3) Investments: Schedule of Unrealized Loss on Investments (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
US States and Political Subdivisions Debt Securities
Held-to-maturity Securities, Unrecognized Holding Loss	$ 9,121	$ 9,026
Debt Securities, Held-to-maturity, Fair Value	1,517,439	3,062,889
US States and Political Subdivisions Debt Securities | Less Than 12 Months
Held-to-maturity Securities, Unrecognized Holding Loss	9,121	9,026
Debt Securities, Held-to-maturity, Fair Value	1,517,439	3,062,889
US States and Political Subdivisions Debt Securities | More Than 12 Months
Held-to-maturity Securities, Unrecognized Holding Loss	0	0
Debt Securities, Held-to-maturity, Fair Value	0	0
Corporate Securities
Held-to-maturity Securities, Unrecognized Holding Loss	7,611,064	463,413
Debt Securities, Held-to-maturity, Fair Value	48,176,442	11,134,820
Corporate Securities | Less Than 12 Months
Held-to-maturity Securities, Unrecognized Holding Loss	6,202,615	118,746
Debt Securities, Held-to-maturity, Fair Value	45,578,852	7,184,311
Corporate Securities | More Than 12 Months
Held-to-maturity Securities, Unrecognized Holding Loss	1,408,449	344,667
Debt Securities, Held-to-maturity, Fair Value	2,597,590	3,950,509
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises
Held-to-maturity Securities, Unrecognized Holding Loss	1,317,320	240,177
Debt Securities, Held-to-maturity, Fair Value	20,739,881	13,769,212
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises | Less Than 12 Months
Held-to-maturity Securities, Unrecognized Holding Loss	1,285,828	205,470
Debt Securities, Held-to-maturity, Fair Value	20,262,301	13,266,443
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises | More Than 12 Months
Held-to-maturity Securities, Unrecognized Holding Loss	31,492	34,707
Debt Securities, Held-to-maturity, Fair Value	477,580	502,769
Redeemable Preferred Stock
Held-to-maturity Securities, Unrecognized Holding Loss	8,750	0
Debt Securities, Held-to-maturity, Fair Value	241,250
Redeemable Preferred Stock | Less Than 12 Months
Held-to-maturity Securities, Unrecognized Holding Loss	8,750
Debt Securities, Held-to-maturity, Fair Value	241,250
Redeemable Preferred Stock | More Than 12 Months
Held-to-maturity Securities, Unrecognized Holding Loss	0
Debt Securities, Held-to-maturity, Fair Value	0
Total unrealized losses
Held-to-maturity Securities, Unrecognized Holding Loss	8,946,255	737,831
Debt Securities, Held-to-maturity, Fair Value	70,675,012	68,596,609
Total unrealized losses | Less Than 12 Months
Held-to-maturity Securities, Unrecognized Holding Loss	7,506,314	353,453
Debt Securities, Held-to-maturity, Fair Value	67,599,842	54,142,931
Total unrealized losses | More Than 12 Months
Held-to-maturity Securities, Unrecognized Holding Loss	1,439,941	384,378
Debt Securities, Held-to-maturity, Fair Value	3,075,170	14,453,678
US Treasury Securities [Member]
Held-to-maturity Securities, Unrecognized Holding Loss	$ 0	25,215
Debt Securities, Held-to-maturity, Fair Value		40,629,688
US Treasury Securities [Member] | Less Than 12 Months
Held-to-maturity Securities, Unrecognized Holding Loss		20,211
Debt Securities, Held-to-maturity, Fair Value		30,629,288
US Treasury Securities [Member] | More Than 12 Months
Held-to-maturity Securities, Unrecognized Holding Loss		5,004
Debt Securities, Held-to-maturity, Fair Value		$ 10,000,400