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Non-filing Insurance
 12 Months Ended
Mar. 31, 2021
Non-file Insurance [Abstract]  
Non-filing Insurance Non-filing Insurance
The Company maintains non-filing insurance coverage with an unaffiliated insurance company. The following is a summary of the non-filing insurance activity for the years ended March 31, 2021, 2020, and 2019:
 202120202019
Insurance premiums written$7,072,647 8,251,927 6,164,871 
Recoveries on claims paid$959,620 1,001,288 996,482 
Claims paid$5,223,484 7,570,126 6,553,271