Rendering

Component: (Network and Table)
Network
2407403 - Disclosure - Long-Term Debt: Schedule of Maturities of Long-term Debt (Details)
(http://www.blackhillscorp.com/role/LongTermDebtScheduleOfMaturitiesOfLongTermDebtDetails)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0000012400 (http://www.sec.gov/CIK)
Long-term Debt, Unclassified [Abstract]Period [Axis]
2016-12-31
Long-term Debt, Unclassified [Abstract]
 
2017
0  
2018
0  
2019
0  
2020
0  
2021
0  
Thereafter
342,855,000