $ 174,800,000 $ 93,200,000 $ 126,500,000
Company Selected Measure Amount     372,200,000 324,700,000 274,000,000 258,000,000 218,900,000
PEO Name Nicholas H. Cumins Gregory S. Bentley          
Measure:: 1              
Pay vs Performance Disclosure              
Name     Adjusted OI w/ SBC        
Non-GAAP Measure Description    
(8)
For purposes of the Rule, we have identified Adjusted OI w/SBC as our Company-Selected Metric. Adjusted OI w/ SBC is defined as operating income adjusted for the following: amortization of purchased intangibles, expense (income) relating to deferred compensation plan liabilities, acquisition expenses, and realignment expenses (income), for the respective periods. Although the Company views Adjusted OI w/ SBC to be an important financial performance measure, among others, that the Sustainability Committee considers when making compensation decisions with the intent of aligning compensation with Company performance, the Sustainability Committee has not historically and does not currently evaluate “compensation actually paid” as calculated pursuant to Item 402(v)(2) as part of its executive compensation determinations; accordingly, the Sustainability Committee does not actually use any financial performance measure specifically to link executive compensation “actually paid” to Company performance.
       
Measure:: 2              
Pay vs Performance Disclosure              
Name     Adjusted OI w/ SBC Margin        
Measure:: 3              
Pay vs Performance Disclosure              
Name     Adjusted Net Income        
Measure:: 4              
Pay vs Performance Disclosure              
Name     New Business        
Gregory S. Bentley [Member]              
Pay vs Performance Disclosure              
PEO Total Compensation Amount     $ 16,418,063 $ 19,303,412 $ 18,443,020 $ 17,682,926 $ 14,462,703
PEO Actually Paid Compensation Amount     16,418,063 19,303,412 18,443,020 17,682,926 14,467,137
Nicholas H. Cumins [Member]              
Pay vs Performance Disclosure              
PEO Total Compensation Amount     13,465,407
PEO Actually Paid Compensation Amount     11,705,160
PEO | Gregory S. Bentley [Member] | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
PEO | Gregory S. Bentley [Member] | Pension Adjustments Service Cost              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
PEO | Gregory S. Bentley [Member] | Pension Adjustments Prior Service Cost              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
PEO | Gregory S. Bentley [Member] | Equity Awards Adjustments              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
PEO | Gregory S. Bentley [Member] | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount     (12,188,212)        
PEO | Gregory S. Bentley [Member] | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
PEO | Gregory S. Bentley [Member] | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
PEO | Gregory S. Bentley [Member] | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount     12,188,212        
PEO | Gregory S. Bentley [Member] | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
PEO | Gregory S. Bentley [Member] | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
PEO | Gregory S. Bentley [Member] | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
PEO | Nicholas H. Cumins [Member] | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
PEO | Nicholas H. Cumins [Member] | Pension Adjustments Service Cost              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
PEO | Nicholas H. Cumins [Member] | Pension Adjustments Prior Service Cost              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
PEO | Nicholas H. Cumins [Member] | Equity Awards Adjustments              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount     (1,760,247)        
PEO | Nicholas H. Cumins [Member] | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount     (11,785,744)        
PEO | Nicholas H. Cumins [Member] | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount     11,104,478        
PEO | Nicholas H. Cumins [Member] | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount     (984,061)        
PEO | Nicholas H. Cumins [Member] | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
PEO | Nicholas H. Cumins [Member] | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount     (94,920)        
PEO | Nicholas H. Cumins [Member] | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
PEO | Nicholas H. Cumins [Member] | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
Non-PEO NEO | Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
Non-PEO NEO | Pension Adjustments Service Cost              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
Non-PEO NEO | Pension Adjustments Prior Service Cost              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
Non-PEO NEO | Equity Awards Adjustments              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount     (524,051)        
Non-PEO NEO | Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount     (2,417,480)        
Non-PEO NEO | Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount     2,296,761        
Non-PEO NEO | Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount     (334,003)        
Non-PEO NEO | Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
Non-PEO NEO | Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount     (69,329)        
Non-PEO NEO | Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount            
Non-PEO NEO | Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year              
Pay vs Performance Disclosure              
Adjustment to Compensation, Amount