Business Combinations - Summary of Allocation of Purchase Consideration and Estimated Values of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands			6 Months Ended		12 Months Ended
	Nov. 04, 2021	May 07, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Assets acquired
Goodwill			$ 507,818		$ 531,163
Consideration paid
Cash paid, net of cash acquired			$ 47	$ 197,666
Consideration loan notes issued				$ 9,135
xMatters Holdings, Inc
Assets acquired
Accounts receivable		$ 6,716
Property and equipment		1,458
Goodwill		170,437
Other assets		5,433
Total assets acquired		279,574
Liabilities assumed
Accounts payable		1,164
Accrued expenses		5,517
Deferred revenue		34,421
Deferred tax liabilities		3,436
Other liabilities		5,056
Net assets acquired		229,980
Consideration paid
Cash paid, net of cash acquired					165,498
Fair value of common stock issued		64,482
Total					229,980
xMatters Holdings, Inc | Acquired Technology
Assets acquired
Intangible assets other than goodwill		8,390
xMatters Holdings, Inc | Trade Names
Assets acquired
Intangible assets other than goodwill		8,200
xMatters Holdings, Inc | Customer Relationships
Assets acquired
Intangible assets other than goodwill		$ 78,940
Anvil
Assets acquired
Accounts receivable	$ 2,361
Property and equipment	204
Goodwill	127,061
Other assets	5,022
Total assets acquired	166,328
Liabilities assumed
Accounts payable	837
Accrued expenses	560
Deferred revenue	3,365
Deferred tax liabilities	6,119
Other liabilities	1,821
Net assets acquired	153,626
Consideration paid
Cash paid, net of cash acquired	70,200				63,911
Consideration loan notes issued	89,655
Contingent consideration	60
Total					$ 153,626
Anvil | Acquired Technology
Assets acquired
Intangible assets other than goodwill	3,800
Anvil | Trade Names
Assets acquired
Intangible assets other than goodwill	2,600
Anvil | Customer Relationships
Assets acquired
Intangible assets other than goodwill	$ 25,280