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v3.23.1

LONG-TERM DEBT - Credit Facility (Details) $ in Thousands |  | 3 Months Ended |
--- | --- | --- | ---
Jan. 13, 2023 USD ($) | Mar. 31, 2023 USD ($) | Mar. 09, 2020 USD ($)
Long-Term Debt |  |  |
Debt issuance costs incurred |  | $ 11,653 |
Credit Agreement |  |  |
Long-Term Debt |  |  |
Maximum borrowing capacity | $ 425,000 |  |
Minimum liquidity to extend maturity | $ 200,000 |  |
Debt issuance costs incurred |  | 11,700 |
Letters of credit outstanding |  | 41,000 |
Debt available for borrowing |  | $ 384,000 |
Annual commitment fee percentage, undrawn portion |  | 0.50% |
ARLP debt arrangements requirements, debt to cash flow ratio |  | 0.54 |
Interest coverage ratio | 3.0 |  |
Actual cash flow to interest expense ratio for trailing twelve months |  | 294.35 |
ARLP debt arrangements requirements, period over which the ratios are required to be maintained |  | 12 months |
Credit Agreement | Overnight Bank Funding Rate |  |  |
Long-Term Debt |  |  |
Basis spread for variable interest rate (as a percent) | 0.50% |  |
Credit Agreement | Daily Simple Secured Overnight Financing Rate |  |  |
Long-Term Debt |  |  |
Basis spread for variable interest rate (as a percent) | 1.00% |  |
Credit Agreement | Alliance Coal |  |  |
Long-Term Debt |  |  |
ARLP debt arrangements requirements, debt to cash flow ratio | 1.5 |  |
Actual debt to cash flow ratio for trailing twelve months |  | 0.09 |
Credit Agreement | Alliance Coal and Intermediate Partnership |  |  |
Long-Term Debt |  |  |
ARLP debt arrangements requirements, debt to cash flow ratio | 2.5 |  |
Actual debt to cash flow ratio for trailing twelve months |  | 0.54 |
Letters of credit subfacility |  |  |
Long-Term Debt |  |  |
Maximum borrowing capacity | $ 425,000 |  | $ 125,000
Swingline subfacility |  |  |
Long-Term Debt |  |  |
Maximum borrowing capacity | 15,000 |  | 15,000
Term Loan |  |  |
Long-Term Debt |  |  |
Maximum borrowing term loan | $ 75,000 |  |
Interest rate (as a percent) | 6.25% |  |
Revolving credit facility |  |  |
Long-Term Debt |  |  |
Maximum borrowing capacity |  |  | $ 459,500

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