Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Number of Shares
Outstanding - beginning of period		15,000
Granted		0
Exercised	(2,000)	(2,000)
Expired		0
Forfeited		(1,000)
Outstanding - end of period	12,000	12,000	15,000
Exercisable - end of period	12,000	12,000
Weighted Average Exercise Price per Share
Outstanding - beginning of period		$ 4.76
Granted		0
Exercised		4.22
Expired		0
Forfeited		4.22
Outstanding - end of period	$ 4.90	4.90	$ 4.76
Exercisable - end of period	$ 4.90	$ 4.90
Weighted Average Remaining Contractual Term
Options outstanding		2 years 3 months 29 days	2 years 11 months 8 days
Options exercisable		2 years 3 months 29 days
Aggregate Intrinsic Value
Outstanding - beginning of period		$ 2,700
Granted		0
Exercised		9,390
Expired		0
Forfeited		320
Outstanding - end of period	$ 23,460	23,460	$ 2,700
Options exercisable	$ 23,460	$ 23,460