CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flow from operating activities:
Net income (loss)	$ (19,381)	$ 2,133
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Net realized and unrealized investment (gains) losses	(92)	2,825
Amortization of investment premium or discount, net	1,256	400
Depreciation and amortization	460	465
Share-based compensation	407	453
Changes in operating assets and liabilities:
Prepaid reinsurance premiums	61,204	56,194
Premiums receivable, net	10,041	3,085
Reinsurance recoverable, net	(51,038)	(51,567)
Deferred acquisition costs, net	1,429	(1,579)
Current and deferred income taxes, net	(1,291)	1,510
Deferred revenue	(278)	(86)
Loss and loss adjustment expense reserves	(53,654)	51,313
Unearned premiums	(4,794)	(2,612)
Reinsurance payable and funds withheld liabilities	(50,561)	(39,416)
Other	(3,853)	(1,745)
Net cash provided by (used in) operating activities	(110,145)	21,373
Cash flow from investing activities:
Proceeds from sales of equity securities	0	2,056
Proceeds from sales of debt securities	87,007	103,118
Purchases of equity securities	0	(3,428)
Purchases of debt securities	(56,148)	(134,971)
Maturities and redemptions of debt securities	31,383	10,850
Purchases of property and equipment	(174)	(1,224)
Net cash provided by (used in) investing activities	62,068	(23,599)
Cash flow from financing activities:
Purchases of FedNat Holding Company common stock	0	(6,643)
Issuance of common stock	15,403	0
Issuance of common stock for share-based awards	1	0
Dividends paid	0	(1,302)
Net cash provided by (used in) financing activities	15,404	(7,945)
Net increase (decrease) in cash and cash equivalents	(32,673)	(10,171)
Cash and cash equivalents at beginning-of-period	102,367	133,361
Cash and cash equivalents at end-of-period	69,694	123,190
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	(3,618)	(811)
Significant non-cash investing and financing transactions:
Right-of-use asset	(7,250)	(7,938)
Lease liability	$ 7,250	$ 7,938