Consolidated Statements of Cash Flows Statement - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract]
Net loss	$ (28,336)	$ (11,609)
Income (loss) from discontinued operations, net of taxes	1,064	(16,306)
Loss (gain) on disposal of discontinued operations, net of taxes	7,136	(1,017)
Equity in net loss (income) of investee	(2,499)	2,115
Dividend received from investee	780	0
Equity in net income of limited liability investments	241	1,551
Loss on change in fair value of limited liability investments	7,393	1,832
Depreciation and amortization expense	6,711	5,390
Contingent consideration benefit	0	(212)
Stock-based compensation (benefit) expense, net of forfeitures	(1,661)	1,186
Net realized losses (gains)	(17)	306
Gain on change in fair value of equity investments	381	0
Net change in unrealized loss on private company investments	1,629	758
Loss on change in fair value of debt	(1,720)	(8,487)
Deferred income taxes	(226)	(17,316)
Amortization of fixed maturities premiums and discounts	(57)	(95)
Amortization of note payable premium	(939)	(960)
Gain on disposal of subsidiary	17	0
Loss on liquidation of subsidiary	0	(494)
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Service fee receivable, net	997	(1,689)
Other receivables, net	(2,276)	(3,099)
Deferred acquisition costs, net	579	498
Unpaid loss and loss adjustment expenses	744	(873)
Deferred service fees	6,017	1,830
Other, net	2,745	5,133
Cash used in operating activities - continuing operations	(2,765)	(10,000)
Cash used in operating activities - discontinued operations	(7,378)	(4,404)
Net cash used in operating activities	(10,143)	(14,404)
Net Cash Provided by (Used in) Investing Activities [Abstract]
Proceeds from sales and maturities of fixed maturities	7,019	1,756
Proceeds from sales of equity investments	5,094	3,754
Purchases of fixed maturities	4,790	192
Purchases of equity investments	1,211	338
Proceeds from sale of investee	3,470
Net proceeds from (acquisitions of) limited liability investments		7,789
Purchases of limited liability investments, at fair value	(1,580)	(664)
Purchases of investments in private companies	0	(171)
Net proceeds from other investments	1,642	2,272
Net (purchases of) proceeds from short-term investments	1	(250)
Proceeds from sale of investee	1,001	0
Proceeds from disposal of subsidiary	(565)	0
Net proceeds from sale of discontinued operations	6,343	1,017
Acquisition of business, net of cash acquired	0	7,929
Net disposals of property and equipment and intangible assets	519	4,743
Cash provided by (used in) investing activities - continuing operations	18,071	(3,291)
Cash provided by investing activities - discontinued operations	1,977	23,392
Net cash provided by investing activities	20,048	20,101
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from issuance of common stock, net	0	(47)
Contributions from noncontrolling interest holders	678	339
Taxes paid related to net share settlements of restricted stock awards	(376)	0
Principal (payments on) proceeds from bank loan	1,000
Principal (payments on) proceeds from bank loan		4,917
Principal payments on note payable	3,392	3,037
Cash (used in) provided by financing activities - continuing operations	(4,090)	2,172
Cash provided by financing activities - discontinued operations	0	0
Net cash (used in) provided by financing activities	(4,090)	2,172
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect	11,216	(11,119)
Cash and cash equivalents and restricted cash at beginning of period		43,874
Less: cash and cash equivalents and restricted cash of discontinued operations at beginning of period		23,512
Cash and cash equivalents and restricted stock of continuing operations at beginning of period	14,619	5,377
Cash and cash equivalents and restricted cash of continuing operations at end of period	$ 20,362	$ 31,481