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Revenue Recognition (Notes) | 3 Months Ended
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Mar. 31, 2018
Revenue from Contract with Customer [Abstract] |
Revenue from Contract with Customer [Text Block] | 3. Revenue Recognition We recognize revenue when our performance obligations under contracts with customers have been satisfied, which generally occurs when our businesses have delivered or transported natural gas, electricity or propane to customers. We exclude sales taxes and other similar taxes from the transaction price. Typically, our customers pay for the goods and/or services we provide in the subsequent month following the satisfaction of our performance obligation. The following table is a breakdown of our revenue by major source based on product and service type for the three months ended March 31, 2018:
|  | Regulated Energy |  | Unregulated Energy |  | Other and Eliminations |  | Total
Energy distribution |  |  |  |  |  |  |  |
Florida natural gas division |  | $ | 5,864 |  |  | $ | — |  |  | $ | — |  |  | $ | 5,864 |
Delaware natural gas division |  | 32,072 |  |  | — |  |  | — |  |  | 32,072 |
FPU electric distribution |  | 18,741 |  |  | — |  |  | — |  |  | 18,741 |
FPU natural gas distribution |  | 23,213 |  |  | — |  |  | — |  |  | 23,213 |
Maryland natural gas division |  | 10,672 |  |  | — |  |  | — |  |  | 10,672 |
Sandpiper |  | 8,964 |  |  | — |  |  | — |  |  | 8,964 |
Total energy distribution |  | 99,526 |  |  | — |  |  | — |  |  | 99,526 |
Energy transmission |  |  |  |  |  |  |  |
Aspire Energy |  | — |  |  | 12,077 |  |  | — |  |  | 12,077 |
Eastern Shore |  | 15,597 |  |  | — |  |  | — |  |  | 15,597 |
Peninsula Pipeline |  | 2,098 |  |  | — |  |  | — |  |  | 2,098 |
Total energy transmission |  | 17,695 |  |  | 12,077 |  |  | — |  |  | 29,772 |
Energy generation |  |  |  |  |  |  |  |
Eight Flags |  | — |  |  | 4,378 |  |  | — |  |  | 4,378 |
Propane delivery |  |  |  |  |  |  |  |
Delmarva Peninsula propane delivery |  | — |  |  | 45,470 |  |  | — |  |  | 45,470 |
Florida propane delivery |  | — |  |  | 6,634 |  |  | — |  |  | 6,634 |
Total propane delivery |  | — |  |  | 52,104 |  |  | — |  |  | 52,104 |
Energy services |  |  |  |  |  |  |  |
PESCO |  | — |  |  | 81,559 |  |  | — |  |  | 81,559 |
Other and eliminations |  |  |  |  |  |  |  |
Eliminations |  | (7,828 | ) |  | (5,245 | ) |  | (15,598 | ) |  | (28,671 | )
Other |  | — |  |  | 494 |  |  | 194 |  |  | 688 |
Total other and eliminations |  | (7,828 | ) |  | (4,751 | ) |  | (15,404 | ) |  | (27,983 | )
Total operating revenues (1) |  | $ | 109,393 |  |  | $ | 145,367 |  |  | $ | (15,404 | ) |  | $ | 239,356 |
(1) Includes other revenue (revenues from sources other than contracts with customers) of $(589,000) and $73,000 for our Regulated and Unregulated Energy segments, respectively. The sources of other revenues include revenue from alternative revenue programs related to weather normalization for Maryland division and Sandpiper and late fees. Regulated Energy segment Our businesses within the Regulated Energy segment are regulated utilities whose operations and customer contracts are subject to tariff rates approved by the state regulators or the FERC. Our energy distribution operations deliver natural gas or electricity to customers and we bill the customers for both the delivery of natural gas or electricity and the related commodity, where applicable. In most jurisdictions, our customers are also required to purchase the commodity from us, although certain customers in some jurisdictions may purchase the commodity from a third party retailer (in which case we only provide delivery service). We consider the delivery of natural gas or electricity and/or the related commodity sale as one performance obligation because the commodity and its delivery are highly interrelated with two-way dependency on one another. Our performance obligation is satisfied over time as natural gas or electricity is delivered and consumed by the customer. We recognize revenues based on monthly meter readings, which are based on quantity of natural gas or electricity used and the approved rates. We accrue unbilled revenues for natural gas and electricity that have been delivered, but not yet billed, at the end of an accounting period to the extent that billing and delivery do not coincide. Revenues for Eastern Shore are based on rates approved by the FERC. The FERC has also authorized Eastern Shore to negotiate rates above or below the FERC-approved maximum rates, which customers can elect as an alternative to negotiated rates. Eastern Shore's services can be firm or interruptible. Firm services are offered on a guaranteed basis and are available at all times unless prevented by force majeure or other permitted curtailments. Interruptible customers only receive service when there is available capacity or supply. Our performance obligation is satisfied over time as we deliver natural gas to the customers' locations. We recognize revenues based on meter readings at the end of the month, which are based on capacity used or reserved and the fixed monthly charge. Peninsula Pipeline is engaged in natural gas intra-state transmission to third-party customers and certain affiliates in the state of Florida. Our performance obligation is satisfied over time as the natural gas is transported to customers. We recognize revenue based on rates approved by the Florida PSC and the capacity used or reserved. Since we bill customers at the end of each month, we do not have any unbilled revenue. Unregulated Energy segment Revenues generated from the Unregulated Energy segment are