Note 10 - Fair Values of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping [Table Text Block]

	Level in	March 31, 2016				December 31, 2015
	Fair Value	Carrying		Fair		Carrying		Fair
	Hierarchy	Values		Values		Values		Values
Financial assets:
Cash	Level 1	$	12,146	$	12,146	$	12,496	$	12,496
Cash equivalents	Level 2		89,035		89,035		77,395		77,395
Securities available for sale	(1)		343,805		343,805		346,992		346,992
FHLBI stock	(2)		7,567		7,567		7,567		7,567
Loans, net	Level 3		2,278,862		2,275,910		2,260,730		2,259,710
Loans held for sale	Level 2		544		544		1,316		1,316
Bank owned life insurance	Level 2		59,248		59,248		58,971		58,971
Accrued interest receivable	Level 2		8,202		8,202		7,836		7,836
Financial liabilities:
Deposits	Level 2		2,265,122		2,205,359		2,275,382		2,208,724
Repurchase agreements	Level 2		162,312		162,312		154,771		154,771
FHLBI advances	Level 2		98,000		99,553		68,000		68,858
Subordinated debentures	Level 2		44,324		44,345		55,154		55,760
Accrued interest payable	Level 2		1,422		1,422		1,479		1,479
Interest rate swap	(1)		274		274		253		253