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Related Party Transactions (Related Party Costs and Expenses) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023
Related party cost and expense: |  |
Costs and Expenses, Related Party | $ 30,600 | $ 23,700
Blackwater [Member] |  |
Related party cost and expense: |  |
Costs and Expenses, Related Party | 30,568 | 23,656
Lease expenses | Blackwater [Member] |  |
Related party cost and expense: |  |
Costs and Expenses, Related Party | 604 | 604
Lease expenses | Mercury [Member] |  |
Related party cost and expense: |  |
Costs and Expenses, Related Party | 38 |
Printing expenses | Blackwater [Member] |  |
Related party cost and expense: |  |
Costs and Expenses, Related Party | 1,103 | 349
Commission expenses | Blackwater [Member] |  |
Related party cost and expense: |  |
Costs and Expenses, Related Party | 22,695 | $ 22,703
Commission expenses | Mercury [Member] |  |
Related party cost and expense: |  |
Costs and Expenses, Related Party | $ 6,128 |

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- Definition Costs of sales and operating expenses for the period incurred from transactions with related parties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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- Details
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