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Rates and Other Regulatory Activities Rates and Regulatory Activities (Tables)
 6 Months Ended
Jun. 30, 2023
Rates and Regulatory Activities [Abstract]  
Summary of Effects of Federal Tax Reform on Regulated Businesses [Table Text Block] The following table summarizes the regulatory liabilities related to accumulated deferred taxes ("ADIT") associated with TCJA for our regulated businesses as of June 30, 2023 and December 31, 2022:
Amount (in thousands)
Operation and Regulatory JurisdictionJune 30, 2023December 31, 2022Status
Eastern Shore (FERC)$34,190$34,190Will be addressed in Eastern Shore's next rate case filing.
Chesapeake Delaware natural gas division (Delaware PSC)$12,134$12,230PSC approved amortization of ADIT in January 2019.
Chesapeake Maryland natural gas division (Maryland PSC)$3,644$3,703PSC approved amortization of ADIT in May 2018.
Sandpiper Energy (Maryland PSC)$3,542$3,597PSC approved amortization of ADIT in May 2018.
Florida natural gas distribution (Florida PSC) (1)
$26,894$27,179PSC issued order authorizing amortization and retention of net ADIT liability by the Company in February 2019.
FPU electric division (Florida PSC)$4,876$4,993In January 2019, PSC issued order approving amortization of ADIT through purchased power cost recovery, storm reserve and rates.
Elkton Gas (Maryland PSC)$1,043$1,059PSC approved amortization of ADIT in March 2018.
(1) In accordance with the Florida PSC approval of our natural gas base rate proceeding, effective March 1, 2023, our natural gas distribution businesses in Florida have been consolidated for rate-making purposes and amounts above are now being presented on a consolidated basis consistent with the final rate order.