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Securities - Schedule of Contractual Maturity of Securities Available for Sale, Excluding Equity Securities (Detail) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Amortized Cost |  |
1 year or less | $ 58,770 |
1 year – 5 years | 131,226 |
5 years – 10 years | 65,503 |
After 10 years | 5,521 |
Total, Amortized Cost | 261,020 |
Total debt securities | 498,814 | $ 521,337
Fair Value |  |
1 year or less | 58,412 |
1 year – 5 years | 131,749 |
5 years – 10 years | 67,547 |
After 10 years | 5,661 |
Total, Fair Value | 263,369 |
Total debt securities | 500,608 | 516,863
Residential and multi-family mortgage |  |
Amortized Cost |  |
Mortgage & asset backed securities, Amortized Cost | 207,588 |
Fair Value |  |
Mortgage & asset backed securities, Fair Value | 207,491 |
Pooled SBA |  |
Amortized Cost |  |
Mortgage & asset backed securities, Amortized Cost | 29,186 |
Total debt securities | 29,186 | 30,163
Fair Value |  |
Mortgage & asset backed securities, Fair Value | 28,801 |
Total debt securities | 28,801 | 29,374
Other |  |
Amortized Cost |  |
Mortgage & asset backed securities, Amortized Cost | 1,020 |
Total debt securities | 1,020 | 1,020
Fair Value |  |
Mortgage & asset backed securities, Fair Value | 947 |
Total debt securities | $ 947 | $ 934

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