Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2022

Investments, All Other Investments [Abstract]

Summary of Investments

The following table summarizes activities related to these investments for the six months ended June 30, 2022 and the twelve months ended December 31, 2021 (in thousands):

	Six Months Ended June 30, 2022		Twelve Months Ended December 31, 2021
Fair value at beginning of period	$	38,670	$	25,708
Purchases	18,271		26,980
Redemptions	(4,235)		(6,530)
Maturities	(4,270)		(8,347)
Change in bond premium	(181)		1,517
Fair market value adjustment	(1,590)		(658)
Fair value at end of period	$	46,665	$	38,670

Summary of Outstanding Interest Rate Swaps

The following table summarizes our outstanding interest rate swaps and their classification in the accompanying unaudited Condensed Consolidated Balance Sheets at June 30, 2022 and December 31, 2021 (amounts in thousands):

	June 30, 2022
	Notional Amount		Fixed Rate		Expiration	Fair Value		Balance Sheet Location
Interest rate swap	$	15,000	2.571	%	6/1/2023	$	27	Other current asset
Interest rate swap	$	50,000	0.834	%	4/14/2025	$	2,646	Other non-current asset
Interest rate swap	$	30,000	1.186	%	12/14/2026	$	1,925	Other non-current asset

	December 31, 2021
	Notional Amount		Fixed Rate		Expiration	Fair Value		Balance Sheet Location
Interest rate swap	$	20,000	1.770	%	5/14/2022	$	(120)	Other current liability
Interest rate swap	$	15,000	2.640	%	6/1/2023	$	(432)	Other non-current liability
Interest rate swap	$	50,000	0.885	%	4/14/2025	$	405	Other non-current asset
Interest rate swap	$	30,000	1.249	%	12/14/2026	$	(64)	Other non-current liability

Summary of Effects of Interest Rate Swap

The following table summarizes the effects of the interest rate swaps on the accompanying unaudited Condensed Consolidated Statements of Comprehensive Income for the three and six months ended June 30, 2022 and 2021 (in thousands):

	Gain Recognized in AOCI, net of tax				Loss Reclassified from AOCL into Expense
	Three Months Ended June 30,				Three Months Ended June 30,
	2022		2021		2022		2021
Interest rate swaps	$	587	$	117	$	(155)	$	(280)

	Six Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Interest rate swaps	$	3,194	$	1,078	$	(498)	$	(565)