FAIR VALUE MEASUREMENTS: Level 4 (Details) - USD ($)	Sep. 30, 2015	Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount	$ 0	$ 0
Derivative Assets	414,000	634,000
Money market funds	15,092,000	100,000
Trading Securities	102,000	141,000
Available-for-sale Securities: Equity securities	42,496,000	44,942,000
Derivative Liabilities	3,678,000	3,961,000
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets	350,000	506,000
Money market funds	15,092,000	100,000
Trading Securities	102,000	141,000
Available-for-sale Securities: Equity securities	42,496,000	44,942,000
Derivative Liabilities	24,000	17,000
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets	64,000	128,000
Money market funds	0	0
Trading Securities	0	0
Available-for-sale Securities: Equity securities	0	0
Derivative Liabilities	3,654,000	3,944,000
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Assets	0	0
Money market funds	0	0
Trading Securities	0	0
Available-for-sale Securities: Equity securities	0	0
Derivative Liabilities	$ 0	$ 0