Loss Reserves (Tables)

3 Months Ended

Mar. 31, 2017

Insurance [Abstract]

Rollforward of Liability for Unpaid Claims and Claim Adjustment Expenses, Net of Related Amounts Recoverable from Reinsurers

The following table provides a rollforward of the liability for unpaid claims and claim adjustment expenses, net of related amounts recoverable from reinsurers, for three months ended March 31, 2017 and 2016:

	Three Months Ended March 31,
	2017			2016
	(in thousands)
Balance, beginning of period	$	742,776		$	718,033
Less amounts recoverable from reinsurers      on unpaid loss and loss adjustment expenses		78,256			64,858
Net balance, beginning of period		664,520			653,175
Add incurred related to:
Current accident year		62,729			65,154
Prior accident years		(6,513	)		(18,438	)
Total incurred		56,216			46,716
Less paid related to:
Current accident year		3,206			2,803
Prior accident years		45,498			41,766
Total paid		48,704			44,569
Net balance, end of period		672,032			655,322
Add amounts recoverable from reinsurers      on unpaid loss and loss adjustment expenses		77,464			66,856
Balance, end of period	$	749,496		$	722,178