Business Combinations - Additional Information (Details) $ / shares in Units, € in Millions										1 Months Ended		12 Months Ended
	Nov. 10, 2021 shares	Nov. 04, 2021 USD ($)	May 07, 2021 USD ($) $ / shares shares	Jan. 15, 2021 USD ($) $ / shares shares	Aug. 04, 2020 USD ($) $ / shares shares	May 27, 2020 USD ($) $ / shares shares	Mar. 19, 2020 USD ($) $ / shares shares	Feb. 25, 2020 USD ($) $ / shares shares	Feb. 07, 2020 USD ($) $ / shares shares	Aug. 31, 2021 USD ($) shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2021 EUR (€) shares	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($)	Nov. 30, 2021 shares
Business Acquisition [Line Items]
Cash paid												$ 262,084,000		$ 55,138,000	$ 58,419,000
Contingent consideration											$ 10,619,000	59,000		10,619,000
Change in fair value of contingent consideration obligation												(7,046,000)		3,665,000	(550,000)
Contingent consideration issued												$ 9,195,000		$ 6,267,000	$ 550,000
Common stock issued | shares											35,449,447	39,389,733		35,449,447
Acquired Technology
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets											4 years
Customer Relationships | Maximum
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												9 years	9 years
Customer Relationships | Minimum
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												5 years	5 years
Trade Names | Maximum
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												7 years	7 years
Trade Names | Minimum
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												3 years	3 years
Red Sky Technologies Inc.
Business Acquisition [Line Items]
Date of acquisition of business				Jan. 15, 2021
Total purchase price				$ 55,400,000
Cash paid				$ 32,401,000
Number of newly issued common stock | shares				162,820
Common stock price per share | $ / shares				$ 141.46
Contingent payment				$ 30,000,000
Contingent consideration				$ 9,135,000
Change in fair value of contingent consideration obligation												$ 8,200,000
Cash paid net of cash acquired												$ 400,000
Issuance of common stock for contingent consideration, shares | shares												4,058	4,058
Weighted average useful life of identified acquired intangible assets												7 years 8 months 23 days	7 years 8 months 23 days
Red Sky Technologies Inc. | Acquired Technology
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												3 years	3 years
Red Sky Technologies Inc. | Customer Relationships
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												9 years	9 years
Red Sky Technologies Inc. | Trade Names
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												4 years	4 years
Red Sky Technologies Inc. | General and Administrative Expenses
Business Acquisition [Line Items]
Change in fair value of contingent consideration obligation												$ (8,200,000)
Red Sky Technologies Inc. | General and Administrative Expenses | Maximum
Business Acquisition [Line Items]
Business acquisition expense												100,000
xMatters Holdings, Inc
Business Acquisition [Line Items]
Date of acquisition of business			May 07, 2021
Total purchase price			$ 242,600,000
Cash paid												$ 165,498,000
Number of newly issued common stock | shares			555,332
Common stock price per share | $ / shares			$ 116.12
Weighted average useful life of identified acquired intangible assets												8 years 1 month 17 days	8 years 1 month 17 days
Cash paid			$ 178,100,000
xMatters Holdings, Inc | Acquired Technology
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												3 years	3 years
xMatters Holdings, Inc | Customer Relationships
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												9 years	9 years
xMatters Holdings, Inc | Trade Names
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												5 years	5 years
xMatters Holdings, Inc | General and Administrative Expenses
Business Acquisition [Line Items]
Business acquisition expense												$ 700,000
Business acquisition transaction costs												1,500,000
Anvil
Business Acquisition [Line Items]
Date of acquisition of business		Nov. 04, 2021
Total purchase price		$ 161,400,000
Cash paid												$ 63,897,000
Number of newly issued common stock | shares	574,639
Contingent payment		800,000
Contingent consideration		60,000
Weighted average useful life of identified acquired intangible assets												8 years 3 days	8 years 3 days
Cash paid		70,200,000
Purchase liabilities		1,600,000
Contingent consideration issued		$ 89,655,000
Anvil | Maximum
Business Acquisition [Line Items]
Contingent consideration payment date		Jun. 30, 2023
Anvil | Acquired Technology
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												4 years	4 years
Anvil | Customer Relationships
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												9 years	9 years
Anvil | Trade Names
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												5 years	5 years
Anvil | General and Administrative Expenses
Business Acquisition [Line Items]
Business acquisition expense												$ 1,000,000.0
Business acquisition transaction costs												$ 1,400,000
Connexient
Business Acquisition [Line Items]
Date of acquisition of business									Feb. 07, 2020
Total purchase price									$ 20,200,000
Cash paid														$ 10,991,000
Number of newly issued common stock | shares									96,611
Common stock price per share | $ / shares									$ 93.32
Contingent payment									$ 6,000,000.0
Contingent consideration									0
Weighted average useful life of identified acquired intangible assets												7 years 11 months 1 day	7 years 11 months 1 day
Cash paid									$ 11,500,000
Connexient | Acquired Technology
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												3 years	3 years
Connexient | Customer Relationships
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												9 years	9 years
Connexient | Trade Names
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												4 years	4 years
Connexient | General and Administrative Expenses
Business Acquisition [Line Items]
Business acquisition expense														100,000
CNL Software Limited
Business Acquisition [Line Items]
Date of acquisition of business								Feb. 25, 2020
Total purchase price								$ 35,700,000
Cash paid														18,030,000
Number of newly issued common stock | shares								153,217
Common stock price per share | $ / shares								$ 104.10
Weighted average useful life of identified acquired intangible assets												5 years 3 days	5 years 3 days
Cash paid								$ 19,800,000
Increase (decrease) in deferred revenue														600,000
CNL Software Limited | Acquired Technology
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												3 years	3 years
CNL Software Limited | Customer Relationships
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												6 years	6 years
CNL Software Limited | Trade Names
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												4 years	4 years
CNL Software Limited | General and Administrative Expenses
Business Acquisition [Line Items]
Business acquisition expense														100,000
One2Many Group B.V.
