9) Income Taxes: Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Details
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount									$ 5,497,882	$ 2,560,918
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount									(473,911)	195,070
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount									0	(431,802)
Income Tax Reconciliation, Change in Tax Law									0	(8,973,722)
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount									(529,660)	68,714
Income Tax Expense (Benefit)	$ (889,013)	$ 198,052	$ 924,014	$ 4,261,258	$ (9,168,206)	$ 41,179	$ 1,508,435	$ 1,037,770	$ 4,494,311	$ (6,580,822)