Investments (Tables)

12 Months Ended

Dec. 31, 2023

Equity Method Investments and Joint Ventures [Abstract]

Schedule of unrestricted marketable securities

Unrestricted available-for-sale marketable securities held by the Company are as follows (dollars in thousands):

	December 31, 2023		December 31, 2022
Corporate, U.S. government agency and municipal debt securities
Amortized cost	$	197,153	$	466,333
Gross unrealized gains	5		14
Gross unrealized losses	(721)		(4,237)
Total fair value	$	196,437	$	462,110

Schedule of contractual maturities of the unrestricted available for sale marketable securities held

The contractual maturities of the unrestricted available-for-sale marketable securities held by the Company are as follows (dollars in thousands):

	December 31, 2023
Less than 1 year	$	179,820
1 year to 2 years	16,617
Total	$	196,437