REINSURANCE (Narrative) (Details) - USD ($) $ in Thousands			1 Months Ended	9 Months Ended
	Jul. 01, 2018	Jul. 01, 2017	Jul. 31, 2016	Sep. 30, 2019	Dec. 31, 2018	Jul. 01, 2016
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				$ 122,802	$ 63,599
Reinsurance recoverable, net				202,875	211,424
Maximum | Hurricane Irma
Liability for Catastrophe Claims [Line Items]
Reinsurance recoverable, net				164,000	183,500
Federated National 2018-2019 Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				148,800
Federated National 2018-2019 Reinsurance Programs | First Event Coverage
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				3,000
Federated National 2018-2019 Reinsurance Programs | Maximum
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				20,000
Multiple Year Protection Terminated | Maximum
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				89,000
Multiple Year Protection Plan Expired | Maximum
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				156,000
Federated Nationals Insurance Company Non Florida Reinsurance Program 2018-2019 | First Event Coverage
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				5,000
Reinsurance retention amount				15,000
Reinsurance amount retained on net basis with profit share agreement				7,500
Federated Nationals Insurance Company Non Florida Reinsurance Program 2018-2019 | Second Event Coverage
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				13,000
Reinsurance retention amount				2,000
Reinsurance amount retained on net basis with profit share agreement				1,000
Federated Nationals Insurance Company Non Florida Reinsurance Program 2018-2019 | Maximum
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				1,800
Additional coverage amount				23,000
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
2019-2020 Catastrophe Excess Loss Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				224,400
2019-2020 Catastrophe Excess Loss Reinsurance Programs | Maximum | First Event Coverage
Liability for Catastrophe Claims [Line Items]
Reinsurance retention amount				20,000
Reinsurance amount retained on net basis with profit share agreement				10,000
2019-2020 Catastrophe Excess Loss Reinsurance Programs | Maximum | Second Event Coverage
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				18,000
Reinsurance retention amount				2,000
Reinsurance amount retained on net basis with profit share agreement				1,000
FHCF | 2019-2020 Catastrophe Excess Loss Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				$ 45,600
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]
Trust agreement for loss exposure (Less than)				$ 100	$ 100
FNIC | 2019-2020 Catastrophe Excess Loss Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Excess retention, amount reinsured				27,000
Additional coverage amount				$ 20,000
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
Private and FHCF Reinsurance | 2019-2020 Catastrophe Excess Loss Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Liability for catastrophe claims				1,900,000
Maximum single event coverage				1,300,000
Maximum Second and Third Event Coverage				$ 15,000
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%
FNIC and MNIC | 2019-2020 Catastrophe Excess Loss Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				$ 179,300
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
Additional coverage amount				2,000
Maison | 2019-2020 Catastrophe Excess Loss Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Additional coverage amount				5,000
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
Florida | Federated National's Florida Exposure | 2019-2020 Catastrophe Excess Loss Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				178,800
Florida | FHCF | Federated National 2018-2019 Reinsurance Programs
Liability for Catastrophe Claims [Line Items]
Reinsurance payable				$ 46,100
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
Maximum single event coverage				$ 1,300,000