Investments: Schedule of Available for sale Securities in Continuous Unrealized Loss positions (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Less than twelve months, Fair Value	$ 75,084,000	$ 3,924,000
Less than twelve months, Unrealized Loss	(706,000)	(10,000)
Twelve months or longer, Fair Value	3,233,000	27,278,000
Twelve months or longer, Unrealized Loss	(85,000)	(377,000)
Fair Value	78,317,000	31,202,000
Unrealized Loss	(791,000)	(387,000)
Mortgage-backed investments, Fannie Mae
Less than twelve months, Fair Value	37,593,000	0
Less than twelve months, Unrealized Loss	(227,000)	0
Twelve months or longer, Fair Value	0	1,456,000
Twelve months or longer, Unrealized Loss	0	(30,000)
Fair Value	37,593,000	1,456,000
Unrealized Loss	(227,000)	(30,000)
Mortgage-backed investments, Freddie Mac
Less than twelve months, Fair Value	12,115,000	0
Less than twelve months, Unrealized Loss	(117,000)	0
Twelve months or longer, Fair Value	0	1,832,000
Twelve months or longer, Unrealized Loss	0	(22,000)
Fair Value	12,115,000	1,832,000
Unrealized Loss	(117,000)	(22,000)
Mortgage backed investments Ginnie Mae
Less than twelve months, Fair Value	5,508,000	1,883,000
Less than twelve months, Unrealized Loss	(29,000)	(6,000)
Twelve months or longer, Fair Value	3,233,000	9,952,000
Twelve months or longer, Unrealized Loss	(85,000)	(116,000)
Fair Value	8,741,000	11,835,000
Unrealized Loss	(114,000)	(122,000)
Municipal Bonds
Less than twelve months, Fair Value	0	0
Less than twelve months, Unrealized Loss	0	0
Twelve months or longer, Fair Value	0	0
Twelve months or longer, Unrealized Loss	0	0
Fair Value	0	0
Unrealized Loss	0	0
US Government agencies
Less than twelve months, Fair Value	9,605,000	545,000
Less than twelve months, Unrealized Loss	(88,000)	0
Twelve months or longer, Fair Value	0	8,096,000
Twelve months or longer, Unrealized Loss	0	(151,000)
Fair Value	9,605,000	8,641,000
Unrealized Loss	(88,000)	(151,000)
Corporate Bonds
Less than twelve months, Fair Value	10,263,000	1,496,000
Less than twelve months, Unrealized Loss	(245,000)	(4,000)
Twelve months or longer, Fair Value	0	5,942,000
Twelve months or longer, Unrealized Loss	0	(58,000)
Fair Value	10,263,000	7,438,000
Unrealized Loss	$ (245,000)	$ (62,000)