Financial Schedules Schedule II - Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Condensed Financial Statements, Captions [Line Items]
Fixed maturities available-for-sale, at fair value	$ 1,231,039	$ 974,609
Fixed maturities held-to-maturity, at amortized cost	0	233,961
Equity securities		16,164
Real estate and other long-term investments	5,718	7,416
Short-term investments	7,865	0
Cash and cash equivalents	45,492	46,064	$ 35,510	$ 82,827
Accrued investment income	18,467	19,062
Property and equipment, net	5,943	6,624
Other assets	1,628	912
Total assets	1,615,561	1,644,453
Total liabilities	1,427,828	1,420,940
Accumulated deficit	(69,599)	(54,375)
Unrealized investment gains on securities held by parent and subsidaries, net of tax	5,366	26,332
Treasury stock	(11,011)	(11,011)
Total stockholders' equity	187,733	223,513	249,100	246,926
Total liabilities and stockholders' equity	1,615,561	1,644,453
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Investment in subsidiary	123,245	158,453
Fixed maturities available-for-sale, at fair value	41,705	39,521
Fixed maturities held-to-maturity, at amortized cost	0	350
Equity securities	1,035	1,133
Real estate and other long-term investments	5,718	5,832
Short-term investments	7,865	0
Cash and cash equivalents	11,768	23,850	$ 14,673	$ 15,756
Accrued investment income	530	576
Accounts receivable from subsidiaries	5,871	5,489
Property and equipment, net	425	789
Other assets	305	290
Total assets	198,467	236,283
Accrued expenses and other liabilities	10,734	12,770
Total liabilities	10,734	12,770
Accumulated deficit	(69,599)	(54,375)
Unrealized investment gains on securities held by parent and subsidaries, net of tax	5,366	26,332
Treasury stock	(11,011)	(11,011)
Total stockholders' equity	187,733	223,513
Total liabilities and stockholders' equity	198,467	236,283
Common Class A [Member]
Condensed Financial Statements, Captions [Line Items]
Common Stock	259,793	259,383
Common Class A [Member] | Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Common Stock	259,793	259,383
Common Class B [Member]
Condensed Financial Statements, Captions [Line Items]
Common Stock	3,184	3,184
Common Class B [Member] | Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Common Stock	$ 3,184	$ 3,184