Revenue Recognition Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2022

Dec. 31, 2021

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

for the years ended December 31, 2022, 2021 and 2020:

	For the year ended December 31, 2022
(in thousands)	Regulated Energy		Unregulated Energy		Other and Eliminations		Total
Energy distribution
Delaware natural gas division	$	82,176	$	—	$	—	$	82,176
Florida natural gas division	40,036		—		—		40,036
FPU electric distribution	81,714		—		—		81,714
FPU natural gas distribution	115,834		—		—		115,834
Maryland natural gas division	26,607		—		—		26,607
Sandpiper natural gas/propane operations	21,278		—		—		21,278
Elkton Gas	9,198		—		—		9,198
Total energy distribution	376,843		—		—		376,843
Energy transmission
Aspire Energy	—		56,225		—		56,225
Aspire Energy Express	1,377		—		—		1,377
Eastern Shore	78,624		—		—		78,624
Peninsula Pipeline	27,263		—		—		27,263
Total energy transmission	107,264		56,225		—		163,489
Energy generation
Eight Flags	—		25,318		—		25,318
Propane operations
Propane distribution operations	—		188,412		—		188,412
Compressed Natural Gas Services
Marlin Gas Services	—		11,159		—		11,159
Other and eliminations
Eliminations	(54,683)		(364)		(29,778)		(84,825)
Other	—		—		308		308
Total other and eliminations	(54,683)		(364)		(29,470)		(84,517)
Total operating revenues (1)	$	429,424	$	280,750	$	(29,470)	$	680,704

    

(1) Total operating revenues for the year ended December 31, 2022, include other revenue (revenues from sources other than contracts with customers) of $0.5 million and $0.4 million for our Regulated and Unregulated Energy segments, respectively. The sources of other revenues include revenue from alternative revenue programs related to revenue normalization for Maryland division and Sandpiper and late fees.

	For the year ended December 31, 2021
(in thousands)	Regulated Energy		Unregulated Energy		Other and Eliminations		Total
Energy distribution
Delaware natural gas division	$	71,195	$	—	$	—	$	71,195
Florida natural gas division	34,074		—		—		34,074
FPU electric distribution	78,300		—		—		78,300
FPU natural gas distribution	100,535		—		—		100,535
Maryland natural gas division	22,449		—		—		22,449
Sandpiper natural gas/propane operations	20,746		—		—		20,746
Elkton Gas	7,105		—		—		7,105
Total energy distribution	334,404		—		—		334,404
Energy transmission
Aspire Energy	—		38,163		—		38,163
Aspire Energy Express	187		—		—		187
Eastern Shore	76,911		—		—		76,911
Peninsula Pipeline	26,630		—		—		26,630
Total energy transmission	103,728		38,163		—		141,891
Energy generation
Eight Flags	—		18,652		—		18,652
Propane operations
Propane distribution operations	—		142,082		—		142,082
Compressed Natural Gas Services
Marlin Gas Services	—		8,315		—		8,315
Other and eliminations
Eliminations	(54,212)		(343)		(21,348)		(75,903)
Other	—		—		527		527
Total other and eliminations	(54,212)		(343)		(20,821)		(75,376)
Total operating revenues (1)	$	383,920	$	206,869	$	(20,821)	$	569,968

    (1) Total operating revenues for the year ended December 31, 2021, include other revenue (revenues from sources other than contracts with customers of $0.2 million and $0.4 million for our Regulated and Unregulated Energy segments, respectively. The sources of other revenues include revenue from alternative revenue programs related to revenue normalization for Maryland division and Sandpiper and late fees

	For the years ended December 31, 2020
(in thousands)	Regulated Energy		Unregulated Energy		Other and Eliminations		Total
Energy distribution
Delaware natural gas division	$	63,389	$	—	$	—	$	63,389
Florida natural gas division	30,850		—		—		30,850
FPU electric distribution	76,863		—		—		76,863
FPU natural gas distribution	90,150		—		—		90,150
Maryland natural gas division	21,853		—		—		21,853
Sandpiper natural gas/propane operations	17,214		—		—		17,214
Elkton Gas	2,399		—		—		2,399
Total energy distribution	302,718		—		—		302,718
Energy transmission
Aspire Energy	—		27,951		—		27,951
Aspire Energy Express	16		—		—		16
Eastern Shore	75,117		—		—		75,117
Peninsula Pipeline	23,080		—		—		23,080
Total energy transmission	98,213		27,951		—		126,164
Energy generation
Eight Flags	—		16,147		—		16,147
Propane operations
Propane distribution operations	—		100,744		—		100,744
Compressed Natural Gas Services
Marlin Gas Services	—		7,818		—		7,818
Other and eliminations
Eliminations	(48,185)		(134)		(17,602)		(65,921)
Other	—		—		528		528
Total other and eliminations	(48,185)		(134)		(17,074)		(65,393)
Total operating revenues (1)	$	352,746	$	152,526	$	(17,074)	$	488,198

(1) Total operating revenues for the year ended December 31, 2020, include other revenue (revenues from sources other than contracts with customers) of $1.4 million and $0.2 million for our Regulated and Unregulated Energy segments, respectively. The sources of other revenues include revenue from alternative revenue programs related to revenue normalization for Maryland division and Sandpiper and late fees.

Contract with Customer, Asset and Liability [Table Text Block]

The balances of our trade receivables, contract assets, and contract liabilities as of December 31, 2022 and 2021 were as follows:

	Trade Receivables		Contract Assets (Current)		Contract Assets (Noncurrent)		Contract Liabilities (Current)
(in thousands)
Balance at 12/31/2021	$	56,277	$	18	$	4,806	$	747
Balance at 12/31/2022	61,687		18		4,321		983
Increase (decrease)	$	5,410	$	—	$	(485)	$	236

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

Revenue for these businesses for the remaining performance obligations at December 31, 2022 are expected to be recognized as follows:

(in thousands)	2023		2024		2025		2026		2027		2028 and thereafter
Eastern Shore and Peninsula Pipeline	$	36,472	$	33,148	$	26,890	$	23,444	$	20,536	$	167,663
Natural gas distribution operations	6,287		6,106		5,748		5,518		5,101		33,113
FPU electric distribution	652		652		275		275		275		275
Total revenue contracts with remaining performance obligations	$	43,411	$	39,906	$	32,913	$	29,237	$	25,912	$	201,051