Other Operating Expenses (Tables)

12 Months Ended

Dec. 31, 2017

Other Operating Expenses [Abstract]

Details of other operating expenses

Details of other operating expenses for the years ended December 31:
	2017			2016			2015
Amortization of gross deferred policy acquisition costs	$	70,574		$	51,597		$	50,270
Other underwriting expenses		37,230			41,692			42,638
Reinsurance ceded credits		(23,187	)		(33,512	)		(28,956	)
Total underwriting expenses		84,617			59,777			63,952
Operating expenses of non-insurance companies		28,977			29,685			26,621
Total other operating expenses	$	113,594		$	89,462		$	90,573