Schedule II Income Statement (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Condensed Income Statements, Captions [Line Items]
Net investment income	$ 9,212	$ 6,795	$ 3,871
Total revenue	357,569	280,230	208,080
Operating Expenses	15,316	11,746	9,222
General and Administrative Expense	29,852	20,007	14,552
Interest Expense	326	410	367
Total expenses	316,003	215,897	173,594
Operating Income (Loss)	41,566	64,333	34,486
Other Nonoperating Income (Expense)	294	77	1
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	(41,860)	(64,410)	(34,487)
Income Tax Expense (Benefit)	14,502	23,397	14,145
Net income	27,358	41,013	20,342
Change in net unrealized gain on investments	(3,070)	6,367	(4,233)
Reclassification adjustment for net realized investment gains	(827)	20	129
Income tax expense related to items of other comprehensive income	1,506	(2,468)	1,583
Total comprehensive income	24,967	44,932	17,821
Parent Company [Member]
Condensed Income Statements, Captions [Line Items]
Income (Loss) from Subsidiaries, Net of Tax	27,562	40,108	20,786
Realized Investment Gains (Losses)	951	0	0
Net investment income	239	0	0
Total revenue	28,752	40,108	20,786
Operating Expenses	138	86	42
General and Administrative Expense	1,252	130	120
Interest Expense	0	0	1
Total expenses	1,390	216	163
Operating Income (Loss)	27,362	39,892	20,623
Other Nonoperating Income (Expense)	245	61	0
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	(27,607)	(39,953)	(20,623)
Income Tax Expense (Benefit)	249	(1,060)	281
Net income	27,358	41,013	20,342
Change in net unrealized gain on investments	25	0	0
Reclassification adjustment for net realized investment gains	(951)	0	0
Income tax expense related to items of other comprehensive income	(357)	0	0
Total comprehensive income	$ 26,075	$ 41,013	$ 20,342