Business Acquisition [Line Items]
Date of acquisition of business							Mar. 19, 2020
Total purchase price							$ 13,100,000
Cash paid														6,563,000
Number of newly issued common stock | shares							52,113
Common stock price per share | $ / shares							$ 104.95
Contingent payment							$ 15,000,000.0
Contingent consideration							2,190,000
Change in fair value of contingent consideration obligation												$ 400,000
Cash paid net of cash acquired | €													€ 4.1
Issuance of common stock for contingent consideration, shares | shares												41,668	41,668
Weighted average useful life of identified acquired intangible assets												5 years 8 months 1 day	5 years 8 months 1 day
Cash paid							5,500,000
Purchase liabilities							$ 2,000,000.0
One2Many Group B.V. | Acquired Technology
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												3 years	3 years
One2Many Group B.V. | Customer Relationships
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												7 years	7 years
One2Many Group B.V. | Trade Names
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												3 years	3 years
One2Many Group B.V. | General and Administrative Expenses
Business Acquisition [Line Items]
Change in fair value of contingent consideration obligation												$ 400,000		8,100,000
Business acquisition expense														200,000
Techwan SA
Business Acquisition [Line Items]
Date of acquisition of business						May 27, 2020
Total purchase price						$ 15,500,000
Cash paid												$ 9,301,000
Number of newly issued common stock | shares						38,425
Common stock price per share | $ / shares						$ 132.05
Contingent payment						$ 7,000,000.0
Contingent consideration						2,030,000
Weighted average useful life of identified acquired intangible assets												7 years 5 months 19 days	7 years 5 months 19 days
Cash paid						9,400,000
Purchase liabilities						$ 100,000
Common stock issued | shares						6,779										6,779
Techwan SA | Acquired Technology
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												3 years	3 years
Techwan SA | Customer Relationships
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												9 years	9 years
Techwan SA | Trade Names
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												3 years	3 years
Techwan SA | General and Administrative Expenses
Business Acquisition [Line Items]
Change in fair value of contingent consideration obligation														(2,000,000.0)
Business acquisition expense														200,000
SnapComms Limited
Business Acquisition [Line Items]
Date of acquisition of business					Aug. 04, 2020
Total purchase price					$ 34,400,000
Cash paid												$ 10,090,000
Number of newly issued common stock | shares					121,858					12,390
Common stock price per share | $ / shares					$ 145.13
Contingent payment					$ 5,000,000.0
Contingent consideration					2,047,000
Change in fair value of contingent consideration obligation												$ 700,000
Issuance of common stock for contingent consideration, shares | shares												6,188	6,188
Weighted average useful life of identified acquired intangible assets												7 years 9 months 25 days	7 years 9 months 25 days
Cash paid					$ 13,600,000					$ 2,500,000
SnapComms Limited | Acquired Technology
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												3 years	3 years
SnapComms Limited | Customer Relationships
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												9 years	9 years
SnapComms Limited | Trade Names
Business Acquisition [Line Items]
Weighted average useful life of identified acquired intangible assets												3 years	3 years
SnapComms Limited | General and Administrative Expenses
Business Acquisition [Line Items]
Change in fair value of contingent consideration obligation												$ 700,000		(2,000,000.0)
Business acquisition expense														$ 100,000