Loss Reserves (Tables)

6 Months Ended

Jun. 30, 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 six months ended June 30, 2017 and 2016:

	Six Months Ended June 30,
	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		119,828			126,764
Prior accident years		(17,184	)		(30,877	)
Total incurred		102,644			95,887
Less paid related to:
Current accident year		15,298			12,479
Prior accident years		80,571			79,437
Total paid		95,869			91,916
Net balance, end of period		671,295			657,146
Add amounts recoverable from reinsurers      on unpaid loss and loss adjustment expenses		78,464			68,403
Balance, end of period	$	749,759		$	725,549