12. INCOME TAXES: Schedule of Income Tax Rate Reconciliation (Details)	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Details
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%
Tax Reform Act Impact	0.00%	0.00%	0.00%
Tax effect of S corporation status	1.00%	6.70%	(0.40%)
Tax exempt income	(5.50%)	(6.40%)	(5.10%)
Miscellaneous	1.10%	0.80%	0.10%
Effective Income Tax Rate Reconciliation, Percent	17.60%	22.10%	15.60%

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Represents the Tax Reform Act Impact, during the indicated time period.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB
-Name Accounting Standards Codification
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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other deductions.

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