INCOME TAXES - (Significant Components of Net Deferred Tax Liability) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred income tax assets:
Unearned premiums	$ 10,232	$ 9,977
Unpaid losses and loss adjustment expenses	1,596	958
Accrued expenses	216	832
Net operating loss carryforwards	2,095	1,714
Deferred revenue	0	236
Share-based compensation	161	255
Unrealized losses on investment securities	0	1,254
Other	23	21
Total deferred income tax assets	15,978	15,247
Deferred income tax liabilities:
Deferred acquisition costs and other	(12,703)	(11,198)
Depreciation and amortization	(1,679)	(577)
Unrealized gains on investment securities	(3,270)	0
Other	(257)	(273)
Total deferred income tax liabilities	(19,564)	(12,048)
Deferred tax liability, net	3,586
Deferred tax assets, net		3,199
Deferred Tax Assets, Lease Liability	1,655	0
Deferred Tax Liabilities, Lease Asset	$ 1,655	$ 0