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Debt Securities Held-to-maturity - Weighted average yield and contractual maturities of debt securities HTM (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Amortized cost |  |
Amortized cost - Within 1 year | $ 4,245 |
Amortized cost - After 1 to 5 years | 17,625 |
Amortized cost - After 5 to 10 years | 18,195 |
Amortized cost - After 10 years | 57,597 |
Amortized Cost | 97,662 | $ 101,575
Gross unrecognized gains |  |
Gross Unrealized Gains | 9,386 | 3,946
Gross unrealized losses |  |
Gross Unrealized Losses | 1,938 | 2,868
Fair Value |  |
Fair Value - within 1 year | 4,234 |
Fair Value - After 1 to 5 years | 17,307 |
Fair Value - After 5 to 10 years | 16,588 |
Fair Value - After 10 years | 66,981 |
Fair value | $ 105,110 | $ 102,653
Weighted Average Yield |  |
Weighted Average Yield | 3.49% | 3.60%
Obligations of Puerto Rico, States and political subdivisions |  |
Amortized cost |  |
Amortized cost - Within 1 year | $ 3,745 | $ 3,510
Amortized cost - After 1 to 5 years | 17,580 | 16,505
Amortized cost - After 5 to 10 years | 18,195 | 23,885
Amortized cost - After 10 years | 46,036 | 45,559
Amortized Cost | 85,556 | 89,459
Gross unrecognized gains |  |
Gross unrealized gains - Within 1 year | 0 | 0
Gross unrealized gains - After 1 to 5 years | 0 | 0
Gross unrealized gains - After 5 to 10 years | 0 | 0
Gross unrealized gains - After 10 years | 9,384 | 3,943
Gross Unrealized Gains | 9,384 | 3,943
Gross unrealized losses |  |
Gross unrealized losses - Within 1 year | 11 | 36
Gross unrealized losses - After 1 to 5 years | 320 | 1,081
Gross unrealized losses - After 5 to 10 years | 1,607 | 1,704
Gross unrealized losses - After 10 years | 0 | 47
Gross Unrealized Losses | 1,938 | 2,868
Fair Value |  |
Fair Value - within 1 year | 3,734 | 3,474
Fair Value - After 1 to 5 years | 17,260 | 15,424
Fair Value - After 5 to 10 years | 16,588 | 22,181
Fair Value - After 10 years | 55,420 | 49,455
Fair value | $ 93,002 | $ 90,534
Weighted Average Yield |  |
Weighted average yield - Within 1 Year | 6.01% | 5.99%
Weighted average yield - After 1 to 5 years | 6.11% | 6.07%
Weighted average yield - After 5 to 10 years | 3.11% | 3.61%
Weighted average yield - After 10 years | 1.67% | 1.79%
Weighted Average Yield | 3.08% | 3.23%
Collateralized Mortgage Obligations - Federal agencies |  |
Amortized cost |  |
Amortized cost - After 1 to 5 years | $ 45 |
Amortized cost - After 5 to 10 years |  | $ 55
Amortized Cost | 45 | 55
Gross unrecognized gains |  |
Gross unrealized gains - After 1 to 5 years | 2 |
Gross unrealized gains - After 5 to 10 years |  | 3
Gross Unrealized Gains | 2 | 3
Gross unrealized losses |  |
Gross unrealized losses - After 1 to 5 years | 0 |
Gross unrealized losses - After 5 to 10 years |  | 0
Gross Unrealized Losses | 0 | 0
Fair Value |  |
Fair Value - After 1 to 5 years | 47 |
Fair Value - After 5 to 10 years |  | 58
Fair value | $ 47 | $ 58
Weighted Average Yield |  |
Weighted average yield - After 1 to 5 years | 6.44% |
Weighted average yield - After 5 to 10 years |  | 5.45%
Weighted Average Yield | 6.44% | 5.45%
Securities in wholly owned statutory business trusts |  |
Amortized cost |  |
Amortized cost - After 10 years | $ 11,561 | $ 11,561
Amortized Cost | 11,561 | 11,561
Gross unrecognized gains |  |
Gross unrealized gains - After 10 years | 0 | 0
Gross Unrealized Gains | 0 | 0
Gross unrealized losses |  |
Gross unrealized losses - After 10 years | 0 | 0
Gross Unrealized Losses | 0 | 0
Fair Value |  |
Fair Value - After 10 years | 11,561 | 11,561
Fair value | $ 11,561 | $ 11,561
Weighted Average Yield |  |
Weighted average yield - After 10 years | 6.51% | 6.51%
Weighted Average Yield | 6.51% | 6.51%
Other |  |
Amortized cost |  |
Amortized cost - Within 1 year | $ 500 |
Amortized cost - After 1 to 5 years |  | $ 500
Amortized Cost | 500 | 500
Gross unrecognized gains |  |
Gross unrealized gains - Within 1 year | 0 |
Gross unrealized gains - After 1 to 5 years |  | 0
Gross Unrealized Gains | 0 | 0
Gross unrealized losses |  |
Gross unrealized losses - Within 1 year | 0 |
Gross unrealized losses - After 1 to 5 years |  | 0
Gross Unrealized Losses | 0 | 0
Fair Value |  |
Fair Value - within 1 year | 500 |
Fair Value - After 1 to 5 years |  | 500
Fair value | $ 500 | $ 500
Weighted Average Yield |  |
Weighted average yield - Within 1 Year | 2.97% |
Weighted average yield - After 1 to 5 years |  | 2.97%
Weighted Average Yield | 2.97% | 2.97%

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