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RESERVE FOR LOSSES AND LOSS EXPENSES (Tables)
3 Months Ended
Mar. 31, 2023
Insurance [Abstract]  
RECONCILIATION OF BEGINNING AND ENDING GROSS RESERVE FOR LOSSES AND LOSS EXPENSES AND NET RESERVE FOR UNPAID LOSSES AND LOSS EXPENSES
The following table presents a reconciliation of the Company's beginning and ending gross reserve for losses and loss expenses and net reserve for unpaid losses and loss expenses:
Three months ended March 31,
20232022
Gross reserve for losses and loss expenses, beginning of period$15,168,863 $14,653,094 
Less reinsurance recoverable on unpaid losses and loss expenses, beginning of period(5,831,172)(5,017,611)
Net reserve for unpaid losses and loss expenses, beginning of period9,337,691 9,635,483 
Net incurred losses and loss expenses related to:
Current year724,680 741,655 
Prior years(4,038)(8,956)
 720,642 732,699 
Net paid losses and loss expenses related to:
Current year(38,662)(32,477)
Prior years(574,538)(750,969)
 (613,200)(783,446)
Foreign exchange and other46,094 (71,661)
Net reserve for unpaid losses and loss expenses, end of period9,491,227 9,513,075 
Reinsurance recoverable on unpaid losses and loss expenses, end of period5,823,417 4,957,080 
Gross reserve for losses and loss expenses, end of period$15,314,644 $14,470,155 
SCHEDULE OF THE LINE OF BUSINESS CATEGORIES AND THE EXPECTED CLAIM TAILS
The following table maps the Company's lines of business to expected claim tails:
Insurance segment
Expected claims tail
ShortMediumLong
Lines of business
PropertyX
Accident and healthX
Marine and aviationX
CyberX
Professional linesX
Credit and political riskX
LiabilityX
The following table maps the Company's lines of business to expected claim tails:
Reinsurance segment
Expected claims tail
ShortMediumLong
Lines of business
Accident and healthX
AgricultureX
Marine and aviationX
Professional linesX
Credit and suretyX
MotorX
LiabilityX
Run-off lines
CatastropheX
PropertyX
EngineeringX
SCHEDULE OF PRIOR YEAR DEVELOPMENT BY SEGMENT AND LINE OF BUSINESS The following table presents net prior year reserve development by segment:
  Net Favorable Prior Year Reserve Development
InsuranceReinsuranceTotal
Three months ended March 31, 2023$1,041 $2,997 $4,038 
Three months ended March 31, 2022$7,062 $1,894 $8,956 
Prior year reserve development by line of business was as follows:
  Three months ended March 31,
  20232022
Favorable (Adverse)Favorable (Adverse)
Property$5,900 $8,060 
Accident and health(304)3,632 
Marine and aviation13,221 14,647 
Cyber8,452 (687)
Professional lines(12,594)(5,936)
Credit and political risk4,519 895 
Liability(18,153)(13,549)
Total$1,041 $7,062 
Prior year reserve development by line of business was as follows:
  Three months ended March 31,
  20232022
Favorable
(Adverse)
Favorable
(Adverse)
Accident and health$6,988 $(499)
Agriculture11,891 1,231 
Marine and aviation(250)497 
Professional lines(3,225)(24,522)
Credit and surety(546)7,465 
Motor(17,122)(1,730)
Liability(32,853)(4,105)
Run-off lines
Catastrophe31,058 (246)
Property6,883 22,539 
Engineering173 1,264 
Total run-off lines38,114 23,557 
Total$2,997 $1,894