Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Statement of Cash Flows [Abstract]
Net income (loss)	$ 1,656	$ (1,528)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation	7,010	5,333
Cost of real estate sold	8,732	4,324
Gain on sale of assets	0	(1,952)
Loss on interest rate derivative instruments	79	182
Loss on early extinguishment of debt	0	(16)
Amortization of debt issuance costs and stock-based compensation	1,095	546
Equity in unconsolidated affiliates' loss	0	(13)
Increase in deposits	46	185
Deferred income taxes	2,731	(38)
Purchases and development of real estate properties	(8,655)	(5,756)
Municipal utility district reimbursements applied to real estate under development	0	920
Decrease (increase) in other assets	1,215	(1,636)
Decrease in accounts payable, accrued liabilities and other	(8,464)	(2,187)
Net cash provided by (used in) operating activities	5,445	(1,578)
Cash flow from investing activities:
Capital expenditures	(4,397)	(44,990)
Proceeds from sale of assets	0	3,170
Payments on master lease obligations	(691)	(766)
Purchase of noncontrolling interest in consolidated subsidiary	0	(4,589)
Other, net	0	(4)
Net cash used in investing activities	(5,088)	(47,179)
Cash flow from financing activities:
Borrowings from credit facility	12,800	14,086
Payments on credit facility	(21,304)	(15,648)
Borrowings from project loans	11,926	51,006
Payments on project and term loans	(6,976)	(5,619)
Cash dividend paid for stock-based awards	(8)	(17)
Stock-based awards net payments	(91)	(100)
Financing costs	(423)	(231)
Net cash (used in) provided by financing activities	(4,076)	43,477
Net decrease in cash, cash equivalents and restricted cash	(3,719)	(5,280)
Cash, cash equivalents and restricted cash at beginning of year	38,591	38,919
Cash, cash equivalents and restricted cash at end of period	$ 34,872	$ 33,639