Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Summary of Significant Accounting Policies

Schedule of Property Plant and Equipment Useful Lives

Leasehold improvements	5 ‑ 10 years
Software, machinery and equipment	1- 30 years

Schedule of accrual for loss contracts

The following table shows the roll forward of balances in the accrual for loss contracts, including changes due to the provision (benefit) for loss accrual, loss accrual from acquisition, releases to service cost of sales and releases due to the provision for warrants (in thousands):

	December 31, 2021		December 31, 2020		December 31, 2019
Beginning balance	$	24,013	$	3,702	$	5,345
Provision (benefit) for loss accrual		71,988		35,473		(394)
Loss accrual from acquisition		2,636		—		—
Released to service cost of sales		(8,864)		(2,348)		(1,249)
Released to provision for warrants		—		(12,814)		—
Ending balance	$	89,773	$	24,013	$	3,702