Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Investments:
Debt securities, available-for-sale, at fair value (allowance for expected credit losses $1,085 - 2020) (Exchanges - $300,124 and $324,249; allowance for expected credit losses $150 - 2020)	$ 4,549,133	$ 4,476,358
Short-term investments (Exchanges - $30,952 and $5,245)	510,800	67,353
Other investments (related parties - $231,593 and $238,841)	282,866	311,287
Total investments	5,342,799	4,854,998
Cash and cash equivalents (Exchanges - $416 and $959)	188,282	135,942
Restricted cash and cash equivalents (Exchanges - $325 and $24)	63,061	28,521
Accrued investment income (related parties - $1,210 and $2,391) (Exchanges - $1,397 and $2,001)	26,135	30,927
Premiums and other receivables (net of allowance for expected credit losses $37,163 - 2020; net of bad debt allowance $24,067 - 2019) (Exchanges - $70,076 and $55,859; net of allowance for expected credit losses $844 - 2020; net of bad debt allowance $541 - 2019)	1,598,316	1,428,948
Deferred acquisition costs (Exchanges - $18,507 and $23,307)	284,963	263,523
Reinsurance recoverable (net of allowance for expected credit losses $810 - 2020) (Exchanges - $125,095 and $119,125; net of allowance for expected credit losses $173 - 2020)	1,286,852	1,394,308
Prepaid reinsurance premiums (Exchanges - $105,597 and $105,894)	458,960	575,747
Property and equipment, net (Exchanges - $0 and $241)	382,696	403,827
Intangible assets, net (Exchanges - $3,090 and $3,225)	345,974	365,823
Goodwill	179,328	179,328
Prepaid and other assets (Exchanges - $4,312 and $3,521)	66,890	94,642
Total assets	10,224,256	9,756,534
Liabilities:
Unpaid loss and loss adjustment expense reserves (Exchanges - $208,496 and $205,786)	2,897,465	2,886,414
Unearned premiums and other revenue (Exchanges - $219,582 and $252,553)	2,337,469	2,312,241
Reinsurance payable (Exchanges - $51,711 and $35,689)	402,428	562,844
Accounts payable and accrued expenses (Exchanges - $7,604 and $8,497)	420,144	315,366
Debt	679,436	686,006
Other liabilities (Exchanges - $44,004 and $30,803)	401,749	376,169
Total liabilities	7,138,691	7,139,040
Stockholders’ equity:
Preferred stock, $0.01 par value - authorized 10,000,000 shares, issued and outstanding 2,565,120 shares - 2020 and 2019; Aggregate liquidation preference $450,000 - 2020 and 2019	450,000	450,000
Common stock, $0.01 par value - authorized 150,000,000 shares, issued 113,934,259 and 113,368,811 shares - 2020 and 2019, outstanding 113,475,176 and 113,368,811 shares - 2020 and 2019	1,139	1,134
Treasury stock, at cost - 459,083 shares - 2020	(8,482)	0
Additional paid-in capital	1,073,288	1,065,634
Accumulated other comprehensive income:
Unrealized foreign currency translation adjustment, net of tax	(637)	(202)
Unrealized gain on investments, net of tax	195,590	74,750
Total accumulated other comprehensive income	194,953	74,548
Retained earnings	1,392,872	1,058,138
Total National General Holdings Corp. stockholders’ equity	3,103,770	2,649,454
Noncontrolling interest	(18,205)	(31,960)
Total stockholders’ equity	3,085,565	2,617,494
Total liabilities and stockholders’ equity	$ 10,224,256	$ 9,756,534
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common Stock, Shares Authorized	150,000,000	150,000,000