Borrowings (Tables)

12 Months Ended

Dec. 31, 2023

2025 Notes

Debt Instrument [Line Items]

Components of Interest Expense and Related Fees

The components of interest expense and related fees for the 2025 Notes are as follows (in thousands):

		Year Ended				Year Ended				Year Ended
		December 31, 2023				December 31, 2022				December 31, 2021
Stated interest expense	$		12,775		$		10,527		$		8,750
Amortization of deferred financing costs			1,990				1,584				1,177
Total interest and amortization of deferred financing costs	$		14,765		$		12,111		$		9,927
Weighted average effective interest rate			8.1	%			8.0	%			7.9	%
Weighted average outstanding balance	$		182,500		$		150,575		$		125,000

August 2026 Notes

Debt Instrument [Line Items]

Components of Interest Expense and Related Fees

The components of interest expense and related fees for the 2026 Notes are as follows (in thousands):

		Year Ended				Year Ended				Year Ended
		December 31, 2023				December 31, 2022				December 31, 2021
Stated interest expense	$		5,469		$		5,453		$		1,944
Amortization of deferred financing costs			577				577				192
Total interest and amortization of deferred financing costs	$		6,046		$		6,030		$		2,136
Weighted average effective interest rate			4.8	%			4.8	%			4.8	%
Weighted average outstanding balance	$		125,000		$		125,000		$		125,000

December 2026 Notes

Debt Instrument [Line Items]

Components of Interest Expense and Related Fees

The components of interest expense and related fees for the December 2026 Notes are as follows (in thousands):

		Year Ended				Year Ended				Year Ended
		December 31, 2023				December 31, 2022				December 31, 2021
Stated interest expense	$		3,188		$		3,188		$		142
Amortization of deferred financing costs			373				372				17
Total interest and amortization of deferred financing costs	$		3,561		$		3,560		$		159
Weighted average effective interest rate			4.7	%			4.7	%			4.5	%
Weighted average outstanding balance	$		75,000		$		75,000		$		75,000

6.00% Convertible Notes due 2025

Debt Instrument [Line Items]

Summary of Carrying Value of Convertible Notes

The components of the carrying value of the Convertible Notes were as follows (in thousands):

	December 31, 2023			December 31, 2022
Principal amount of debt	$	50,000		$	50,000
Unamortized debt financing cost		(733	)		(1,109	)
Original issue discount, net of accretion		(510	)		(773	)
Carrying value of Convertible Notes	$	48,757		$	48,118

Components of Interest Expense and Related Fees

The components of interest expense and related fees for the Convertible Notes were as follows (in thousands):

		Year Ended				Year Ended				Year Ended
		December 31, 2023				December 31, 2022				December 31, 2021
Stated interest expense	$		3,000		$		3,000		$		2,992
Amortization of deferred financing costs and original issue discount			639				639				627
Total interest and amortization of deferred financing costs and original issue discount	$		3,639		$		3,639		$		3,619
Weighted average effective interest rate			7.3	%			7.3	%			7.2	%
Weighted average outstanding balance	$		50,000		$		50,000		$		50,000

KeyBank Credit Facility

Debt Instrument [Line Items]

Components of Interest Expense and Related Fees

The summary information regarding the KeyBank Credit Facility is as follows (dollars in thousands):

		Year Ended				Year Ended				Year Ended
		December 31, 2023				December 31, 2022				December 31, 2021
Stated interest expense	$		15,468		$		8,033		$		452
Amortization of deferred financing costs			817				766				68
Total interest and amortization of deferred financing costs	$		16,285		$		8,799		$		520
Weighted average effective interest rate			9.0	%			5.9	%			4.5	%
Weighted average outstanding balance	$		180,399		$		149,911		$		63,864