Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2021

Investments, All Other Investments [Abstract]

Cash and Available for Sale Securities Adjusted Cost, Gross Unrealized Gains, Gross Unrealized Losses, and Fair Value by Significant Investment Category

The following tables present the Company’s cash and financial assets that are measured at fair value on a recurring basis for each of the hierarchy levels (in thousands):

	December 31, 2021
	Cost		Unrealized Gains		Accrued Interest		Estimated Fair Value		Cash & Cash Equivalents		Investment Securities
Cash and cash equivalents	$	94,824	$	—	$	—	$	94,824	$	94,824	$	—
Level 1:
Money market accounts	9,359		—		—		9,359		9,359		—
Government & agency securities	1,401		12		—		1,413		—		1,413
	10,760		12		—		10,772		9,359		1,413
Level 2:
Municipal bonds	3,880		9		59		3,948		—		3,948
Total	$	109,464	$	21	$	59	$	109,544	$	104,183	$	5,361

	December 31, 2020
	Cost		Unrealized Gains		Accrued Interest		Estimated Fair Value		Cash & Cash Equivalents		Investment Securities
Cash and cash equivalents	$	159,754	$	—	$	—	$	159,754	$	159,754	$	—
Level 1:
Money market accounts	3,969		—		—		3,969		3,969		—
Government & agency securities	2,829		45		—		2,874		—		2,874
	6,798		45		—		6,843		3,969		2,874
Level 2:
Municipal bonds	7,689		42		147		7,878		—		7,878
Total	$	174,241	$	87	$	147	$	174,475	$	163,723	$	10,752