not subject to any federal, state, or local pricing regulations. Aspire Energy primarily sources gas from hundreds of conventional producers and performs gathering and processing functions to maintain the quality and reliability of its gas for its wholesale customers. Aspire Energy's performance obligation is satisfied over time as natural gas is delivered to its customers. Aspire Energy recognizes revenue based on the deliveries of natural gas at contractually agreed upon rates (which are based upon an index price that is established monthly and a monthly operating fee, as applicable). For natural gas customers, we accrue unbilled revenues for natural gas that has been delivered, but not yet billed, at the end of an accounting period to the extent that billing and delivery do not coincide with the end of the accounting period. Eight Flags' CHP plant, which is located on land leased from Rayonier, produces three sources of energy: electricity, steam and heated water. Rayonier purchases the steam (unfired and fired) and heated water, which is used in Rayonier’s production facility. Our electric distribution operation purchases the electricity generated by the CHP plant for distribution to its customers. Eight Flags' performance obligation is satisfied over time as deliveries of heated water, steam and electricity occur. Eight Flags recognizes revenues over time based on the amount of heated water, steam and electricity generated and delivered to its customers. For our propane delivery operations, we recognize revenue based upon customer type and service offered. Generally, for propane bulk delivery customers (customers without meters) and wholesale sales, our performance obligation is satisfied when we deliver propane to the customers' locations (point-in-time basis). We recognize revenue from these customers based on the number of gallons delivered and the price per gallon at the point-in-time of delivery. For our propane delivery customers with meters, we satisfy our performance obligation over time when we deliver propane to customers. We recognize revenue over time based on the amount of propane consumed and the applicable price per unit. For propane delivery metered customers, we accrue unbilled revenues for propane that has been delivered, but not yet billed, at the end of an accounting period to the extent that billing and delivery do not coincide with the end of the accounting period. PESCO provides natural gas supply and asset management services to customers (including Chesapeake Utilities affiliates) located primarily in Florida, the Delmarva Peninsula, and the Appalachian Basin. PESCO's performance obligation is satisfied over time as natural gas is delivered to its customers. PESCO recognizes revenue over time based on customer meter readings, on a monthly basis. We accrue unbilled revenues for natural gas that has been delivered, but not yet billed, at the end of an accounting period to the extent that billing and delivery do not coincide with the end of the accounting period. Contract balances The timing of revenue recognition, customer billings and cash collections results in trade receivables, unbilled receivables (contract assets), and customer advances (contract liabilities) in our consolidated balance sheets. The opening and closing balances of our trade receivables, contract assets, and contract liability are as follows:
|  | Trade Receivables |  | Contract Assets (Non-current) |  | Contract Liability (Current)
in thousands |  |  |  |  |  |
Balance at 12/31/2017 |  | $ | 74,962 |  |  | $ | 1,270 |  |  | $ | 407 |
Balance at 3/31/2018 |  | 67,828 |  |  | 1,305 |  |  | 244 |
Increase (decrease) |  | $ | (7,134 | ) |  | $ | 35 |  |  | $ | (163 | )
Our trade receivables are included in trade and other receivables in the condensed consolidated balance sheets. Our non-current contract assets are included in other assets in the condensed consolidated balance sheet and relate to operations and maintenance costs that have not yet been recovered through rates for the sale of electricity to our electric distribution operation pursuant to a long-term service agreement. At times, we receive advances or deposits from our customers before we satisfy our performance obligation, resulting in contract liabilities. At March 31, 2018 and December 31, 2017, we had a contract liability, which was included in other accrued liabilities in the condensed consolidated balance sheet, of $244,000 and $407,000, respectively, and which relates to non-refundable prepaid fixed fees for our Delmarva Peninsula propane delivery operation's retail offerings. Our performance obligation is satisfied over the term of the respective retail offering plan on a ratable basis. For the three months ended March 31, 2018, we recognized revenue of $251,000. Practical expedients For our businesses with agreements that contain variable consideration, we use the invoice practical expedient method. We determined that the amounts invoiced to customers correspond directly with the value to our customers and our performance to date. For our long-term contracts, the revenue we recognize corresponds directly to the amount we have the right to invoice, which corresponds directly to our performance obligation. Our performance obligations under our long-term contracts are satisfied over time. As a practical expedient, we do not disclose information about remaining, or unsatisfied, performance obligations for these long-term contracts since the revenue recognized corresponds to the amount we have the right to invoice.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 + Details
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