Note 14 - Stock-based Compensation - Summary of Information About Stock-based Awards Outstanding (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Number of shares outstanding (in shares)	1,483	1,810
Weighted average remaining contractual life in years, options outstanding (Year)	2 years 7 months 6 days	3 years 1 month 6 days
Aggregate intrinsic value, options outstanding	$ 34,449	$ 47,762
Number of shares exercisable (in shares)	606	749
Aggregate intrinsic value, options exercisable	$ 5,458	$ 19,513
Weighted average remaining contractual life in years, options exercisable (Year)	2 years 4 months 24 days	1 year 9 months 18 days
Exercise Price 1 [Member]
Number of shares outstanding (in shares)	345	157
Weighted average remaining contractual life in years, options outstanding (Year)	1 year 7 months 6 days	2 years 1 month 6 days
Aggregate intrinsic value, options outstanding	$ 26,127	$ 13,536
Number of shares exercisable (in shares)		0
Aggregate intrinsic value, options exercisable	$ 0	$ 0
Exercise Price 4 [Member]
Number of shares outstanding (in shares)	78	8
Weighted average remaining contractual life in years, options outstanding (Year)	6 months	2 years
Aggregate intrinsic value, options outstanding	$ 1,736	$ 278
Number of shares exercisable (in shares)	78	6
Aggregate intrinsic value, options exercisable	$ 1,736	$ 209
Exercise price (in dollars per share)	$ 53.44	$ 51.71
Weighted average remaining contractual life in years, options exercisable (Year)	6 months	2 years
Exercise Price 2 [Member]
Number of shares outstanding (in shares)	8
Weighted average remaining contractual life in years, options outstanding (Year)	1 year
Aggregate intrinsic value, options outstanding	$ 193
Number of shares exercisable (in shares)	8
Aggregate intrinsic value, options exercisable	$ 193
Exercise price (in dollars per share)	$ 51.71
Weighted average remaining contractual life in years, options exercisable (Year)	1 year
Exercise Price 5 [Member]
Number of shares outstanding (in shares)	8	3
Weighted average remaining contractual life in years, options outstanding (Year)	7 months 6 days	1 year 10 months 24 days
Aggregate intrinsic value, options outstanding	$ 134	$ 108
Number of shares exercisable (in shares)	8	3
Aggregate intrinsic value, options exercisable	$ 134	$ 108
Exercise price (in dollars per share)	$ 57.97	$ 53.16
Weighted average remaining contractual life in years, options exercisable (Year)	7 months 6 days	1 year 10 months 24 days
Exercise Price 3 [Member]
Number of shares outstanding (in shares)	3
Weighted average remaining contractual life in years, options outstanding (Year)	10 months 24 days
Aggregate intrinsic value, options outstanding	$ 73
Number of shares exercisable (in shares)	3
Aggregate intrinsic value, options exercisable	$ 73
Exercise price (in dollars per share)	$ 53.16
Weighted average remaining contractual life in years, options exercisable (Year)	10 months 24 days
Exercise Price 6 [Member]
Number of shares outstanding (in shares)	45	103
Weighted average remaining contractual life in years, options outstanding (Year)	2 years 6 months	1 year 6 months
Aggregate intrinsic value, options outstanding	$ 562	$ 3,405
Number of shares exercisable (in shares)	34	103
Aggregate intrinsic value, options exercisable	$ 422	$ 3,405
Exercise price (in dollars per share)	$ 63.4	$ 53.44
Weighted average remaining contractual life in years, options exercisable (Year)	2 years 6 months	1 year 6 months
Exercise Price 7 [Member]
Number of shares outstanding (in shares)	7	295
Weighted average remaining contractual life in years, options outstanding (Year)	2 years 10 months 24 days	10 months 24 days
Aggregate intrinsic value, options outstanding	$ 54	$ 9,236
Number of shares exercisable (in shares)	7	295
Aggregate intrinsic value, options exercisable	$ 54	$ 9,236
Exercise price (in dollars per share)	$ 67.54	$ 55.16
Weighted average remaining contractual life in years, options exercisable (Year)	2 years 10 months 24 days	10 months 24 days
Exercise Price 8 [Member]
Number of shares outstanding (in shares)	47	8
Weighted average remaining contractual life in years, options outstanding (Year)	2 years 4 months 24 days	1 year 7 months 6 days
Aggregate intrinsic value, options outstanding	$ 349	$ 214
Number of shares exercisable (in shares)	35	8
Aggregate intrinsic value, options exercisable	$ 261	$ 214
Exercise price (in dollars per share)	$ 68.34	$ 57.97
Weighted average remaining contractual life in years, options exercisable (Year)	2 years 4 months 24 days	1 year 7 months 6 days
Exercise Price 10 [Member]
Number of shares outstanding (in shares)	448	74
Weighted average remaining contractual life in years, options outstanding (Year)	4 years 2 months 12 days	10 months 24 days
Aggregate intrinsic value, options outstanding	$ 2,077	$ 1,719
Number of shares exercisable (in shares)	101	74
Aggregate intrinsic value, options exercisable	$ 468	$ 1,719
Exercise price (in dollars per share)	$ 71.15	$ 63.35
Weighted average remaining contractual life in years, options exercisable (Year)	4 years 2 months 12 days	10 months 24 days
Exercise Price 11 [Member]
Number of shares outstanding (in shares)	4	45
Weighted average remaining contractual life in years, options outstanding (Year)	1 year 7 months 6 days	3 years 6 months
Aggregate intrinsic value, options outstanding	$ 16	$ 1,047
