Stockholders' Equity - Range Of Exercise Prices (Details) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) $ / shares shares
Vested options
2009 Stock Option Plan
Outstanding at ending of the year (in shares) | shares	111,503
Weighted Avg. Exercise Price (in dollars per share)	$ 28.92
Weighted Avg. Remaining Contractual Life	4 years 3 months 18 days
Total Intrinsic Value | $	$ 3,394
2009 Stock Option Plan
2009 Stock Option Plan
Outstanding at ending of the year (in shares) | shares	213,713
Weighted Avg. Exercise Price (in dollars per share)	$ 36.83
Weighted Avg. Remaining Contractual Life	5 years 10 months 24 days
Total Intrinsic Value | $	$ 4,814
$23.00 - $28.00 | 2009 Stock Option Plan
2009 Stock Option Plan
Exercise prices, low end of range (in dollars per share)	$ 23.00
Exercise prices, high end of range (in dollars per share)	$ 28.00
Outstanding at ending of the year (in shares) | shares	74,763
Weighted Avg. Exercise Price (in dollars per share)	$ 26.29
Weighted Avg. Remaining Contractual Life	3 years 9 months 18 days
Total Intrinsic Value | $	$ 2,472
$28.00 - $32.00 | 2009 Stock Option Plan
2009 Stock Option Plan
Exercise prices, low end of range (in dollars per share)	$ 28.00
Exercise prices, high end of range (in dollars per share)	$ 32.00
Outstanding at ending of the year (in shares) | shares	14,073
Weighted Avg. Exercise Price (in dollars per share)	$ 29.84
Weighted Avg. Remaining Contractual Life	3 years
Total Intrinsic Value | $	$ 416
$32.00 - $47.00 | 2009 Stock Option Plan
2009 Stock Option Plan
Exercise prices, low end of range (in dollars per share)	$ 32.00
Exercise prices, high end of range (in dollars per share)	$ 47.00
Outstanding at ending of the year (in shares) | shares	124,877
Weighted Avg. Exercise Price (in dollars per share)	$ 43.93
Weighted Avg. Remaining Contractual Life	7 years 6 months
Total Intrinsic Value | $	$ 1,926