Coronavirus Aid, Relief and Economic Security Act (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Employee Retention Credits [Abstract]
Tax benefit recognized	$ 166	$ 116	$ 127	$ 166
Paycheck Protection Program [Member]
Debt Instruments [Abstract]
Other income	10,100		10,100
Paycheck Protection Program Loan [Abstract]
Amount received from Paycheck Protection Program	10,000		10,000
Employee Retention Credits [Abstract]
Tax benefit recognized			2,200
Employee Retention Credits [Member]
Debt Instruments [Abstract]
Other income	2,100		7,200
Employee Retention Credits [Abstract]
Refund of employee retention credit	1,000		5,000
Tax benefit recognized	1,400		2,200
Refund of employee retention credit received			700
Refund of employee retention credit receivable	$ 4,300		$ 4,300