Number of shares exercisable (in shares)	4	23
Aggregate intrinsic value, options exercisable	$ 16	$ 524
Exercise price (in dollars per share)	$ 71.71	$ 63.4
Weighted average remaining contractual life in years, options exercisable (Year)	1 year 7 months 6 days	3 years 6 months
Exercise Price 12 [Member]
Number of shares outstanding (in shares)	5	7
Weighted average remaining contractual life in years, options outstanding (Year)	1 year 10 months 24 days	3 years 10 months 24 days
Aggregate intrinsic value, options outstanding	$ 0	$ 125
Number of shares exercisable (in shares)	5	7
Aggregate intrinsic value, options exercisable	$ 0	$ 125
Exercise price (in dollars per share)	$ 76.43	$ 67.54
Weighted average remaining contractual life in years, options exercisable (Year)	1 year 10 months 24 days	3 years 10 months 24 days
Exercise Price 9 [Member]
Number of shares outstanding (in shares)	470
Weighted average remaining contractual life in years, options outstanding (Year)	2 years 4 months 24 days
Aggregate intrinsic value, options outstanding	$ 3,128
Number of shares exercisable (in shares)	316
Aggregate intrinsic value, options exercisable	$ 2,101
Exercise price (in dollars per share)	$ 69.14
Weighted average remaining contractual life in years, options exercisable (Year)	2 years 4 months 24 days
Exercise Price 13 [Member]
Number of shares outstanding (in shares)	9	47
Weighted average remaining contractual life in years, options outstanding (Year)	3 years 10 months 24 days	3 years 4 months 24 days
Aggregate intrinsic value, options outstanding	$ 0	$ 849
Number of shares exercisable (in shares)	4	23
Aggregate intrinsic value, options exercisable	$ 0	$ 424
Exercise price (in dollars per share)	$ 76.54	$ 68.34
Weighted average remaining contractual life in years, options exercisable (Year)	3 years 10 months 24 days	3 years 4 months 24 days
Exercise Price 14 [Member]
Number of shares outstanding (in shares)	6	539
Weighted average remaining contractual life in years, options outstanding (Year)	3 years 3 months 18 days	3 years 4 months 24 days
Aggregate intrinsic value, options outstanding	$ 0	$ 9,357
Number of shares exercisable (in shares)	3	199
Aggregate intrinsic value, options exercisable	$ 0	$ 3,456
Exercise price (in dollars per share)	$ 78.53	$ 69.14
Weighted average remaining contractual life in years, options exercisable (Year)	3 years 3 months 18 days	3 years 4 months 24 days
Exercise Price 15 [Member]
Number of shares outstanding (in shares)	1	499
Weighted average remaining contractual life in years, options outstanding (Year)	3 years	5 years 2 months 12 days
Aggregate intrinsic value, options outstanding	$ 0	$ 7,644
Number of shares exercisable (in shares)	0	0
Aggregate intrinsic value, options exercisable	$ 0	$ 0
Exercise price (in dollars per share)	$ 90.28	$ 71.15
Weighted average remaining contractual life in years, options exercisable (Year)	3 years	5 years 2 months 12 days
Exercise Price 16 [Member]
Number of shares outstanding (in shares)		4
Weighted average remaining contractual life in years, options outstanding (Year)		2 years 7 months 6 days
Aggregate intrinsic value, options outstanding		$ 59
Number of shares exercisable (in shares)		3
Aggregate intrinsic value, options exercisable		$ 44
Exercise price (in dollars per share)		$ 71.71
Weighted average remaining contractual life in years, options exercisable (Year)		2 years 7 months 6 days
Exercise Price 17 [Member]
Number of shares outstanding (in shares)		5
Weighted average remaining contractual life in years, options outstanding (Year)		2 years 10 months 24 days
Aggregate intrinsic value, options outstanding		$ 49
Number of shares exercisable (in shares)		5
Aggregate intrinsic value, options exercisable		$ 49
Exercise price (in dollars per share)		$ 76.43
Weighted average remaining contractual life in years, options exercisable (Year)		2 years 10 months 24 days
Exercise Price 18 [Member]
Number of shares outstanding (in shares)		9
Weighted average remaining contractual life in years, options outstanding (Year)		4 years 10 months 24 days
Aggregate intrinsic value, options outstanding		$ 85
Number of shares exercisable (in shares)		0
Aggregate intrinsic value, options exercisable		$ 0
Exercise price (in dollars per share)		$ 76.54
Weighted average remaining contractual life in years, options exercisable (Year)		4 years 10 months 24 days
Exercise Price 19 [Member]
Number of shares outstanding (in shares)		6
Weighted average remaining contractual life in years, options outstanding (Year)		4 years 3 months 18 days
Aggregate intrinsic value, options outstanding		$ 51
Number of shares exercisable (in shares)		0
Aggregate intrinsic value, options exercisable		$ 0
Exercise price (in dollars per share)		$ 78.53
Weighted average remaining contractual life in years, options exercisable (Year)		4 years 3 months 18 days
Exercise Price 20 [Member]
Number of shares outstanding (in shares)		1
Weighted average remaining contractual life in years, options outstanding (Year)		4 years
Aggregate intrinsic value, options outstanding		$ 0
Number of shares exercisable (in shares)		0
Aggregate intrinsic value, options exercisable		$ 0
Exercise price (in dollars per share)		$ 90.28
Weighted average remaining contractual life in years, options exercisable (Year)		4 years