Note 2: Available-for-sale Securities: Schedule of Unrealized Loss On Investments Table (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
US Government-sponsored Enterprises Debt Securities
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 6,457
Available-for-sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregated Losses	12
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	6,457
Available for sale Securities Continuous Unrealized Loss Position Aggregate Losses	12
US States and Political Subdivisions Debt Securities
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	12,341	$ 720
Available-for-sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregated Losses	127	3
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	256
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	12,597	720
Available for sale Securities Continuous Unrealized Loss Position Aggregate Losses	127	3
Other Securities
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	1,160
Available-for-sale Securities Continuous Unrealized Loss Position 12 Months or Longer Aggregated Losses	598
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	1,160
Available for sale Securities Continuous Unrealized Loss Position Aggregate Losses	598
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	29,836	2,912
Available-for-sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregated Losses	267	4
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	2,285
Available-for-sale Securities Continuous Unrealized Loss Position 12 Months or Longer Aggregated Losses	36
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	32,121	2,912
Available for sale Securities Continuous Unrealized Loss Position Aggregate Losses	303	4
Total Investments Mortgage Backed Securities
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	48,634	3,632
Available-for-sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregated Losses	406	7
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	3,701	1,080
Available-for-sale Securities Continuous Unrealized Loss Position 12 Months or Longer Aggregated Losses	634	776
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	52,335	4,712
Available for sale Securities Continuous Unrealized Loss Position Aggregate Losses	$ 1,040	783
Other Debt Obligations
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		1,080
Available-for-sale Securities Continuous Unrealized Loss Position 12 Months or Longer Aggregated Losses		776
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		1,080
Available for sale Securities Continuous Unrealized Loss Position Aggregate Losses		$ 776