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Losses And Loss Adjustment Expense Reserves
3 Months Ended
Mar. 31, 2018
Insurance Loss Reserves [Abstract]  
Losses And Loss Adjustment Expense Reserves
Loss and Loss Adjustment Expense Reserves

The following table presents the activity in loss and loss adjustment expense reserves:
 
Three Months Ended March 31,
 
2018
 
2017
 
 
 
 
 
(Amounts in thousands)
Gross reserves at January 1 
$
1,510,613

 
$
1,290,248

Less reinsurance recoverables on unpaid losses
(64,001
)
 
(13,161
)
Net reserves at January 1
1,446,612

 
1,277,087

Incurred losses and loss adjustment expenses related to:
 
 
 
Current year
589,582

 
602,541

Prior years
42,652

 
4,124

Total incurred losses and loss adjustment expenses
632,234

 
606,665

Loss and loss adjustment expense payments related to:
 
 
 
Current year
254,841

 
275,890

Prior years
345,826

 
303,333

Total payments
600,667

 
579,223

Net reserves at March 31
1,478,179

 
1,304,529

Reinsurance recoverables on unpaid losses
52,794

 
12,404

Gross reserves at March 31
$
1,530,973

 
$
1,316,933



The increase in the provision for insured events of prior years in 2018 of approximately $42.7 million was primarily attributable to higher than estimated California automobile losses resulting from severity in excess of expectations for bodily injury claims.

The increase in the provision for insured events of prior years in 2017 of approximately $4.1 million was primarily attributable to higher than estimated California property losses.

For the three months ended March 31, 2018 and 2017, the Company recorded catastrophe losses of approximately $9 million and $30 million, respectively. The 2018 catastrophe losses were primarily due to winter storms and mudslides in California and winter storms in the states along the Atlantic Seaboard. The 2017 catastrophe losses were primarily due to severe rainstorms in California.