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The estimated amount of financing costs.

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The monthly brokerage commission percentage.

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Amount of amortization expense attributable to debt issuance costs.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Face (par) amount of debt instrument at time of issuance.

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Description of the frequency of periodic payments (monthly, quarterly, annual).

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of the required periodic payments applied to principal.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Long-Term Debt (Condensed) (Details) - USD ($)						3 Months Ended
Long-Term Debt (Condensed) (Details) - USD ($)	Jun. 26, 2018	Jun. 25, 2018	Jun. 20, 2018	Jun. 11, 2018	Jun. 04, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Mar. 31, 2018	Jun. 08, 2017	Mar. 31, 2015
Debt obligations
Total debt obligations								$ 758,072,927	$ 775,164,186
Less: deferred financing fees						$ 16,061,034		16,419,824	16,061,034
Total								741,653,103	759,103,152
Presented as follows:
Current portion of long-term debt								63,968,414	65,067,569
Long-term debt—net of current portion and deferred financing fees								677,684,689	694,035,583
Total								741,653,103	759,103,152
Deferred financing fees
Deferred finance fees, beginning						16,061,034
Additions						1,152,002
Amortization						(793,212)	$ (1,098,827)
Deferred finance fees, end						$ 16,419,824
CJNP LPG Transport LLC
Long-Term Debt
Value of vessel transferred				$ 48,300,000
Term of Charter Agreement				6 years
Period until purchase option exercisable				2 years
Proceeds from sale of vessel				$ 21,700,000
Deposit retained by buyer				$ 26,600,000
CMNL LPG Transport LLC
Long-Term Debt
Value of vessel transferred		$ 45,800,000
Term of Charter Agreement		7 years
Period until purchase option exercisable		2 years
Proceeds from sale of vessel		$ 20,600,000
Deposit retained by buyer		$ 25,200,000
CNML LPG Transport LLC
Long-Term Debt
Value of vessel transferred	$ 50,800,000
Term of Charter Agreement	7 years
Period until purchase option exercisable	2 years
Proceeds from sale of vessel	$ 22,900,000
Deposit retained by buyer	$ 27,900,000
2017 Bridge Loan
Long-Term Debt
Original loan amount										$ 97,000,000
Repayment of debt			$ 44,600,000		$ 22,300,000
Debt obligations
Total debt obligations									66,940,405
2017 Bridge Loan \| CMNL LPG Transport LLC
Long-Term Debt
Repayment of debt			21,200,000
2017 Bridge Loan \| CNML LPG Transport LLC
Long-Term Debt
Repayment of debt			$ 23,400,000
Japanese Financings
Debt obligations
Total debt obligations								223,926,650	161,568,910
Corsair Japanese Financing
Debt obligations
Total debt obligations								49,833,333	50,645,833
Concorde Japanese Financing
Debt obligations
Total debt obligations								54,384,615	55,192,308
Corvette Japanese Financing
Debt obligations
Total debt obligations								54,923,077	55,730,769
CJNP Japanese Financing
Long-Term Debt
Stated rate (as a percent)				6.00%
Estimated financing cost to be incurred				$ 100,000
Monthly brokerage commission (as a percent)				1.25%
Brokerage commission fee on exercised purchase option excluding buyer deposit (as a percent)				1.00%
Principal payment frequency				monthly
Periodic principal payment amount				$ 100,000
Balloon payment amount				$ 13,000,000
Debt obligations
Total debt obligations								21,591,875
CMNL Japanese Financing
Long-Term Debt
Stated rate (as a percent)		6.00%
Estimated financing cost to be incurred		$ 100,000
Monthly brokerage commission (as a percent)		1.25%
Brokerage commission fee on exercised purchase option excluding buyer deposit (as a percent)		1.00%
Principal payment frequency		monthly
Periodic principal payment amount		$ 100,000
Balloon payment amount		$ 11,000,000
Debt obligations
Total debt obligations								20,473,363
CNML Japanese Financing
Long-Term Debt
Stated rate (as a percent)	6.00%
Estimated financing cost to be incurred	$ 100,000
Monthly brokerage commission (as a percent)	1.25%
Brokerage commission fee on exercised purchase option excluding buyer deposit (as a percent)	1.00%
Principal payment frequency	monthly
Periodic principal payment amount	$ 100,000
Balloon payment amount	$ 13,000,000
Debt obligations
Total debt obligations								22,720,387
2015 Debt Facility
Long-Term Debt
Original loan amount											$ 758,000,000
Debt obligations
Total debt obligations								534,146,277	546,654,871
Commercial Financing
Debt obligations
Total debt obligations								184,913,825	187,989,229
KEXIM Direct Financing
Debt obligations
Total debt obligations								137,218,158	141,004,162
KEXIM Guaranteed
Debt obligations
Total debt obligations								141,602,690	145,348,064
K-sure Insured
Debt obligations
Total debt obligations								$ 70,411,604	$ 72,313,416