CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flow from operating activities:
Net income (loss)	$ (69,750)	$ (19,346)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Net realized and unrealized (gains) losses	(9,676)	(7,558)
Amortization of investment premium or discount, net	2,163	1,092
Depreciation and amortization	(40)	1,105
Share-based compensation	745	808
Changes in operating assets and liabilities:
Prepaid reinsurance premiums	87,239	64,095
Premiums receivable, net	3,343	(8,210)
Reinsurance recoverable, net	(76,513)	(19,126)
Deferred acquisition costs, net	580	(6,886)
Current and deferred income taxes, net	5,285	(10,184)
Deferred revenue	(335)	128
Loss and loss adjustment expense reserves	43,047	63,361
Unearned premiums	13,011	22,869
Reinsurance payable and funds withheld liabilities	(84,114)	(34,591)
Other	2,350	9,583
Net cash provided by (used in) operating activities	(82,665)	57,140
Cash flow from investing activities:
Proceeds from sales of equity securities	0	5,706
Proceeds from sales of debt securities	132,003	308,760
Purchases of equity securities	(2,745)	(4,451)
Purchases of debt securities	(121,361)	(349,807)
Maturities and redemptions of debt securities	47,560	28,339
Purchases of property and equipment	(342)	(2,161)
Net cash provided by (used in) investing activities	55,115	(13,614)
Proceeds from issuance of long-term debt, net of issuance costs	20,038	0
Cash flow from financing activities:
Purchases of FedNat Holding Company common stock	0	(10,418)
Issuance of common stock	15,752	0
Issuance of common stock for share-based awards	1	1
Dividends paid	0	(2,560)
Net cash provided by (used in) financing activities	35,791	(12,977)
Net increase (decrease) in cash and cash equivalents	8,241	30,549
Cash and cash equivalents at beginning-of-period	102,367	133,361
Cash and cash equivalents at end-of-period	110,608	163,910
Supplemental disclosure of cash flow information:
Cash paid (received) during the period for interest	3,750	3,750
Cash paid (received) during the period for income taxes	(3,603)	(923)
Significant non-cash investing and financing transactions:
Right-of-use asset	(7,068)	(7,772)
Lease liability	$ 7,068	$ 7,772