Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Operating Activities
Net Income	$ 28,396	$ 27,403
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	15,283	14,518
Depreciation and accretion included in other costs	3,436	3,486
Deferred income taxes, net	6,162	(1,366)
Realized (gain) loss on commodity contracts/sale of assets/investments	664	(686)
Unrealized gain on investments/commodity contracts	(42)	(187)
Employee benefits and compensation	760	601
Share-based compensation	1,264	947
Other, net	24	8
Changes in assets and liabilities:
Accounts receivable and accrued revenue	2,264	20,194
Propane inventory, storage gas and other inventory	663	4,405
Regulatory assets/liabilities, net	519	12,728
Prepaid expenses and other current assets	2,878	3,261
Accounts payable and other accrued liabilities	(4,069)	(16,359)
Income taxes receivable	20,680	19,300
Customer deposits and refunds	399	(3,748)
Accrued compensation	(3,340)	(3,788)
Other assets and liabilities, net	(1,786)	(315)
Net cash provided by operating activities	74,155	80,402
Investing Activities
Property, plant and equipment expenditures	(70,045)	(57,350)
Proceeds from sales of assets	89	49
Payments to Acquire Businesses, Net of Cash Acquired	0	20,930
Environmental expenditures	(177)	(73)
Net cash used in investing activities	(70,133)	(78,304)
Financing Activities
Common stock dividends	(8,453)	(7,532)
Issuance of stock for Dividend Reinvestment Plan	429	417
Change in cash overdrafts due to outstanding checks	1,473	2,367
Net borrowing (repayment) under line of credit agreements	5,166	4,114
Repayment of long-term debt and capital lease obligation	(2,226)	(3,934)
Net cash used in financing activities	(3,611)	(4,568)
Net Increase (Decrease) in Cash and Cash Equivalents	411	(2,470)
Cash and Cash Equivalents—Beginning of Period	2,855	4,574
Cash and Cash Equivalents—End of Period	$ 3,266	$ 2,104