Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Operating Activities
Net income	$ 515	$ 2,912	$ 5,762
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,549	5,090	4,871
Amortization of premium/discount of marketable securities	434	555	769
Equity in earnings	(7,098)	(6,324)	(5,294)
Non-cash retirement plan expense	1,046	997	164
Gain on sale of real estate/assets	(1,183)	(95)	0
Deferred income taxes	1,939	(120)	112
Stock compensation expense	4,585	3,757	3,534
Distribution of earnings from unconsolidated joint ventures	4,500	7,200	0
Changes in operating assets and liabilities:
Receivables, inventories, prepaids and other assets, net	(1,603)	2,733	2,291
Current liabilities, net	(2,099)	263	1,009
Net cash provided by operating activities	5,585	16,968	13,218
Investing Activities
Maturities and sales of marketable securities	11,750	24,157	20,844
Funds invested in marketable securities	(5,983)	(15,574)	(8,525)
Real estate and equipment expenditures	(26,380)	(28,048)	(24,775)
Reimbursement proceeds from Communities Facilities District	6,155	4,971	0
Proceeds from sale of real estate/assets	4,616	796	0
Investment in unconsolidated joint ventures	(2,000)	(52)	(9,656)
Purchase of partner interest in TMV LLC	0	0	(70,000)
Distribution of equity from unconsolidated joint ventures	1,600	1,100	0
Investments in long-term water assets	0	0	(480)
Other	0	(11)	0
Net cash used in investing activities	(10,242)	(12,661)	(92,592)
Financing Activities
Borrowings of line of credit	20,700	17,540	31,050
Repayments of line of credit	(13,000)	(24,390)	(24,200)
Borrowings of long-term debt	0	0	70,000
Repayments of long-term debt	(815)	(244)	(244)
Taxes on vested stock grants	(2,900)	(921)	(625)
Net cash provided by (used in) provided by financing activities	3,985	(8,015)	75,981
Decrease in cash and cash equivalents	(672)	(3,708)	(3,393)
Cash and cash equivalents at beginning of year	1,930	5,638	9,031
Cash and cash equivalents at end of year	1,258	1,930	5,638
Supplemental cash flow information
Increase in CIP attributable to reclassifying equity in investment of TMV, LLC	0	0	44,950
Accrued capital expenditures included in current liabilities	652	329	1,096
Capital expenditure financing arrangement	467	0	0
Taxes paid (net of refunds)	$ 1,135	$ 1,817	$ (2,384)