Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2022

Commitments and Contingencies Disclosure [Abstract]

Operating Lease, Lease Income

For the year ended December 31, 2022 and 2021, quantitative information regarding the Company's operating lease obligations reflected in the accompanying consolidated statements of operations were as follows:

	Year Ended December 31,
	2022		2021		2020
	(dollars in thousands)
Lease cost
Operating lease cost	$	25,495	$	25,268	$	22,759
Short-term lease cost	225		150		207
Variable lease cost	2,527		3,526		3,550
Sublease income	(470)		(583)		(781)
Total lease costs	$	27,777	$	28,361	$	25,735

The following table summarizes the supplemental cash flow information and certain other information related to operating leases for the years ended December 31, 2022 and 2021:

	Year Ended December 31,
	2022			2021
	(dollars in thousands)
Other information
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	26,046		$	27,429
Weighted average remaining lease term - operating leases (in years)	5.35			5.27
Weighted average discount rate - operating leases	4.23		%	4.06		%

Future Minimum Annual Lease and Service Payments

As of December 31, 2022, maturities of the outstanding operating lease liabilities for the Company were as follows:

	Equipment Leases (operating)		Real Estate and Other Facility Rental (a) (b) (c)
	(dollars in thousands)
2023	$	523	$	24,653
2024	515		22,450
2025	479		11,781
2026	278		8,607
2027	—		7,213
Thereafter	—		18,998
Total operating leases	1,795		93,702
Less discount	41		10,097
Less short-term leases	—		137
Total lease liability	$	1,754	$	83,468

(a)The Company has entered into various agreements to sublease certain of its premises.

(b)During the year ended December 31, 2022, the Company recognized an increase of $12.3 million of operating right-of-use assets and leases liabilities related to facility leases.

(c)The Company has assigned a lease but has remained as the guarantor for performance of the assignee's rent payment obligations for the remainder of the term of the assigned lease at the maximum amount of $0.5 million.

As of December 31, 2022, future minimum annual service payments for the Company were as follows:

	Service Payments
	(dollars in thousands)
2023	$	32,919
2024	18,761
2025	6,169
2026	3,271
2027	3,257
Thereafter	4,100
Total service payment commitments	$	68,477

Other Commitments

The following table summarizes unfunded commitments as of December 31, 2022:

Entity	Unfunded Commitments		Commitment Term
	(dollars in thousands)
HealthCare Royalty Partners funds (a)	$	6,064	2.0 years
Eclipse Ventures Fund I, L.P.	$	28	2.0 years
Eclipse Fund II, L.P.	$	12	3.0 years
Eclipse Continuity Fund I, L.P.	$	10	4.0 years
Cowen Healthcare Investments III LP	$	1,552	4.0 years
Cowen Healthcare Investments IV LP	$	4,758	5.0 years
Cowen Sustainable Investments I LP	$	8,729	7.0 years

(a) The Company is a limited partner of the HealthCare Royalty Partners funds (which are managed by Healthcare Royalty Management) and is a member of HealthCare Royalty Partners General Partners. The Company will make its pro-rata investment in the HealthCare Royalty Partners funds along with the other limited partners.