REINSURANCE (Narrative) (Details) - USD ($)			1 Months Ended	3 Months Ended
	Jul. 01, 2018	Jul. 01, 2017	Jul. 31, 2016	Mar. 31, 2020	Dec. 31, 2019	Jul. 01, 2016
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				$ 63,051,000	$ 102,467,000
Reinsurance Recoverables, Including Reinsurance Premium Paid				261,150,000	209,615,000
Maximum | Hurricane Irma
Liability for Catastrophe Claims [Line Items]
Reinsurance Recoverables, Including Reinsurance Premium Paid				210,500,000	163,700,000
Federated National 2018-2019 Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				148,800,000
Federated National 2018-2019 Reinsurance Programs | First Event Coverage
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				3,000,000.0
Federated National 2018-2019 Reinsurance Programs | Maximum
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				20,000,000.0
Multiple Year Protection Terminated | Maximum
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				89,000,000.0
Multiple Year Protection Plan Expired | Maximum
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				156,000,000.0
Federated Nationals Insurance Company Non Florida Reinsurance Program 2018-2019 | First Event Coverage
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				5,000,000.0
Reinsurance retention amount				15,000,000.0
Reinsurance amount retained on net basis with profit share agreement				7,500,000
Federated Nationals Insurance Company Non Florida Reinsurance Program 2018-2019 | Second Event Coverage
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				13,000,000.0
Reinsurance retention amount				2,000,000.0
Reinsurance amount retained on net basis with profit share agreement				1,000,000.0
Federated Nationals Insurance Company Non Florida Reinsurance Program 2018-2019 | Maximum
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				1,800,000
Additional coverage amount				23,000,000.0
Federated Nationals Insurance Company Non Florida Reinsurance Program 2018-2019 | Maximum | Second Event Coverage
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				18,000,000.0
2019-2020 Catastrophe Excess Loss Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				224,300,000
2019-2020 Catastrophe Excess Loss Reinsurance Programs | Maximum | First Event Coverage
Liability for Catastrophe Claims [Line Items]
Reinsurance retention amount				20,000,000
Reinsurance amount retained on net basis with profit share agreement				10,000,000
2019-2020 Catastrophe Excess Loss Reinsurance Programs | Maximum | Second Event Coverage
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				18,000,000
Reinsurance retention amount				2,000,000
Reinsurance amount retained on net basis with profit share agreement				1,000,000
FHCF | 2019-2020 Catastrophe Excess Loss Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				$ 45,900,000
FHCF | 2019-2020 Catastrophe Excess Loss Reinsurance Programs | Maximum
Liability for Catastrophe Claims [Line Items]
Percentage of property quota share reinsurance treaty				90.00%
FNIC
Liability for Catastrophe Claims [Line Items]
Maximum single event coverage				$ 20,000,000
Trust agreement for loss exposure (Less than)				100,000	$ 100,000
FNIC | 2019-2020 Catastrophe Excess Loss Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Excess retention, amount reinsured				27,000,000
Additional coverage amount				$ 20,000,000
FNIC | Quota Share One | Property Insurance Product Line
Liability for Catastrophe Claims [Line Items]
Percentage of property quota share expired on cut off basis		10.00%
FNIC | Quota Share One | Florida Homeowners Book of Business
Liability for Catastrophe Claims [Line Items]
Percentage of property quota share reinsurance treaty	2.00%			30.00%
FNIC | Quota Share Two | Florida Homeowners Book of Business
Liability for Catastrophe Claims [Line Items]
Percentage of property quota share reinsurance treaty				10.00%
Private and FHCF Reinsurance | Federated Nationals Insurance Company Non Florida Reinsurance Program 2018-2019
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				$ 2,000,000.0
Private and FHCF Reinsurance | 2019-2020 Catastrophe Excess Loss Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Liability for catastrophe claims				1,900,000,000
Maximum single event coverage				1,300,000,000
Maximum Second and Third Event Coverage				$ 15,000,000
Private and FHCF Reinsurance | 2019-2020 Catastrophe Excess Loss Reinsurance Programs | Maximum
Liability for Catastrophe Claims [Line Items]
Percentage of property quota share reinsurance treaty				75.00%
Monarch National S Florida
Liability for Catastrophe Claims [Line Items]
Maximum single event coverage				$ 3,000,000
Monarch National S Florida | 2019-2020 Catastrophe Excess Loss Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Maximum Second and Third Event Coverage				10,000,000
Additional coverage amount				2,000,000
Maison | 2019-2020 Catastrophe Excess Loss Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				5,000,000
Florida | Quota Share Treaties | Property Insurance Product Line
Liability for Catastrophe Claims [Line Items]
Percentage of property quota share reinsurance treaty		10.00%	30.00%
Florida | Quota Share One | Property Insurance Product Line
Liability for Catastrophe Claims [Line Items]
Percentage of property quota share expired on cut off basis						30.00%
Percentage of unearned premiums and losses retained						30.00%
Florida | Federated National's Florida Exposure | Federated National 2018-2019 Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				102,700,000
Florida | Federated National's Florida Exposure | 2019-2020 Catastrophe Excess Loss Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				178,900,000
Florida | FHCF | Federated National 2018-2019 Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				$ 46,100,000
Percentage of property quota share reinsurance treaty				75.00%
Florida | FNIC | Quota Share Treaties | Property Insurance Product Line
Liability for Catastrophe Claims [Line Items]
Percentage of property quota share reinsurance treaty				40.00%
Florida | Private and FHCF Reinsurance | Federated National 2018-2019 Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Liability for catastrophe claims				$ 1,800,000,000
Maximum single event coverage				$ 1,300,000,000