Subsequent Event, Estimated Cost of Incremental Gas Purchases, Due to Historic Cold Weather Event

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

+ References

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-Publisher FASB
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- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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Subsequent Events (Details) - USD ($)	Feb. 24, 2021	Oct. 03, 2019	Dec. 31, 2020	Dec. 31, 2019
Subsequent Event [Line Items]
Notes payable			$ 234,040,000	$ 349,500,000
Corporate, Non-Segment
Subsequent Event [Line Items]
Proceeds from Issuance of Debt		$ 700,000,000
Subsequent Event
Subsequent Event [Line Items]
Subsequent Event, Estimated Cost of Incremental Gas Purchases, Due to Historic Cold Weather Event	$ 600,000,000
Subsequent Event \| Corporate, Non-Segment \| Corporate Term Loan Due November 2021 \| Black Hills Corporation
Subsequent Event [Line Items]
Proceeds from Issuance of Debt	$ 800,000,000
Interest rate based on LIBOR plus basis points	75.00%
Prepayment penalty	$ 0
Notes payable	$ 800,000,000