Year Ended December 31,

2020

2021

Debt issuance costs capitalized

$

-

$

3,100

Write-off of debt issuance costs due to amendments

$

-

$

147

Write-off of debt issuance costs due to new credit facility

$

-

$

583

Interest expense related to amortization of debt issuance costs

$

1,004

$

856

Credit facility interest expense⁽¹⁾

$

4,611

$

3,350

Weighted average interest rate under credit facility⁽¹⁾

3.97

%

3.70

%