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Property, Plant and Equipment (Tables)

9 Months Ended

Sep. 30, 2021

Property, Plant and Equipment [Abstract]

Summary of Property, Plant and Equipment, Net

Property, plant and equipment, net consisted of the following:    

			As of December 31,						As of September 30,
			2020						2021
Furniture and fixtures			$	2,341					$	2,179
Computer and office equipment			4,077						4,885
Telecommunications equipment			60,651						68,596
Leasehold improvements			6,285						6,260
Software			3,901						4,994
Internal-use software development			19,968						22,930
Automobile			502						605
Land			—						16,394
Total cost			97,725						126,843
Less—accumulated depreciation			(46,080)						(58,576)
Total property, plant and equipment, net			$	51,645					$	68,267

Schedule of Depreciation Expense

The Company recognized depreciation expense, which includes amortization of capitalized software development costs, as follows:

			Three months ended September 30,																		Nine months ended September 30,
			2020						2021												2020						2021
Cost of revenue			$	2,284					$	2,976											$	6,958					$	8,947
Research and development			197						296												441						829
Sales and marketing			30						32												90						90
General and administrative			646						1,165												2,048						3,117
Total depreciation expense			$	3,157					$	4,469											$	9,537					$	12,983

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Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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