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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, 2020 | Jan. 02, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Amortized cost |  |  |
Amortized cost - Within 1 year | $ 3,990 |  |
Amortized cost - After 1 to 5 years | 16,061 |  |
Amortized cost - After 5 to 10 years | 14,845 |  |
Amortized cost - After 10 years | 57,725 |  |
Amortized Cost | 92,621 |  | $ 97,662
Allowance for credit losses |  |  |
Less - Allowance for credit losses | 10,261 | $ 13,000 | 0
Net of Allowance |  |  |
Net of Allowance | 82,360 |  | 97,662
Gross unrecognized gains |  |  |
Gross Unrealized Gains | 12,554 |  | 9,386
Gross unrealized losses |  |  |
Gross Unrealized Losses | 23 |  | 1,938
Fair Value |  |  |
Fair Value - within 1 year | 3,987 |  |
Fair Value - After 1 to 5 years | 16,062 |  |
Fair Value - After 5 to 10 years | 14,544 |  |
Fair Value - After 10 years | 60,298 |  |
Fair value | $ 94,891 |  | $ 105,110
Weighted Average Yield |  |  |
Weighted Average Yield | 3.38% |  | 3.49%
Obligations of Puerto Rico, States and political subdivisions |  |  |
Amortized cost |  |  |
Amortized cost - Within 1 year | $ 3,990 |  | $ 3,745
Amortized cost - After 1 to 5 years | 16,030 |  | 17,580
Amortized cost - After 5 to 10 years | 14,845 |  | 18,195
Amortized cost - After 10 years | 46,164 |  | 46,036
Amortized Cost | 81,029 |  | 85,556
Allowance for credit losses |  |  |
Allowance for credit losses - Within 1 Year | 50 |  |
Allowance for credit losses - After 1 to 5 years | 710 |  |
Allowance for credit losses - After 5 to 10 years | 573 |  |
Allowance for credit losses - After 10 years | 8,928 |  |
Less - Allowance for credit losses | 10,261 |  | 0
Net of Allowance |  |  |
Net of Allowance - Within 1 Year | 3,940 |  |
Net of Allowance - After 1 to 5 Years | 15,320 |  |
Net of Allowance - After 5 to 10 Years | 14,272 |  |
Net of Allowance - After 10 Years | 37,236 |  |
Net of Allowance | 70,768 |  |
Gross unrecognized gains |  |  |
Gross unrealized gains - Within 1 year | 47 |  | 0
Gross unrealized gains - After 1 to 5 years | 710 |  | 0
Gross unrealized gains - After 5 to 10 years | 295 |  | 0
Gross unrealized gains - After 10 years | 11,501 |  | 9,384
Gross Unrealized Gains | 12,553 |  | 9,384
Gross unrealized losses |  |  |
Gross unrealized losses - Within 1 year | 0 |  | 11
Gross unrealized losses - After 1 to 5 years | 0 |  | 320
Gross unrealized losses - After 5 to 10 years | 23 |  | 1,607
Gross unrealized losses - After 10 years | 0 |  | 0
Gross Unrealized Losses | 23 |  | 1,938
Fair Value |  |  |
Fair Value - within 1 year | 3,987 |  | 3,734
Fair Value - After 1 to 5 years | 16,030 |  | 17,260
Fair Value - After 5 to 10 years | 14,544 |  | 16,588
Fair Value - After 10 years | 48,737 |  | 55,420
Fair value | $ 83,298 |  | $ 93,002
Weighted Average Yield |  |  |
Weighted average yield - Within 1 Year | 6.05% |  | 6.01%
Weighted average yield - After 1 to 5 years | 6.16% |  | 6.11%
Weighted average yield - After 5 to 10 years | 2.77% |  | 3.11%
Weighted average yield - After 10 years | 1.58% |  | 1.67%
Weighted Average Yield | 2.93% |  | 3.08%
Collateralized Mortgage Obligations - Federal agencies |  |  |
Amortized cost |  |  |
Amortized cost - After 1 to 5 years | $ 31 |  | $ 45
Amortized Cost | 31 |  | 45
Allowance for credit losses |  |  |
Allowance for credit losses - After 1 to 5 years | 0 |  |
Less - Allowance for credit losses | 0 |  |
Net of Allowance |  |  |
Net of Allowance - After 1 to 5 Years | 31 |  |
Net of Allowance | 31 |  |
Gross unrecognized gains |  |  |
Gross unrealized gains - After 1 to 5 years | 1 |  | 2
Gross Unrealized Gains | 1 |  | 2
Gross unrealized losses |  |  |
Gross unrealized losses - After 1 to 5 years | 0 |  | 0
Gross Unrealized Losses | 0 |  | 0
Fair Value |  |  |
Fair Value - After 1 to 5 years | 32 |  | 47
Fair value | $ 32 |  | $ 47
Weighted Average Yield |  |  |
Weighted average yield - After 1 to 5 years | 6.44% |  | 6.44%
Weighted Average Yield | 6.44% |  | 6.44%
Securities in wholly owned statutory business trusts |  |  |
Amortized cost |  |  |
Amortized cost - After 10 years | $ 11,561 |  | $ 11,561
Amortized Cost | 11,561 |  | 11,561
Allowance for credit losses |  |  |
Allowance for credit losses - After 10 years | 0 |  |
Less - Allowance for credit losses | 0 |  |
Net of Allowance |  |  |
Net of Allowance - After 10 Years | 11,561 |  |
Net of Allowance | 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 |  |  | 500
Gross unrecognized gains |  |  |
Gross unrealized gains - Within 1 year |  |  | 0
Gross Unrealized Gains |  |  | 0
Gross unrealized losses |  |  |
Gross unrealized losses - Within 1 year |  |  | 0
Gross Unrealized Losses |  |  | 0
Fair Value |  |  |
Fair Value - within 1 year |  |  | 500
Fair value |  |  | $ 500
Weighted Average Yield |  |  |
Weighted average yield - Within 1 Year |  |  | 2.97%
Weighted Average Yield |  |  | 2.97%

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