Leases (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Summary of Lease Costs Recognized under ASC 842 and Other Information Pertaining to Operating Leases

The following table contains a summary of the lease costs recognized under ASC 842 and other information pertaining to the Corporation's operating leases for the years ended December 31, 2021, 2020, and 2019:

Years ended December 31,	2021			2020			2019
	(in thousands)
Operating lease cost	$	4,515		$	4,533		$	4,552
Variable lease cost	515			632			654
Short-term lease cost	45			20			58
Sublease income	(2,727)			(3,098)			(989)
Total lease cost	$	2,348		$	2,087		$	4,275
Other information
Cash paid for amounts included in the measurement of lease liabilities	$	5,248		$	4,979		$	4,804
Weighted-average remaining lease term	5.0 years			4.4 years			4.8 years
Weighted-average discount rate	10.36		%	10.17		%	10.05		%

Summary of Maturities of Operating Lease Liabilities

The following table summarizes the Corporation's future lease payments for non-cancelable operating lease liabilities as of December 31, 2021:

	(in thousands)
2022	$	3,164
2023	1,665
2024	1,319
2025	1,170
2026	1,155
Thereafter	1,486
Total lease payments	9,959
Less: imputed interest	(2,070)
Total	$	7,889