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Note 20: Stock Compensation Plans: Schedule of Share-based Compensation, Activity (Details) - Share-based Payment Arrangement, Option	12 Months Ended
	Dec. 31, 2019 $ / shares shares
Granted
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares	186,400
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	$ 60.086
Exercised
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares	(125,894)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	$ 33.031
Forfeited
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares	(25,874)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	$ 49.395
Options exercisable
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares	255,491
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	$ 37.310
Share based compensation stock option weighted average remaining contractual term	5.10 years
Balance, Beginning of Period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares	773,236
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	$ 43.886
Share based compensation stock option weighted average remaining contractual term	7.44 years
Balance, End of Period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares	807,868
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	$ 49.139
Share based compensation stock option weighted average remaining contractual term	7.54 years

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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