Fair Value of Assets and Liabilities - Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Fair value, assets and liabilities measured on recurring and non recurring basis
Trading securities		$ 1,539
Available-for-sale	$ 278,716	250,174
Equity securities	2,675	3,165
U.S. treasury and government agencies
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	21,602	19,142
Mortgage backed securities - Residential Agency
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	169,337	126,998
Mortgage backed securities - Commercial
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	32,652	28,767
Asset backed securities
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	157	399
Corporate bonds
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	7,112	8,481
Recurring
Fair value, assets and liabilities measured on recurring and non recurring basis
Equity securities	2,675	3,165
Total available-for-sale and equity securities	281,391	253,339
Derivates assets	2,483	12
Derivative liabilities	104	7
Recurring \| U.S. treasury and government agencies
Fair value, assets and liabilities measured on recurring and non recurring basis
Trading securities		1,539
Available-for-sale	21,602	19,142
Recurring \| Obligations of state and political agencies
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	47,856	66,387
Recurring \| Mortgage backed securities - Residential Agency
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	169,337	126,998
Recurring \| Mortgage backed securities - Commercial
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	32,652	28,767
Recurring \| Asset backed securities
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	157	399
Recurring \| Corporate bonds
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	7,112	8,481
Recurring \| Level 1
Fair value, assets and liabilities measured on recurring and non recurring basis
Equity securities	2,675	3,165
Total available-for-sale and equity securities	2,675	3,165
Recurring \| Level 2
Fair value, assets and liabilities measured on recurring and non recurring basis
Total available-for-sale and equity securities	278,716	250,174
Derivates assets	2,483	12
Derivative liabilities	104	7
Recurring \| Level 2 \| U.S. treasury and government agencies
Fair value, assets and liabilities measured on recurring and non recurring basis
Trading securities		1,539
Available-for-sale	21,602	19,142
Recurring \| Level 2 \| Obligations of state and political agencies
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	47,856	66,387
Recurring \| Level 2 \| Mortgage backed securities - Residential Agency
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	169,337	126,998
Recurring \| Level 2 \| Mortgage backed securities - Commercial
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	32,652	28,767
Recurring \| Level 2 \| Asset backed securities
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	157	399
Recurring \| Level 2 \| Corporate bonds
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	$ 7,112	$ 8,481

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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