Deferred Costs (Tables)

12 Months Ended

Dec. 31, 2021

Deferred Costs [Abstract]

Summary of Deferred Costs Activity

  The deferred costs activity was as follows:

	Year Ended December 31,
(in thousands)	2021			2020
Balance, beginning of year	$	50,595		$	46,941
Incurred deferred costs		64,076			54,421
Amortized deferred costs		(54,951	)		(50,767	)
Balance, end of year	$	59,720		$	50,595