Other Operating Expenses and Other Expenses (Tables)

9 Months Ended

Sep. 30, 2017

Other Operating Expenses And Other Expenses [Abstract]

Schedule of other operating expenses

Other operating expenses consist of the following:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(in thousands)
Amortization of policy acquisition costs	$	35,311	$	24,761	$	94,563	$	70,552
Other underwriting expenses of the operating segments	12,442		13,948		42,563		38,583
Other operating expenses of the Corporate and Other segment	6,507		4,870		19,063		15,597
Total	$	54,260	$	43,579	$	156,189	$	124,732