Fair Value Measurements: Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Fair Value, Inputs, Level 1
Equities	$ 47
Fair Value, Inputs, Level 2
Equities	0
Fair Value, Inputs, Level 3
Equities	0
Fair Value, Measurements, Recurring
Equities	$ 47