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Employee Benefit Plan (Narrative) (Details) - USD ($)	12 Months Ended
Employee Benefit Plan (Narrative) (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Retirement Benefits [Abstract]
Maximum annual contributions per employee	$ 19,500
Amount of employer match	$ 0.50
Employer matching contribution, percent of match	4.00%
Cash contributions	$ 2,300,000	$ 2,300,000	$ 923,000
Vesting service period (in years)	3 years