CONSOLIDATED STATEMENTS OF INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
REVENUES
Premiums earned (affiliated $566,103, $534,105 and $509,704)	$ 570,266	$ 540,722	$ 515,506
Net investment income	45,582	46,465	43,022
Net realized investment gains, excluding impairment losses on securities available-for-sale	7,634	5,227	9,060
Total other-than-temporary impairment losses on securities available-for-sale	(1,481)	(878)	(63)
Portion of other-than-temporary impairment losses on fixed maturity securities available-for-sale reclassified from other comprehensive income (before taxes)	0	0	0
Net impairment losses on securities available-for-sale	(1,481)	(878)	(63)
Net realized investment gains	6,153	4,349	8,997
Other income (affiliated $1,214, $1,784 and $834)	1,725	2,931	460
Total revenues	623,726	594,467	567,985
LOSSES AND EXPENSES
Losses and settlement expenses (affiliated $368,722, $378,263 and $326,130)	370,736	385,474	333,287
Dividends to policyholders (all affiliated)	7,705	9,504	10,864
Amortization of deferred policy acquisition costs (affiliated $101,090, $97,551 and $93,116)	102,184	99,042	94,728
Other underwriting expenses (affiliated $68,305, $57,148 and $65,575)	68,418	56,826	65,754
Interest expense (all affiliated)	337	337	384
Other expenses (affiliated $1,822, $1,570 and $1,356)	2,690	2,377	2,115
Total losses and expenses	552,070	553,560	507,132
Income before income tax expense	71,656	40,907	60,853
INCOME TAX EXPENSE
Current	18,611	7,280	16,927
Deferred	2,883	3,635	407
Total income tax expense	21,494	10,915	17,334
Net income	$ 50,162	$ 29,992	$ 43,519
Net income per common share - basic and diluted	$ 2.43	$ 1.48	$ 2.22
Average number of common shares outstanding - basic and diluted (in shares)	20,621,919	20,205,935	19,629,918