Share Buyback Program (Details) - USD ($) $ in Thousands	1 Months Ended	24 Months Ended
	Jan. 31, 2020	Sep. 30, 2021	Oct. 04, 2019
Disclosure of Repurchase Agreements [Abstract]
Common stock available for repurchase (in shares)			1,000,000
Common stock repurchase program (in shares)	36,000	151,000
Common stock repurchase cost	$ 390	$ 1,690