General (Details Textual)		3 Months Ended		6 Months Ended		12 Months Ended
	Aug. 21, 2020 USD ($)	Jun. 30, 2022 USD ($) subsidiary	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) subsidiary shares	Jun. 30, 2021 USD ($) shares	Dec. 31, 2021 USD ($)	Jan. 01, 2022 USD ($)	May 11, 2020 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operations commenced date				Jan. 01, 2005
Subsidiary or equity method investee, number | subsidiary		12		12
Deferred revenue, revenue recognized				$ 69,706,000
Sales returns				$ 0		$ 0
Capitalized contract cost, amortization period (years)		4 years		4 years
(Loss) gain related to the effective portion of the cash flow hedges		$ (293,000)	$ 2,749,000	$ 127,000	$ 4,785,000
Derivative instruments not designated as hedging instruments, (loss) gain, net		1,819,000	(237,000)	2,560,000	534,000
Income tax expense		1,698,000	915,000	3,112,000	$ 1,474,000
Accumulated deficit		(504,009,000)		(504,009,000)		(427,603,000)
Additional paid-in capital		1,038,250,000		$ 1,038,250,000		$ 1,018,005,000
Cumulative Effect, Period of Adoption, Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accumulated deficit							$ 8,647,000
Additional paid-in capital							(30,794,000)
Liabilities							$ 22,147,000
Restricted Stock Units and Stock Options
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Antidilutive securities excluded from computation of Earnings Per Share, amount (in shares) | shares				8,963,854	8,137,198
Foreign Exchange Contract
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
(Loss) gain related to the effective portion of the cash flow hedges		$ (293,000)	$ 410,000	$ 127,000	$ 957,000
Maintenance
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Revenue, performance obligation, description of timing				one year
Revolving Credit Facility | Line of Credit
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Debt instrument, term	3 years
Line of credit facility, maximum borrowing capacity	$ 70,000,000
2025 Senior Notes | Convertible Debt Securities
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Antidilutive securities excluded from computation of Earnings Per Share, amount (in shares) | shares				8,239,254
2025 Senior Notes | Convertible Debt
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Interest rate, stated percentage								1.25%
Principal amount								$ 253,000