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Reserves for Unpaid Losses and Loss Adjustment Expenses
3 Months Ended
Mar. 31, 2021
Liability for Unpaid Claims and Claims Adjustment Expense, Activity in Liability [Abstract]  
Reserves for Unpaid Losses and Loss Adjustment Expenses Reserves for unpaid losses and loss adjustment expenses
The following table presents a reconciliation of consolidated beginning and ending reserves for unpaid losses and loss adjustment expenses:
March 31,
20212020
(in thousands)
Gross reserves for unpaid losses and loss adjustment expenses, beginning of year
$636,013 $460,058 
Less: reinsurance recoverable on unpaid losses
83,730 69,792 
Adoption of accounting standard for credit losses— (282)
Net reserves for unpaid losses and loss adjustment expenses, beginning of year
552,283 390,548 
Incurred losses and loss adjustment expenses:
Current year77,333 56,742 
Prior years(7,073)(3,009)
Total net losses and loss adjustment expenses incurred70,260 53,733 
Payments:
Current year1,018 777 
Prior years27,571 21,270 
Total payments28,589 22,047 
Net reserves for unpaid losses and loss adjustment expenses, end of period
593,954 422,234 
Reinsurance recoverable on unpaid losses94,819 69,099 
Gross reserves for unpaid losses and loss adjustment expenses, end of period
$688,773 $491,333 

During the three months ended March 31, 2021, the reserves for unpaid losses and loss adjustment expenses held at December 31, 2020 developed favorably by $7.1 million. The favorable development was primarily attributable to the 2020 accident year of $9.5 million, which resulted from reported losses emerging at a lower level than expected across most statutory lines of business.
During the three months ended March 31, 2020, the reserves for unpaid losses and loss adjustment expenses held at December 31, 2019 developed favorably by $3.0 million across substantially all accident years, which resulted from reported losses emerging at a lower level than expected across most statutory lines of business.