Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Operating Activities
Net Income	$ 32,812	$ 32,521
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	23,493	22,155
Depreciation and accretion included in other costs	5,357	5,280
Deferred income taxes, net	12,004	(1,155)
Realized gain on commodity contracts/sale of assets/investments	(405)	(411)
Unrealized (gain) loss on investments/commodity contracts	(243)	60
Employee benefits and compensation	1,217	901
Share-based compensation	1,887	1,445
Other, net	42	13
Changes in assets and liabilities:
Accounts receivable and accrued revenue	(3,835)	21,898
Propane inventory, storage gas and other inventory	(2,179)	3,166
Regulatory assets/liabilities, net	(3,326)	6,467
Prepaid expenses and other current assets	485	(159)
Accounts payable and other accrued liabilities	3,679	(9,897)
Income taxes receivable	14,897	14,883
Customer deposits and refunds	(314)	(1,177)
Accrued compensation	(2,293)	(1,406)
Other assets and liabilities, net	(1,053)	(652)
Net cash provided by operating activities	82,225	93,932
Investing Activities
Property, plant and equipment expenditures	(106,851)	(97,299)
Proceeds from sales of assets	119	109
Acquisitions, net of cash acquired	0	(20,930)
Environmental expenditures	(260)	(113)
Net cash used in investing activities	(106,992)	(118,233)
Financing Activities
Common stock dividends	(12,964)	(11,725)
Issuance of stock for Dividend Reinvestment Plan	600	633
Stock issuance	57,306	0
Change in cash overdrafts due to outstanding checks	2,466	2,964
Net (repayment) borrowing under line of credit agreements	(21,379)	35,898
Repayment of long-term debt and capital lease obligation	(2,581)	(4,262)
Net cash provided by financing activities	23,448	23,508
Net Decrease in Cash and Cash Equivalents	(1,319)	(793)
Cash and Cash Equivalents—Beginning of Period	2,855	4,574
Cash and Cash Equivalents—End of Period	$ 1,536	$ 3,781