Unpaid Losses and Loss Adjustment Expense Reserves (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Liability for Claims and Claims Adjustment Expense
Gross balance at beginning of the period	$ 2,886,414	$ 2,957,159
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments	(1,111,808)	(1,285,142)
Net balance at beginning of the period	1,774,606	1,672,017
Current year	2,077,354	2,131,328
Prior year	(10,746)	(18,650)
Total incurred	2,066,608	2,112,678
Current year	(1,154,017)	(874,707)
Prior year	(876,200)	(1,157,104)
Total paid	(2,030,217)	(2,031,811)
Unpaid Loss and LAE reserves, assumed	43,707	92,573	$ 50,884
Unrealized foreign exchange gain		(8,204)
Net balance at end of the period	1,810,997	1,837,253
Plus: Reinsurance recoverable at end of the period	1,086,468	1,202,002
Gross balance at end of the period	2,897,465	3,039,255
Reciprocal Exchanges
Liability for Claims and Claims Adjustment Expense
Gross balance at beginning of the period	205,786
Gross balance at end of the period	208,496
NGHC, excluding Reciprocal Exchanges
Liability for Claims and Claims Adjustment Expense
Gross balance at beginning of the period	2,680,628	2,778,689
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments	(1,027,634)	(1,207,163)
Net balance at beginning of the period	1,652,994	1,571,526
Current year	1,959,868	2,006,078
Prior year	(8,076)	(17,984)
Total incurred	1,951,792	1,988,094
Current year	(1,085,748)	(798,003)
Prior year	(831,220)	(1,118,099)
Total paid	(1,916,968)	(1,916,102)
Unpaid Loss and LAE reserves, assumed		92,573
Unrealized foreign exchange gain		(8,204)
Net balance at end of the period	1,687,818	1,727,887
Plus: Reinsurance recoverable at end of the period	1,001,151	1,117,912
Gross balance at end of the period	2,688,969	2,845,799
Property and Casualty
Liability for Claims and Claims Adjustment Expense
Prior year	11,319	19,125
Property and Casualty \| Reciprocal Exchanges
Liability for Claims and Claims Adjustment Expense
Gross balance at beginning of the period	205,786	178,470
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments	(84,174)	(77,979)
Net balance at beginning of the period	121,612	100,491
Current year	117,486	125,250
Prior year	(2,670)	(666)
Total incurred	114,816	124,584
Current year	(68,269)	(76,704)
Prior year	(44,980)	(39,005)
Total paid	(113,249)	(115,709)
Unpaid Loss and LAE reserves, assumed		0
Unrealized foreign exchange gain		0
Net balance at end of the period	123,179	109,366
Plus: Reinsurance recoverable at end of the period	85,317	84,090
Gross balance at end of the period	208,496	193,456
Property and Casualty \| NGHC, excluding Reciprocal Exchanges
Liability for Claims and Claims Adjustment Expense
Gross balance at beginning of the period	2,528,754	2,507,409
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments	(1,016,368)	(1,182,588)
Net balance at beginning of the period	1,512,386	1,324,821
Current year	1,711,599	1,726,618
Prior year	13,989	19,791
Total incurred	1,725,588	1,746,409
Current year	(959,452)	(661,742)
Prior year	(749,463)	(1,013,023)
Total paid	(1,708,915)	(1,674,765)
Unpaid Loss and LAE reserves, assumed		92,573
Unrealized foreign exchange gain		0
Net balance at end of the period	1,529,059	1,489,038
Plus: Reinsurance recoverable at end of the period	982,491	1,079,560
Gross balance at end of the period	2,511,550	2,568,598
Accident and Health \| NGHC, excluding Reciprocal Exchanges
Liability for Claims and Claims Adjustment Expense
Gross balance at beginning of the period	151,874	271,280
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments	(11,266)	(24,575)
Net balance at beginning of the period	140,608	246,705
Current year	248,269	279,460
Prior year	(22,065)	(37,775)
Total incurred	226,204	241,685
Current year	(126,296)	(136,261)
Prior year	(81,757)	(105,076)
Total paid	(208,053)	(241,337)
Unpaid Loss and LAE reserves, assumed		0
Unrealized foreign exchange gain		(8,204)
Net balance at end of the period	158,759	238,849
Plus: Reinsurance recoverable at end of the period	18,660	38,352
Gross balance at end of the period	$ 177,419	$ 277,201

National General Holdings Corp. 10-Q