Financial Schedules Schedule II - Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Net income (loss)	$ 4,951	$ 2,046	$ (4,565)	$ (3,802)	$ (1,432)	$ (7,109)	$ (2,558)	$ 37	$ (1,370)	$ (11,062)	$ (38,127)
Realized investment gains (losses), net									(5,249)	(108)	(518)
Amortization of premiums and discounts on investments									12,859	16,998	16,606
Depreciation									1,677	1,451	1,065
Accrued investment income									1,014	595	(1,159)
Allocated Share-Based Compensation Expense, Gross									2,099	410	0
Other, net									(1,707)	(752)	59
Net cash provided by operating activities									72,223	84,620	93,012
Purchase of fixed maturities, available-for-sale									(329,627)	(195,001)	(167,699)
Maturities of fixed maturities, available-for-sale									181,618	65,906	74,902
Proceeds from Sale and Maturity of Debt Securities, Available-for-sale									66,900	38,823	1,077
Sale of other long-term investments and property and equipment									6,983	14	3,041
Purchase of other long-term investments and property and equipment									(187)	0	0
Purchase of short-term investments									(2,456)	(7,850)	0
Maturity of short-term investments									9,090	0	500
Net cash used in investing activities									(69,345)	(85,134)	(85,005)
Net cash provided by financing activities									(2,165)	(58)	2,547
Net increase (decrease) in cash and cash equivalents									713	(572)	10,554
Cash and cash equivalents at beginning of year				45,492				46,064	45,492	46,064	35,510
Cash and cash equivalents at end of year	46,205				45,492				46,205	45,492	46,064
Parent Company [Member]
Net income (loss)									(1,370)	(11,062)	(38,127)
Realized investment gains (losses), net									3,013	196	0
Equity in income of consolidated subsidiaries									2,063	10,691	38,745
Accrued expenses and other liabilities									(6,530)	(2,036)	4,370
Amortization of premiums and discounts on investments									496	567	714
Depreciation									267	356	319
Accrued investment income									(5)	(46)	181
Allocated Share-Based Compensation Expense, Gross									2,099	0	0
Decrease (increase) in receivable from subsidiaries									1,101	382	(2,901)
Other, net									(248)	22	(102)
Net cash provided by operating activities									886	(930)	3,199
Purchase of fixed maturities, available-for-sale									(12,970)	(11,871)	0
Maturities of fixed maturities, available-for-sale									691	7,160	10,986
Proceeds from Sale and Maturity of Debt Securities, Available-for-sale									4,268	1,366	0
Sale of other long-term investments and property and equipment									14	103	3
Purchase of other long-term investments and property and equipment									(85)	(60)	(261)
Purchase of short-term investments									(2,456)	(7,850)	0
Maturity of short-term investments									9,090	0	500
Capital contribution to subsidiary									0	0	(5,250)
Net cash used in investing activities									(1,448)	(11,152)	5,978
Purchase of the Company's stock from affiliates									(377)	0	0
Net cash provided by financing activities									(377)	0	0
Net increase (decrease) in cash and cash equivalents									(939)	(12,082)	9,177
Cash and cash equivalents at beginning of year				$ 11,768				$ 23,850	11,768	23,850	14,673
Cash and cash equivalents at end of year	$ 10,829				$ 11,768				$ 10,829	$ 11,768	$ 23,850