Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Operating Activities
Net Income	$ 33,241	$ 25,190
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	19,543	17,906
Depreciation and accretion included in other costs	4,428	3,939
Deferred income taxes	7,668	12,034
Realized loss on commodity contracts/sale of assets/investments	3,857	2,223
Unrealized (gain) loss on investments/commodity contracts	(114)	184
Employee benefits and compensation	456	819
Share-based compensation	2,247	812
Other, net	(23)	(17)
Changes in assets and liabilities:
Accounts receivable and accrued revenue	32,230	26,862
Propane inventory, storage gas and other inventory	9,844	(2,543)
Regulatory assets/liabilities, net	11,035	4,255
Prepaid expenses and other current assets	11,523	2,129
Accounts payable and other accrued liabilities	(26,152)	(280)
Income taxes receivable	8,358	8,500
Customer deposits and refunds	(2,733)	1,487
Accrued compensation	(5,196)	(3,876)
Other assets and liabilities, net	(1,860)	(3,254)
Net cash provided by operating activities	108,352	96,370
Investing Activities
Property, plant and equipment expenditures	(126,811)	(88,627)
Proceeds from sales of assets	323	185
Environmental expenditures	(173)	(135)
Net cash used in investing activities	(126,661)	(88,577)
Financing Activities
Common stock dividends	(10,301)	(9,636)
(Purchase) issuance of stock under the Dividend Reinvestment Plan	(328)	421
Tax Withholding payments related to net settled stock compensation	(1,210)	(692)
Change in cash overdrafts due to outstanding checks	632	(2,370)
Net repayment under line of credit agreements and short-term borrowing under the Revolver	(16,313)	(61,910)
Proceeds from issuance of long-term debt	74,916	69,800
Repayment of long-term debt, long-term borrowing under the Revolver and capital lease obligation	(30,189)	(5,165)
Net cash provided (used) in financing activities	17,207	(9,552)
Net Decrease in Cash and Cash Equivalents	(1,102)	(1,759)
Cash and Cash Equivalents—Beginning of Period	5,614	4,178
Cash and Cash Equivalents—End of Period	$ 4,512	$ 2,419