17) Fair Value of Financial Instruments: Fair Value Assets Measured on a Nonrecurring Basis (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Impaired mortgage loans held for investment	$ 1,363,440	$ 2,809,925
Mortgage servicing rights - additions	6,085,352	8,603,154
Impaired real estate held for investment	8,500,000	2,347,820
Impaired fixed maturity securities, held to maturity	426,984
Assets, Fair Value Disclosure, Nonrecurring	16,375,776	13,760,899
Fair Value, Inputs, Level 2
Impaired fixed maturity securities, held to maturity	426,984
Assets, Fair Value Disclosure, Nonrecurring	426,984
Fair Value, Inputs, Level 3
Impaired mortgage loans held for investment	1,363,440	2,809,925
Mortgage servicing rights - additions	6,085,352	8,603,154
Impaired real estate held for investment	8,500,000	2,347,820
Assets, Fair Value Disclosure, Nonrecurring	$ 15,948,792	$ 13,760,899