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Securities - Securities Available for Sale (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Amortized cost | $ 533,203 | $ 521,337
Unrealized gains | 10,617 | 2,853
Unrealized losses | (1,507) | (7,327)
Fair value | 542,313 | 516,863
U.S. Gov’t sponsored entities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized cost | 124,189 | 134,010
Unrealized gains | 2,924 | 254
Unrealized losses | (19) | (1,570)
Fair value | 127,094 | 132,694
State & political subdivisions |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized cost | 101,177 | 134,662
Unrealized gains | 3,288 | 1,942
Unrealized losses | (102) | (573)
Fair value | 104,363 | 136,031
Residential & multi-family mortgage |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized cost | 273,404 | 209,126
Unrealized gains | 4,117 | 500
Unrealized losses | (885) | (3,573)
Fair value | 276,636 | 206,053
Corporate notes & bonds |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized cost | 8,350 | 12,356
Unrealized gains | 14 | 22
Unrealized losses | (282) | (601)
Fair value | 8,082 | 11,777
Pooled SBA |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized cost | 25,063 | 30,163
Unrealized gains | 274 | 135
Unrealized losses | (163) | (924)
Fair value | 25,174 | 29,374
Other |  |
Debt Securities, Available-for-sale [Line Items] |  |
Amortized cost | 1,020 | 1,020
Unrealized gains | 0 | 0
Unrealized losses | (56) | (86)
Fair value | $ 964 | $ 934

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- Definition Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563 + Details
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- Definition Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563 + Details
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