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Note 6 - Mortgage Loan Servicing (Tables)

12 Months Ended

Dec. 31, 2015

Mortgage Loan Servicing [Abstract]

Mortgage Loans Serviced For Others [Table Text Block]

		2015				2014
Mortgage loan portfolios serviced for:
Federal Home Loan Mortgage Corporation		$	598,510,000			$	589,118,000
Federal Home Loan Bank			4,675,000				1,702,000
Total mortgage loans serviced for others		$	603,185,000			$	590,820,000

Schedule of Servicing Assets at Fair Value [Table Text Block]

		2015				2014
Balance at beginning of year		$	6,712,000			$	0
Additions			1,487,000				575,000
Amortized to expense			(2,078,000	)			(1,252,000	)
Firstbank merger			0				7,389,000
Balance at end of year		$	6,121,000			$	6,712,000

Servicing Asset at Amortized Cost [Table Text Block]

2016		$	1,409,000
2017			1,146,000
2018			955,000
2019			804,000
2020			659,000
Thereafter			1,148,000

X

- References

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- Definition

Tabular disclosure on mortgage loan portfolios serviced for others.

+ References

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- Definition

Tabular disclosure of activity in the balance of servicing assets subsequently measured at amortized cost. Includes, but is not limited to, beginning and ending balances, additions, disposals, and amortization.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56950315&loc=d3e122739-111746

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- Definition

Tabular disclosure of the activity in the balance of servicing assets (including a description of where changes in fair value are reported in the statement of income for each period for which results of operations are presented), including but not limited to, the following: beginning and ending balances, additions (for instance, through purchases of servicing assets), disposals, changes in fair value during the period resulting from changes in inputs or assumptions used in the valuation model, other changes in fair value along with a description of those changes, and other changes that affect the balance along with a description of those changes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56950315&loc=d3e122625-111746

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