8) Cemetery Perpetual Care Trust Investments and Obligation and Restricted Assets: Schedule of Restricted Assets in Cemetery and Mortuary Endowment Care and Pre need Merchandise Funds (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Restricted assets (including $809,958 for 2017 and $736,603 for 2016 at estimated fair value)	$ 11,830,621	$ 10,391,394	$ 10,391,394
CashAndCashEquivalents1Member
Restricted assets (including $809,958 for 2017 and $736,603 for 2016 at estimated fair value)	8,188,764	7,089,134
MutualFundsMember
Restricted assets (including $809,958 for 2017 and $736,603 for 2016 at estimated fair value)	715,952	645,241
FixedMaturitySecuritiesMember
Restricted assets (including $809,958 for 2017 and $736,603 for 2016 at estimated fair value)	1,130,088	990,613
EquitySecurities1Member
Restricted assets (including $809,958 for 2017 and $736,603 for 2016 at estimated fair value)	94,006	91,362
ParticipatingInMortgageLoansWithSecurityNationalLifeMember
Restricted assets (including $809,958 for 2017 and $736,603 for 2016 at estimated fair value)	$ 1,701,811	$ 1,575,044