CONSOLIDATED STATEMENTS OF INCOME (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
REVENUES
Premiums earned, affiliated	$ 168,101	$ 156,714	$ 334,848	$ 310,960
Other income, affiliated	1,548	2,582	3,004	4,163
LOSSES AND EXPENSES
Losses and settlement expenses, affiliated	121,764	119,119	224,455	229,689
Amortization of deferred policy acquisition costs, affiliated	32,681	29,122	62,573	56,039
Other underwriting expenses, affiliated	23,681	22,458	46,396	45,378
Other expense, affiliated	$ 490	$ 486	$ 1,135	$ 984