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Note 6 - Mortgage Loan Servicing (Details) - Estimated Amortization	Dec. 31, 2015 USD ($)
Estimated Amortization [Abstract]
2016	$ 1,409,000
2017	1,146,000
2018	955,000
2019	804,000
2020	659,000
Thereafter	$ 1,148,000

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- Definition

Amount of amortization expense for mortgage servicing rights expected to be recognized after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of amortization expense for mortgage servicing rights expected to be recognized during the next fiscal year following the latest fiscal year.

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- Definition

Amount of amortization expense for mortgage servicing rights expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of amortization expense for mortgage servicing rights expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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- Definition

Amount of amortization expense for mortgage servicing rights expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for mortgage servicing rights to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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No definition available.

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