Accruals and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019	Dec. 31, 2018
Payables and Accruals [Abstract]
Cloud Services Subscription deposits	$ 78,671	$ 54,688	$ 25,541
Accrued benefits	32,074	33,184	25,863
Accrued compensation	24,113	31,537	30,484
Due to customers		8,945	8,467
Accruals and other current liabilities	3,583	5,100	2,390
Sales taxes payable	3,596	5,287	3,467
Accrued professional fees	2,867	4,382	2,347
Accrued acquisition stay bonuses	6,006	4,143	1,650
Accrued hosting costs	5,664	2,215	6,740
Accrued facility costs	1,981	2,168	2,269
Accrued rent	0	1,909	2,574
Accrued severance and realignment costs	10,336	1,688	6,555
Non-contingent consideration from acquisitions	91	900	8,629
Other accrued and current liabilities	$ 12,311	11,371	9,723
Total accruals and other current liabilities		$ 167,517	$ 136,699

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent, utilities, PTO and accrued bonuses and commissions. It also includes aggregate carrying amount, as of the balance sheet date, of current obligations not separately disclosed in the balance sheet due to materiality considerations. Current liabilities are expected to be paid within one year (or the normal operating cycle, if longer).

No definition available.