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INTANGIBLE ASSETS AND GOODWILL
 12 Months Ended
Mar. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
INTANGIBLE ASSETS AND GOODWILL INTANGIBLE ASSETS AND GOODWILL
The carrying value of intangible assets consisted of the following:
 March 31, 2023March 31, 2022
Gross
Carrying
Amount		Accumulated
Amortization		Net Carrying
Amount		Gross
Carrying
Amount		Accumulated
Amortization		Net Carrying
Amount
Technology$46,461 $(28,361)$18,100 $46,727 $(19,852)$26,875 
Customer relationships105,836 (16,824)89,012 105,827 (4,889)100,938 
Trade names and domains584 (584)— 583 (183)400 
Total acquired identifiable intangible assets$152,881 $(45,769)$107,112 $153,137 $(24,924)$128,213 
As of March 31, 2023, the weighted average remaining useful life for technology and customer relationships was 2.3 years and 7.7 years, respectively, and trade names and domains are fully amortized.
Amortization expense for related intangible assets was $21.1 million, $8.3 million, and $6.9 million for the years ended March 31, 2023, 2022, and 2021, respectively.
During the year ended March 31, 2022, the Company wrote off approximately $13.2 million of fully amortized intangible assets and the corresponding accumulated amortization. There were no write-offs during the year ended March 31, 2023. In November 2022, the Company sold certain intangible assets with net book value of less than $0.3 million for $1.8 million. The gain of approximately $1.8 million was recorded as Other income in the Statement of Operations and includes $0.3 million to be received as future services.
At March 31, 2023, annual amortization of intangible assets, based upon existing intangible assets and current useful lives, is estimated to be the following:
 Amount
2024$20,395 
202519,095 
202613,895 
202711,757 
2028 and thereafter41,970 
Total$107,112 
The following table provides a summary of the changes in the carrying amounts of goodwill:
 Total
Balance at March 31, 2021$131,520 
Additions due to acquisitions136,117 
Foreign currency translation(770)
Balance at March 31, 2022266,867 
Foreign currency translation(4)
Balance at March 31, 2023$266,863 
The Company conducted its annual impairment tests of goodwill in the fourth quarter of fiscal 2023, 2022, and 2021, and determined that no adjustment to the carrying value of goodwill was required.