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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, 2021 | Dec. 31, 2020 | Jan. 02, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Amortized cost |  |  |  |
Amortized cost - Within 1 year | $ 4,240 |  |  |
Amortized cost - After 1 to 5 years | 14,420 |  |  |
Amortized cost - After 5 to 10 years | 11,280 |  |  |
Amortized cost - After 10 years | 49,521 |  |  |
Debt securities held-to-maturity, at amortized cost (includes $3,125 in common securities from statutory trusts (2020 - $8,726)) | 79,461 | $ 92,621 |  |
Allowance for credit losses |  |  |  |
Less - Allowance for credit losses | 8,096 | 10,261 | $ 13,000 |
Net of Allowance |  |  |  |
Net of Allowance | 71,365 | 82,360 |  |
Gross unrecognized gains |  |  |  |
Gross Unrealized Gains | 12,003 | 12,554 |  |
Gross unrealized losses |  |  |  |
Gross Unrealized Losses | 0 | 23 |  |
Fair Value |  |  |  |
Fair Value - within 1 year | 4,237 |  |  |
Fair Value - After 1 to 5 years | 14,421 |  |  |
Fair Value - After 5 to 10 years | 11,262 |  |  |
Fair Value - After 10 years | 53,448 |  |  |
Fair value | $ 83,368 | $ 94,891 |  |
Weighted Average Yield |  |  |  |
Weighted Average Yield | 3.06% | 3.38% |  |
Obligations of Puerto Rico, States and political subdivisions |  |  |  |
Amortized cost |  |  |  |
Amortized cost - Within 1 year | $ 4,240 | $ 3,990 |  |
Amortized cost - After 1 to 5 years | 14,395 | 16,030 |  |
Amortized cost - After 5 to 10 years | 11,280 | 14,845 |  |
Amortized cost - After 10 years | 43,561 | 46,164 |  |
Debt securities held-to-maturity, at amortized cost (includes $3,125 in common securities from statutory trusts (2020 - $8,726)) | 73,476 | 81,029 |  |
Allowance for credit losses |  |  |  |
Allowance for credit losses - Within 1 Year | 7 | 50 |  |
Allowance for credit losses - After 1 to 5 years | 148 | 710 |  |
Allowance for credit losses - After 5 to 10 years | 122 | 573 |  |
Allowance for credit losses - After 10 years | 7,819 | 8,928 |  |
Less - Allowance for credit losses | 8,096 | 10,261 |  | $ 0
Net of Allowance |  |  |  |
Net of Allowance - Within 1 Year | 4,233 | 3,940 |  |
Net of Allowance - After 1 to 5 Years | 14,247 | 15,320 |  |
Net of Allowance - After 5 to 10 Years | 11,158 | 14,272 |  |
Net of Allowance - After 10 Years | 35,742 | 37,236 |  |
Net of Allowance | 65,380 | 70,768 |  |
Gross unrecognized gains |  |  |  |
Gross unrealized gains - Within 1 year | 4 | 47 |  |
Gross unrealized gains - After 1 to 5 years | 149 | 710 |  |
Gross unrealized gains - After 5 to 10 years | 104 | 295 |  |
Gross unrealized gains - After 10 years | 11,746 | 11,501 |  |
Gross Unrealized Gains | 12,003 | 12,553 |  |
Gross unrealized losses |  |  |  |
Gross unrealized losses - Within 1 year | 0 | 0 |  |
Gross unrealized losses - After 1 to 5 years | 0 | 0 |  |
Gross unrealized losses - After 5 to 10 years | 0 | 23 |  |
Gross unrealized losses - After 10 years | 0 | 0 |  |
Gross Unrealized Losses | 0 | 23 |  |
Fair Value |  |  |  |
Fair Value - within 1 year | 4,237 | 3,987 |  |
Fair Value - After 1 to 5 years | 14,396 | 16,030 |  |
Fair Value - After 5 to 10 years | 11,262 | 14,544 |  |
Fair Value - After 10 years | 47,488 | 48,737 |  |
Fair value | $ 77,383 | $ 83,298 |  |
Weighted Average Yield |  |  |  |
Weighted average yield - Within 1 Year | 6.07% | 6.05% |  |
Weighted average yield - After 1 to 5 years | 6.23% | 6.16% |  |
Weighted average yield - After 5 to 10 years | 2.18% | 2.77% |  |
Weighted average yield - After 10 years | 1.50% | 1.58% |  |
Weighted Average Yield | 2.79% | 2.93% |  |
Collateralized Mortgage Obligations - Federal agencies |  |  |  |
Amortized cost |  |  |  |
Amortized cost - After 1 to 5 years | $ 25 | $ 31 |  |
Debt securities held-to-maturity, at amortized cost (includes $3,125 in common securities from statutory trusts (2020 - $8,726)) | 25 | 31 |  |
Allowance for credit losses |  |  |  |
Allowance for credit losses - After 1 to 5 years | 0 | 0 |  |
Less - Allowance for credit losses | 0 | 0 |  |
Net of Allowance |  |  |  |
Net of Allowance - After 1 to 5 Years | 25 | 31 |  |
Net of Allowance | 25 | 31 |  |
Gross unrecognized gains |  |  |  |
Gross unrealized gains - After 1 to 5 years | 0 | 1 |  |
Gross Unrealized Gains | 0 | 1 |  |
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 | 25 | 32 |  |
Fair value | $ 25 | $ 32 |  |
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 | $ 5,960 | $ 11,561 |  |
Debt securities held-to-maturity, at amortized cost (includes $3,125 in common securities from statutory trusts (2020 - $8,726)) | 5,960 | 11,561 |  |
Allowance for credit losses |  |  |  |
Allowance for credit losses - After 10 years | 0 | 0 |  |
Less - Allowance for credit losses | 0 | 0 |  |
Net of Allowance |  |  |  |
Net of Allowance - After 10 Years | 5,960 | 11,561 |  |
Net of Allowance | 5,960 | 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 | 5,960 | 11,561 |  |
Fair value | $ 5,960 | $ 11,561 |  |
Weighted Average Yield |  |  |  |
Weighted average yield - After 10 years | 6.33% | 6.51% |  |
Weighted Average Yield | 6.33% | 6.51% |  |

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- Definition Weighted average yield of investment in debt security measured at amortized cost (held-to-maturity) maturing after tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph (a) -Subparagraph (4) Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Industry Guide -Number 3 -Section II -Paragraph B + Details
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