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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The price per share of the conversion feature embedded in the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Investments which are not defined as or included in marketable (debt, equity, or other) securities whose use is restricted in whole or in part, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

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Note 7 - Borrowings (Details Textual) - USD ($) $ / shares in Units, $ in Thousands					3 Months Ended		9 Months Ended
	Feb. 25, 2022	Jun. 22, 2021	Apr. 24, 2021	Apr. 21, 2020	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Jun. 15, 2022	Dec. 31, 2021	Mar. 30, 2021	Sep. 15, 2019	Aug. 13, 2019	Oct. 11, 2017	Sep. 29, 2017
Asset Coverage to Borrowings, Ratio, Percent							185.00%
Debt Instrument, Face Amount					$ 483,461		$ 483,461			$ 353,000
Interest Paid, Excluding Capitalized Interest, Operating Activities							11,543	$ 7,785
Long-Term Debt, Gross					362,711		362,711			260,250
Restricted Investments					1,617		1,617			1,359
Money Market Funds [Member]
Restricted Investments					$ 600		$ 600			900
Key Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity, Accordian Feature		$ 150,000
Line of Credit Facility, Maximum Borrowing Capacity		$ 125,000
Line of Credit Facility, Advance Rate of Eligible Debt Investments		60.00%
Long-Term Debt, Weighted Average Interest Rate, over Time					5.60%	4.25%	4.75%	4.25%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage							0.50%
Line of Credit Facility, Current Borrowing Capacity					$ 57,500		$ 57,500			71,500
Line of Credit Facility, Remaining Borrowing Capacity					28,000		28,000			19,800
Debt Instrument, Face Amount					125,000		125,000			125,000
Long-Term Debt, Gross					$ 67,500		$ 67,500			$ 53,500
Key Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate		3.25%
Key Facility [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate							0.25%
Debt Instrument, Variable Rate					6.25%		6.25%			3.25%
The 6.25 % Notes Due 2022 [Member]
Debt Instrument, Face Amount															$ 32,500
Debt Instrument, Interest Rate, Stated Percentage															6.25%
Adittional 2022 Notes [Member]
Debt Instrument, Face Amount														$ 4,900
The 2022 Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage												6.25%
Debt Instrument, Convertible, Conversion Price (in dollars per share)												$ 25
Repayments of Debt			$ 37,400
Interest Paid, Excluding Capitalized Interest, Operating Activities			300
Payments of Debt Issuance Costs			$ 400
The 2026 Notes [Member]
Debt Instrument, Face Amount					$ 57,500		$ 57,500			$ 57,500	$ 57,500
Debt Instrument, Interest Rate, Stated Percentage											4.875%
Long-Term Debt, Gross					57,500		57,500			57,500
The 2026 Notes Underwriter Option [Member]
Debt Instrument, Face Amount											$ 7,500
Debt Instrument, Convertible, Conversion Price (in dollars per share)											$ 25
The 2027 Notes [Member]
Debt Instrument, Face Amount					57,500		57,500		$ 50,000	0
Debt Instrument, Interest Rate, Stated Percentage									6.25%
Long-Term Debt, Gross					57,500		57,500			0
The 2027 Notes Underwriter Option [Member]
Debt Instrument, Face Amount									$ 7,500
Debt Instrument, Convertible, Conversion Price (in dollars per share)									$ 25
Asset-Backed Notes [Member]
Debt Instrument, Face Amount					43,461		43,461			70,500			$ 160,000
Debt Instrument, Interest Rate, Stated Percentage													4.21%
Long-Term Debt, Gross					43,461		43,461			70,500
NYL Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 200,000			$ 100,000
Line of Credit Facility, Current Borrowing Capacity					63,200		63,200			21,200
Line of Credit Facility, Remaining Borrowing Capacity					49,200		49,200			5,700
Debt Instrument, Face Amount					200,000		200,000			100,000
Long-Term Debt, Gross					136,750		136,750			78,750
Line of Credit Facility, Maximum Borrowing Capacity, Accordion Feature				$ 200,000
Line of Credit Facility, Advance Rate				67.00%
Line of Credit Facility, Change in Maximum Borrowing Capacity	$ 100,000
Long-Term Line of Credit, Total					$ 136,800		$ 136,800			$ 78,800
Line of Credit Facility, Interest Rate at Period End					5.11%		5.11%			4.62%
NYL Facility [Member] \| USD Mid-market Wwap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate	3.00%
Minimum [Member]
Asset Coverage to Borrowings, Ratio, Percent							150.00%
Minimum [Member] \| Key Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate		1.00%
Minimum [Member] \| Key Facility [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate							4.25%
Minimum [Member] \| NYL Facility [Member] \| USD Mid-market Wwap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate				3.55%
Maximum [Member] \| NYL Facility [Member] \| USD Mid-market Wwap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate				5.15%