​

March 31,

​

December 31,

​

​

2024

​

​

2023

​

​

(in thousands)

​

Cash and cash equivalents

$

133,963

​

$

167,297

​

Long-term restricted cash

​

6,652

​

​

6,654

​

Total cash, cash equivalents and restricted cash

$

140,615

​

$

173,951

​