Business Combination - Preliminary allocation of consideration (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Feb. 18, 2019
Business Acquisition [Line Items]
Cash	$ 14,469
Accounts receivable, net	3,951
Prepaid expense and other current assets	1,227
Fixed assets	887
Loan receivable - related party	175
Right of use assets	2,512
Other assets	2,243
Intangible assets	128,597	$ 133,026
Goodwill	318,833
Accounts payable and accrued expenses	(4,084)
Contract liabilities	(6,929)
Lease liability - short term	(662)
Deferred tax liability	(28,871)	(39,908)
Other current liabilities	(1,261)
Capital lease obligations - current portion	(139)
Contract and other long-term liabilities	(1,762)
Capital lease obligation, less current portion	(262)
Long term debt	(525)
Lease liability - long term	(1,903)
Contingent consideration - pre-existing	(2,027)
Total Consideration	424,469
Bonfire [Member]
Business Acquisition [Line Items]
Cash	4,641
Accounts receivable, net	323
Prepaid expense and other current assets	607
Fixed assets	118
Loan receivable - related party	0
Right of use assets	1,315
Other assets	369
Intangible assets	22,870	22,668
Goodwill	81,665
Accounts payable and accrued expenses	(1,085)
Contract liabilities	(1,221)
Lease liability - short term	(366)
Deferred tax liability	(6,800)	(6,800)
Other current liabilities	0
Capital lease obligations - current portion	0
Contract and other long-term liabilities	(60)
Capital lease obligation, less current portion	0
Long term debt	0
Lease liability - long term	(1,002)
Contingent consideration - pre-existing	0
Total Consideration	101,374
CityBase holders [Member]
Business Acquisition [Line Items]
Cash	2,191
Accounts receivable, net	1,018
Prepaid expense and other current assets	170
Fixed assets	500
Loan receivable - related party	175
Right of use assets	0
Other assets	783
Intangible assets	45,914	48,155
Goodwill	106,357
Accounts payable and accrued expenses	(1,192)
Contract liabilities	(816)
Lease liability - short term	0
Deferred tax liability	(6,153)	(14,447)
Other current liabilities	0
Capital lease obligations - current portion	(139)
Contract and other long-term liabilities	(1,646)
Capital lease obligation, less current portion	(262)
Long term debt	0
Lease liability - long term	0
Contingent consideration - pre-existing	0
Total Consideration	146,900
eCivis [Member]
Business Acquisition [Line Items]
Cash	136
Accounts receivable, net	720
Prepaid expense and other current assets	340
Fixed assets	56
Loan receivable - related party	0
Right of use assets	901
Other assets	30
Intangible assets	11,926	12,997
Goodwill	48,387
Accounts payable and accrued expenses	(586)
Contract liabilities	(1,635)
Lease liability - short term	0
Deferred tax liability	(3,337)	(3,899)
Other current liabilities	(3)
Capital lease obligations - current portion	0
Contract and other long-term liabilities	(56)
Capital lease obligation, less current portion	0
Long term debt	0
Lease liability - long term	(901)
Contingent consideration - pre-existing	(790)
Total Consideration	55,188
Open Counter [Member]
Business Acquisition [Line Items]
Cash	107
Accounts receivable, net	46
Prepaid expense and other current assets	0
Fixed assets	29
Loan receivable - related party	0
Right of use assets	0
Other assets	0
Intangible assets	10,332	10,471
Goodwill	21,956
Accounts payable and accrued expenses	(124)
Contract liabilities	(483)
Lease liability - short term	0
Deferred tax liability	(2,434)	(3,141)
Other current liabilities	(491)
Capital lease obligations - current portion	0
Contract and other long-term liabilities	0
Capital lease obligation, less current portion	0
Long term debt	(525)
Lease liability - long term	0
Contingent consideration - pre-existing	0
Total Consideration	28,413
Questica [Member]
Business Acquisition [Line Items]
Cash	6,762
Accounts receivable, net	1,257
Prepaid expense and other current assets	77
Fixed assets	182
Loan receivable - related party	0
Right of use assets	296
Other assets	1,061
Intangible assets	33,329	33,821
Goodwill	57,971
Accounts payable and accrued expenses	(909)
Contract liabilities	(2,774)
Lease liability - short term	(296)
Deferred tax liability	(10,147)	(10,147)
Other current liabilities	(767)
Capital lease obligations - current portion	0
Contract and other long-term liabilities	0
Capital lease obligation, less current portion	0
Long term debt	0
Lease liability - long term	0
Contingent consideration - pre-existing	(1,237)
Total Consideration	84,805
Sherpa [Member]
Business Acquisition [Line Items]
Cash	632
Accounts receivable, net	587
Prepaid expense and other current assets	33
Fixed assets	2
Loan receivable - related party	0
Right of use assets	0
Other assets	0
Intangible assets	4,226	4,914
Goodwill	2,497
Accounts payable and accrued expenses	(188)
Contract liabilities	0
Lease liability - short term	0
Deferred tax liability	0	$ (1,474)
Other current liabilities	0
Capital lease obligations - current portion	0
Contract and other long-term liabilities	0
Capital lease obligation, less current portion	0
Long term debt	0
Lease liability - long term	0
Contingent consideration - pre-existing	0
Total Consideration	$ 7,789