Condensed Consolidated Statements of Operations and Comprehensive Income or Loss - Unaudited - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Revenues and other income:
Sale of real estate and water assets	$ 230	$ 136	$ 10,957	$ 25,276
Impairment loss on investment in unconsolidated affiliate	(1,312)	0	(1,312)	0
Other income, net	388	69	617	9,756
Total revenues (loss) and other income	(694)	205	10,262	35,032
Cost of sales and expenses:
Cost of real estate and water assets sold	98	55	4,458	12,604
General, administrative, and other	3,859	2,943	8,947	9,865
Depreciation and amortization	18	24	57	159
Total cost of sales and expenses	3,975	3,022	13,462	22,628
Income (loss) from continuing operations before income taxes	(4,669)	(2,817)	(3,200)	12,404
Provision for federal and state income taxes	0	(292)	(72)	(3,419)
Income (loss) from continuing operations	(4,669)	(3,109)	(3,272)	8,985
Income (loss) from discontinued operations, net of tax	0	(5,269)	0	3,053
Income (loss) on sale and impairment loss on classification of assets as held-for-sale, net of tax	0	2,094	43	(9,309)
Net income (loss) from discontinued operations, net of tax	0	(3,175)	43	(6,256)
Net income (loss)	(4,669)	(6,284)	(3,229)	2,729
Net (income) loss attributable to noncontrolling interests	0	1,645	0	(1,150)
Net loss attributable to PICO Holdings, Inc.	(4,669)	(4,639)	(3,229)	1,579
Other comprehensive loss:
Net income (loss)	(4,669)	(6,284)	(3,229)	2,729
Other comprehensive income (loss), net of tax:
Unrealized loss on securities, net of deferred income tax and reclassification adjustments	0	(387)	(544)	(6,286)
Foreign currency translation	0	6	0	32
Total other comprehensive loss, net of tax	0	(381)	(544)	(6,254)
Comprehensive loss	(4,669)	(6,665)	(3,773)	(3,525)
Comprehensive (income) loss attributable to noncontrolling interests	0	1,645	0	(1,150)
Comprehensive loss attributable to PICO Holdings, Inc.	$ (4,669)	$ (5,020)	$ (3,773)	$ (4,675)
Net income (loss) per common share – basic and diluted:
Income (loss) from continuing operations (in dollars per share)	$ (0.21)	$ (0.13)	$ (0.15)	$ 0.39
Loss from discontinued operations (in dollars per share)	0.00	(0.07)	0.00	(0.32)
Net income (loss) per common share – basic and diluted (in dollars per share)	$ (0.21)	$ (0.20)	$ (0.15)	$ 0.07
Weighted average shares outstanding (in shares)	21,754	23,138	22,400	23,112