9) Income Taxes: Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Details
Federal Income Tax Expense (Benefit), Continuing Operations									$ 4,404,041	$ 6,933,145
State and Local Income Tax Expense (Benefit), Continuing Operations									504,272	166,567
Current Income Tax Expense (Benefit)									4,908,313	7,099,712
Deferred Federal Income Tax Expense (Benefit)									(1,551,725)	(1,838,947)
Deferred State and Local Income Tax Expense (Benefit)									(306,172)	(766,454)
Provision for deferred income taxes									(1,857,897)	(2,605,401)
Income Tax Expense (Benefit)	$ 262,378	$ 1,142,408	$ 1,143,789	$ 501,841	$ (889,013)	$ 198,052	$ 924,014	$ 4,261,258	$ 3,050,416	$ 4,494,311