Value of input used to measure investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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-Publisher FASB
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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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-Publisher FASB
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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FAIR VALUE OF FINANCIAL INSTRUMENTS (Quantitative Information About Level 3 Fair Value Measurements) (Details) $ in Thousands	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Nonredeemable preferred stocks	$ 206,685	$ 299,203
Recurring \| Continuing Operations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fixed Maturities asset-backed securities	1,771	1,595
Recurring \| Corporate bonds \| Continuing Operations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fixed Maturities asset-backed securities	250	250
Recurring \| Asset-backed securities \| Continuing Operations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fixed Maturities asset-backed securities	926	$ 750
Recurring \| Level 3 \| Asset-backed securities \| Continuing Operations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fixed Maturities asset-backed securities	$ 926
Recurring \| Level 3 \| Asset-backed securities \| Discounted cash flow \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Available-for-sale securities, range of weighted average significant unobservable inputs	0.04
Recurring \| Level 3 \| Asset-backed securities \| Discounted cash flow \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Available-for-sale securities, range of weighted average significant unobservable inputs	0.06
Recurring \| Level 3 \| Nonredeemable preferred stocks \| Continuing Operations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fixed Maturities asset-backed securities	$ 595
Recurring \| Level 3 \| Nonredeemable preferred stocks \| Discounted cash flow \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Nonredeemable preferred stocks, range of weighted average significant unobservable inputs	0.03
Recurring \| Level 3 \| Nonredeemable preferred stocks \| Discounted cash flow \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Nonredeemable preferred stocks, range of weighted average significant unobservable inputs	0.04
Recurring \| Level 3 \| Financial services \| Corporate bonds \| Continuing Operations
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fixed Maturities asset-backed securities	$ 250