Fair value portion of impaired loans.

No definition available.

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- Definition

Fair value portion of other real estate owned.

+ References

No definition available.

+ Details

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- Definition

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118954083&loc=d3e26610-111562

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563

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- Definition

Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745

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-SubTopic 50
-Section 50
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-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=116651436&loc=d3e122625-111746

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Note 17 - Fair Value Measurements - Financial Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Available-for-sale securities, Fair Value	$ 183,611	$ 167,354
Mortgage servicing rights	1,061	1,313	$ 1,270	$ 1,247
Total recurring	805,593	752,864
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, Fair Value	72,554	59,466
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities, Fair Value	110,041	106,924
Other Debt Obligations [Member]
Available-for-sale securities, Fair Value	1,016	964
Fair Value, Recurring [Member]
Mortgage servicing rights	1,061	1,313
Total recurring	184,672	168,667
Fair Value, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, Fair Value	72,554	59,466
Fair Value, Recurring [Member] \| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities, Fair Value	110,041	106,924
Fair Value, Recurring [Member] \| Other Debt Obligations [Member]
Available-for-sale securities, Fair Value	1,016	964
Fair Value, Nonrecurring [Member]
Total recurring		352
Impaired loans	1,495	244
Other real estate owned		108
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member]
Mortgage servicing rights
Total recurring	1,014	962
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, Fair Value
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities, Fair Value
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Recurring [Member] \| Other Debt Obligations [Member]
Available-for-sale securities, Fair Value	1,014	962
Fair Value, Inputs, Level 1 [Member] \| Fair Value, Nonrecurring [Member]
Total recurring
Impaired loans
Other real estate owned
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member]
Mortgage servicing rights
Total recurring	182,597	166,392
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, Fair Value	72,554	59,466
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities, Fair Value	110,041	106,924
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Recurring [Member] \| Other Debt Obligations [Member]
Available-for-sale securities, Fair Value	2	2
Fair Value, Inputs, Level 2 [Member] \| Fair Value, Nonrecurring [Member]
Total recurring
Impaired loans
Other real estate owned
Fair Value, Inputs, Level 3 [Member]
Mortgage servicing rights	1,061	1,313	$ 1,270	$ 1,247
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member]
Mortgage servicing rights	1,061	1,313
Total recurring	1,061	1,313
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| US States and Political Subdivisions Debt Securities [Member]
Available-for-sale securities, Fair Value
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Available-for-sale securities, Fair Value
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Recurring [Member] \| Other Debt Obligations [Member]
Available-for-sale securities, Fair Value
Fair Value, Inputs, Level 3 [Member] \| Fair Value, Nonrecurring [Member]
Total recurring		352
Impaired loans	$ 1,495	244
Other real estate owned		$ 108