General - Leases - Lease Expenses (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2021
Components of leases expenses:
Operating lease cost	$ 2,292	$ 7,040
Amortization of right-of-use asset	471	1,743
Interest on lease liabilities	144	465
Total finance lease cost	615	2,208
Short-term lease cost	42	123
Variable lease cost	527	1,290
Total lease cost	3,476	10,661
Sublease income		(7)
Net lease cost	$ 3,476	$ 10,654