CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flow from operating activities:
Net income (loss)	$ (103,100)	$ (78,158)	$ 1,011
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Net realized and unrealized (gains) losses	(11,017)	(18,032)	(7,084)
Impairment of intangibles	1,280	11,699	0
Loss (gain) on early extinguishment of debt	0	0	3,575
Amortization of investment premium or discount, net	3,645	3,740	916
Depreciation and amortization	1,916	1,904	1,477
Share-based compensation	1,164	1,580	2,176
Changes in operating assets and liabilities:
Prepaid reinsurance premiums	35,735	(132,613)	(11,803)
Premiums receivable, net	9,629	(9,381)	(8,654)
Reinsurance recoverable, net	(200,177)	(203,443)	9,412
Deferred acquisition costs and value of business acquired, net	6,576	30,731	(7,979)
Current and deferred income taxes, net	5,016	(32,835)	(3,723)
Deferred revenue	(1,947)	331	756
Loss and loss adjustment expense reserves	198,427	216,005	11,472
Unearned premiums	(24,042)	5,919	28,365
Reinsurance payable and funds withheld liabilities	(100,079)	100,360	14,797
Other	(14,197)	10,285	602
Net cash provided by (used in) operating activities	(191,171)	(91,908)	35,316
Cash flow from investing activities:
Proceeds from sales of equity securities	0	22,050	9,203
Proceeds from sales of debt securities	240,141	556,463	164,196
Purchases of equity securities	(2,745)	(4,727)	(6,565)
Purchases of debt securities	(173,581)	(580,876)	(228,132)
Maturities and redemptions of debt securities	74,951	86,814	43,925
Payment for acquisition, net of cash acquired	0	0	10,402
Purchases of property and equipment	(1,836)	(3,357)	(2,040)
Net cash provided by (used in) investing activities	136,930	76,367	(9,011)
Cash flow from financing activities:
Proceeds from issuance of long-term debt, net of issuance costs	19,818	0	98,390
Payment of long-term debt and prepayment penalties	0	0	(48,000)
Issuance of common stock	15,571	0	0
Purchases of FedNat Holding Company common stock	0	(10,418)	(3,449)
Issuance of common stock for share-based awards	11	42	1
Dividends paid	0	(5,077)	(4,309)
Net cash provided by (used in) financing activities	35,400	(15,453)	42,633
Net increase (decrease) in cash and cash equivalents	(18,841)	(30,994)	68,938
Cash and cash equivalents at beginning-of-period	102,367	133,361	64,423
Cash and cash equivalents at end-of-period	83,526	102,367	133,361
Supplemental disclosure of cash flow information:
Cash paid (received) during the period for income taxes	8,138	7,500	4,860
Cash paid (received) during the period for income taxes	(4,211)	(635)	3,504
Significant non-cash investing and financing transactions:
Right-of-use asset	(6,693)	(7,430)	(8,096)
Lease liability	$ 6,693	$ 7,430	$ 8,096