Restricted Cash and Investments (Tables)

6 Months Ended

Jun. 30, 2022

Restricted Investments Note [Abstract]

Reconciliation of Cash, Cash Equivalents, and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents and restricted cash reported within the unaudited consolidated balance sheets that sum to the total of the same such amounts reported in the unaudited consolidated statements of cash flows.

Classification
	June 30, 2022		June 30, 2021
	(dollars in thousands)
Cash and cash equivalents	$	476,792	$	399,551
Bond purchase fund	30,975		245,605
Restricted cash included in restricted cash and short-term investments	84,600		—
Total cash, cash equivalents and restricted cash reported in the consolidated statements of cash flows	$	592,367	$	645,156