Fair Value of Assets and Liabilities - Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Fair value, assets and liabilities measured on recurring and non recurring basis
Trading securities		$ 1,539
Available-for-sale	$ 310,350	250,174
Equity securities	2,808	3,165
U.S. treasury and government agencies
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	21,240	19,142
Mortgage backed securities - Residential Agency
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	182,538	126,998
Mortgage backed securities - Commercial
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	30,685	28,767
Asset backed securities
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	144	399
Corporate bonds
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	7,095	8,481
Recurring
Fair value, assets and liabilities measured on recurring and non recurring basis
Equity securities	2,808	3,165
Total available-for-sale and equity securities	313,158	253,339
Derivates assets	1,621	12
Derivative liabilities	109	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	21,240	19,142
Recurring \| Obligations of state and political agencies
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	68,648	66,387
Recurring \| Mortgage backed securities - Residential Agency
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	182,538	126,998
Recurring \| Mortgage backed securities - Commercial
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	30,685	28,767
Recurring \| Asset backed securities
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	144	399
Recurring \| Corporate bonds
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	7,095	8,481
Recurring \| Level 1
Fair value, assets and liabilities measured on recurring and non recurring basis
Equity securities	2,808	3,165
Total available-for-sale and equity securities	2,808	3,165
Recurring \| Level 2
Fair value, assets and liabilities measured on recurring and non recurring basis
Total available-for-sale and equity securities	310,350	250,174
Derivates assets	1,621	12
Derivative liabilities	109	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	21,240	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	68,648	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	182,538	126,998
Recurring \| Level 2 \| Mortgage backed securities - Commercial
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	30,685	28,767
Recurring \| Level 2 \| Asset backed securities
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	144	399
Recurring \| Level 2 \| Corporate bonds
Fair value, assets and liabilities measured on recurring and non recurring basis
Available-for-sale	$ 7,095	$ 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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