Consolidated Statements of Cash Flows - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017		Dec. 31, 2016
Operating Activities
Net Income		$ 56,580	$ 58,124		$ 44,675
Adjustments to reconcile net income to net operating cash:
Depreciation and amortization		40,802	36,599		32,159
Depreciation and accretion included in operations expenses		8,535	8,122		7,334
Deferred income taxes, net	[1]	21,226	11,085		31,257
Realized loss on sale of assets/investments/commodity contracts		5,497	3,179		695
Unrealized loss (gain) on investments/commodity contracts		429	(1,001)		(385)
Employee benefits and compensation		856	1,577		1,887
Share-based compensation		2,813	2,490		2,367
Other, net		0	(750)		(79)
Changes in assets and liabilities:
Accounts receivable and accrued revenue		(16,311)	(19,506)		(27,013)
Propane inventory, storage gas and other inventory		2,107	(9,036)		(2,531)
Regulatory assets/liabilities, net		2,250	(2,855)		(7,523)
Prepaid expenses and other current assets		(7,421)	(7,001)		(1,387)
Accounts payable and other accrued liabilities		35,907	15,596		19,599
Income taxes receivable (payable)		(522)	8,110		2,466
Customer deposits and refunds		(596)	5,513		2,065
Accrued compensation		708	2,488		358
Other assets and liabilities, net		(6,082)	(2,645)		(1,803)
Net cash provided by operating activities		146,778	110,089		104,141
Investing Activities
Property, plant and equipment expenditures		(269,767)	(175,329)		(169,861)
Proceeds from sale of assets		782	708		174
Acquisitions, net of cash acquired		(16,654)	(11,945)		0
Environmental expenditures		(625)	(329)		(350)
Net cash used in investing activities		(286,264)	(186,895)		(170,037)
Financing Activities
Common stock dividends		(22,043)	(19,928)		(17,482)
Issuance of stock for Dividend Reinvestment Plan		(706)	89		811
Proceeds from issuance of common stock, net of expenses		0	(10)	[2]	57,360	[2]
Payments Related to Tax Withholding for Share-based Compensation		(1,210)	(692)		(770)
Change in cash overdrafts due to outstanding checks		(5,943)	1,738		3,920
Net borrowing under line of credit agreements		49,432	39,338		32,526
Proceeds from issuance of long-term debt		154,819	69,807		0
Repayment of long-term debt and capital lease obligation		(34,388)	(12,100)		(9,146)
Net cash provided by financing activities		139,961	78,242		67,219
Net Increase in Cash and Cash Equivalents		475	1,436		1,323
Cash and Cash Equivalents — Beginning of Period		5,614	4,178		2,855
Cash and Cash Equivalents — End of Period		$ 6,089	$ 5,614		$ 4,178

[1] (1) Includes $3.5 million, $873,000 and $2.1 million of deferred state income taxes for the years 2018, 2017 and 2016, respectively.

[2] On September 22, 2016, we completed a public offering of 960,488 shares of our common stock at a price per share of $62.26. The net proceeds from the sale of common stock, after deducting underwriting commissions and expenses, were approximately $57.4 million.