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Consolidated Statement of Cash Flows (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Operating activities:      
Net income $ 22,384 $ 22,318 $ 20,878
Adjustments to reconcile net income to net cash provided by operating activities:      
Depreciation and amortization 36,595 34,629 32,709
Deferred income taxes 11,567 12,235 16,458
Share-based compensation 912 564 651
Gain on sale of real estate investment (1,063) (910) 0
Loss on sale of utility property 0 0 23
Changes in operating assets and liabilities:      
Accounts receivable and accrued unbilled utility revenue (3,073) (800) (2,470)
Accounts payable, purchased power and other current liabilities (21) 933 (133)
Accrued groundwater extraction charges and purchased water 2,361 (1,034) 1,430
Tax receivable and accrued taxes (1,112) 5,093 (1,102)
Other current asset and liabilities related to balancing and memorandum accounts 388 5,740 (5,740)
Postretirement benefits 127 77 (37)
Regulatory asset related to balancing and memorandum accounts (3,645) (3,550) 0
Other noncurrent assets and noncurrent liabilities (884) (1,503) 1,855
Other changes, net (1,111) 575 (318)
Net cash provided by operating activities 63,425 74,367 64,204
Investing activities:      
Company-funded (82,720) (101,458) (62,439)
Contributions in aid of construction (11,605) (4,376) (7,311)
Additions to real estate investment (4,232) (678) (156)
Payments for business/asset acquisition and water rights (3,349) (2,280) (4,040)
Cost to retire utility plant, net of salvage (2,695) (922) (1,816)
Proceeds from sale of real estate investment 8,831 5,517 0
Proceeds from sale of utility property 0 0 43
Net cash used in investing activities (95,770) (104,197) (75,719)
Financing activities:      
Borrowings from line of credit 48,600 16,300 17,600
Repayments of line of credit (41,500) (1,000) (21,600)
Long-term borrowings 0 0 50,000
Repayments of long-term borrowings (5,439) (3,696) (1,094)
Debt issuance costs (19) (33) (87)
Dividends paid (14,443) (13,231) (12,823)
Issuance of common stock, net of issuance costs 35,894 0 0
Exercise of stock options and similar instruments 1,004 989 564
Tax benefits realized from share options exercised 28 97 7
Receipts of advances and contributions in aid of construction 10,293 8,407 6,149
Refunds of advances for construction (2,296) (2,215) (2,197)
Net cash provided by financing activities 32,122 5,618 36,519
Net change in cash and cash equivalents (223) (24,212) 25,004
Cash and cash equivalents, beginning of year 2,299 2,522 26,734
Cash and cash equivalents, end of year 2,522 26,734 1,730
Cash paid (received) during the year for:      
Interest 20,886 21,206 20,307
Income Taxes Paid, Net 4,186 (1,445) (2,930)
Supplemental disclosure of non-cash activities:      
Increase in accrued payables for construction costs capitalized 4,588 355 1,971
Utility property installed by developers 2,162 4,073 567
Obligations relieved related to acquisition of certain water service assets $ 0 $ 0 $ (726)