Goodwill and Intangibles (Details) - Components of identified intangible assets - USD ($)	9 Months Ended
	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Definite-Lived Intangible Assets
Gross Carrying Amount		$ 50,758,551	$ 50,758,551
Accumulated Amortization		24,180,474	23,349,531
Net Identified Intangible Assets		26,578,077	27,409,020
Customer Relationships [Member]
Definite-Lived Intangible Assets
Gross Carrying Amount		42,878,445	42,878,445
Accumulated Amortization		20,569,615	19,820,843
Regulatory Rights [Member]
Definite-Lived Intangible Assets
Useful Lives	15 years
Gross Carrying Amount		4,000,000	4,000,000
Accumulated Amortization		2,999,973	2,933,307
Trade Names [Member]
Definite-Lived Intangible Assets
Gross Carrying Amount		880,106	880,106
Accumulated Amortization		610,886	595,381
Minimum [Member] | Customer Relationships [Member]
Definite-Lived Intangible Assets
Useful Lives	14 years
Minimum [Member] | Trade Names [Member]
Definite-Lived Intangible Assets
Useful Lives	3 years
Maximum [Member] | Customer Relationships [Member]
Definite-Lived Intangible Assets
Useful Lives	15 years
Maximum [Member] | Trade Names [Member]
Definite-Lived Intangible Assets
Useful Lives	5 years
Franchise Rights [Member]
Definite-Lived Intangible Assets
Gross Carrying Amount		3,000,000	3,000,000
Accumulated Amortization