Financial Schedules Schedule II - Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net income (loss)	$ (2,193)	$ 103	$ (1,914)	$ 425	$ (11,176)	$ 2,324	$ 1,150	$ 1,197	$ (3,579)	$ (6,505)	$ 4,793
Realized investment gains (losses), net									5,459	19	247
Decrease in fair value of warrants											0
Amortization of premiums and discounts on investments									12,021	9,738	8,916
Depreciation									779	1,116	1,257
Accrued investment income									(1,949)	(1,110)	(1,947)
Other, net									99	542	(440)
Net cash provided by operating activities									87,153	97,934	81,414
Purchase of fixed maturities, held-to-maturity									(55,360)	(18,032)	(75,365)
Calls of fixed maturities, held-to-maturity									20,395	20,991	38,413
Purchase of fixed maturities, available-for-sale									(134,126)	(128,906)	(105,827)
Maturities of fixed maturities, available-for-sale									75,231	50,405	54,273
Purchase of equity securities, available-for-sale									(602)	(36,297)	0
Sale of real estate and other long-term investments									60	2	2
Purchase of other long-term investments and property and equipment									0	(4)	(86)
Net cash used in investing activities									(58,034)	(103,950)	(84,867)
Net cash provided by financing activities									3,000	2,131	1,747
Net increase (decrease) in cash and cash equivalents									32,119	(3,885)	(1,706)
Cash and cash equivalents at beginning of year				50,708				54,593	50,708	54,593	56,299
Cash and cash equivalents at end of year	82,827				50,708				82,827	50,708	54,593
Parent Company [Member]
Net income (loss)									(3,579)	(6,505)	4,793
Realized investment gains (losses), net									0	(46)	10
Equity in income of consolidated subsidiaries									5,558	8,378	(3,162)
Accrued expenses and other liabilities									339	(29)	(383)
Amortization of premiums and discounts on investments									984	789	696
Depreciation									155	169	229
Accrued investment income									(14)	(148)	(32)
Decrease (increase) in receivable from subsidiaries									(627)	69	159
Other, net									110	(471)	418
Net cash provided by operating activities									2,926	2,206	2,728
Purchase of fixed maturities, held-to-maturity									0	0	(232)
Purchase of fixed maturities, available-for-sale									(4,559)	(11,949)	(2,630)
Maturities of fixed maturities, available-for-sale									2,645	2,271	1,000
Sale of real estate and other long-term investments									16	0	128
Purchase of other long-term investments and property and equipment									(88)	0	(5)
Net cash used in investing activities									(1,986)	(9,678)	(1,739)
Dividend from subsidiary									0	5,250	0
Purchase of the Company's stock from affiliates									0	0	(440)
Net cash provided by financing activities									0	5,250	(440)
Net increase (decrease) in cash and cash equivalents									940	(2,222)	549
Cash and cash equivalents at beginning of year				$ 14,816				$ 17,038	14,816	17,038	16,489
Cash and cash equivalents at end of year	$ 15,756				$ 14,816				$ 15,756	$ 14,816	$ 17,038