LOSS AND LOSS ADJUSTMENT EXPENSE RESERVES (Details)
$ in Thousands

3 Months Ended

12 Months Ended

Dec. 31, 2017

USD ($)

Sep. 30, 2017

USD ($)

Jun. 30, 2017

USD ($)

Mar. 31, 2017

USD ($)

Dec. 31, 2016

USD ($)

Sep. 30, 2016

USD ($)

Jun. 30, 2016

USD ($)

Mar. 31, 2016

USD ($)

Dec. 31, 2017

USD ($)

Dec. 31, 2016

USD ($)

Dec. 31, 2015

USD ($)

Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]

Premiums Earned, Net

$ 141,085

$ 172,693

$ 160,324

$ 151,902

$ 136,632

$ 112,792

$ 125,582

$ 138,112

$ 626,004

$ 513,118

$ 408,387

Profit commission expense

$ 2,000

6,500

7,500

Number of Operating Segments

1

Liability for Unpaid Claims and Claims Adjustment Expense, Activity in Liability [Abstract]

Schedule of Liability for Unpaid Claims and Claims Adjustment Expense

At December 31, 2017 and 2016, loss and loss adjustment expense reserves were comprised of the following:

	2017		2016
	($ in thousands)
Case reserves	$	178,088	$	98,815
IBNR	286,292		207,826
Total	$	464,380	$	306,641

A summary of changes in outstanding loss and loss adjustment expense reserves is presented in the table below. 

Consolidated	2017			2016			2015
	($ in thousands)
Gross balance at January 1	$	306,641		$	305,997		$	264,243
Less: Losses recoverable	(2,704		)	(3,368		)	(11,523		)
Net balance at January 1	303,937			302,629			252,720
Incurred losses related to:
Current year	466,247			345,303			266,796
Prior years	36,157			35,512			50,301
Total incurred	502,404			380,815			317,097
Paid losses related to:
Current year	(220,298		)	(156,181		)	(132,017		)
Prior years	(154,183		)	(216,489		)	(132,846		)
Total paid	(374,481		)	(372,670		)	(264,863		)
Foreign currency revaluation	3,061			(6,837		)	(2,325		)
Net balance at December 31	434,921			303,937			302,629
Add: Losses recoverable	29,459			2,704			3,368
Gross balance at December 31	$	464,380		$	306,641		$	305,997

The rollforward of outstanding loss and loss adjustment expense reserves for health claims is as follows:

Health	2017			2016			2015
	($ in thousands)
Gross balance at January 1	$	18,993		$	21,533		$	14,137
Less: Losses recoverable	—			—			—
Net balance at January 1	18,993			21,533			14,137
Incurred losses related to:
Current year	44,539			38,726			34,136
Prior years	3,739			(1,477		)	(2,680		)
Total incurred	48,278			37,249			31,456
Paid losses related to:
Current year	(23,814		)	(22,039		)	(14,090		)
Prior years	(21,276		)	(17,750		)	(9,970		)
Total paid	(45,090		)	(39,789		)	(24,060		)
Foreign currency revaluation	—			—			—
Net balance at December 31	22,181			18,993			21,533
Add: Losses recoverable	—			—			—
Gross balance at December 31	$	22,181		$	18,993		$	21,533

Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]

Gross balance at January 1

306,641

305,997

$ 306,641

305,997

264,243

Less: Losses recoverable

2,704

3,368

2,704

3,368

11,523

Net balance at January 1

303,937

302,629

303,937

302,629

252,720

Current Year Claims and Claims Adjustment Expense

466,247

345,303

266,796

Prior Year Claims and Claims Adjustment Expense

36,157

35,512

50,301

Incurred losses related to Total incurred

502,404

380,815

317,097

Paid losses related to Current year

(220,298)

(156,181)

(132,017)

Paid losses related to Prior years

(154,183)

(216,489)

(132,846)

Paid losses related to Total paid

(374,481)

(372,670)

(264,863)

Foreign currency revaluation

3,061

(6,837)

(2,325)

Net balance at December 31

434,921

$ 303,937

303,937

$ 302,629

303,937

302,629

252,720

Add: Losses recoverable

29,459

2,704

29,459

2,704

3,368

Gross balance at December 31

$ 464,380

$ 306,641

464,380

306,641

305,997

General Liability

Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]

Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease)

(14,700)

General Liability | Construction Defects - Single Family Homes [Member]

Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]

Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease)

(19,000)

(36,900)

Homeowners' property contracts

Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]

Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease)

4,100

(7,000)

(9,300)

Private Passenger Automobile Business

Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]

Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease)

4,300

(6,700)

4,500

Private Passenger Automobile Business | Commutation of contract [Member]

Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]

Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease)

1,300

Excess of loss contract

Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]

Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease)

$ (4,500)

5,100

Professional

Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]

Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease)

10,700

(2,400)

Accident & Health

Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]

Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease)

3,700

$ 2,300

Financial

Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]

Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease)

2,200

Other Short-duration Insurance Product Line [Member]

Causes of Increase (Decrease) in Liability for Unpaid Claims and Claims Adjustment Expense [Line Items]

Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease)

$ 11,200