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Securities Held-to-Maturity (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Held-to-Maturity |  |
Face Value | $ 210,728 | $ 140,124
Net Carrying Value | 140,484 | 95,524
Unrealized Gain | 9,427 |
Unrealized Loss |  | (1,396)
Estimated Fair Value | 149,911 | 94,128
Allowance for Credit Losses | 1,753 | 1,644
Held-to-maturity securities |  |
Held-to-Maturity |  |
Face Value | 85,700 |
B Piece bonds |  |
Held-to-Maturity |  |
Face Value | 61,360 | 76,497
Net Carrying Value | 47,615 | 57,839
Unrealized Gain | 4,420 | 709
Estimated Fair Value | 52,035 | 58,548
Allowance for Credit Losses | $ 331 | $ 621
Seven B Piece Bonds | Held-to-maturity securities |  |
Held-to-Maturity |  |
Bonds retained percentage | 49.00% |
Discounted value of bonds purchased | $ 74,700 |
Remaining of B Piece bond sold to the third party at par | 51.00% |
Estimated weighted average remaining maturity period | 6 years 2 months 12 days |
Initial face value of bonds purchased | $ 106,200 |
Agency B Piece Bonds | Held-to-maturity securities |  |
Held-to-Maturity |  |
Weighted average variable interest rate (as a percent) | 3.74% |
Weighted average effective interest rate (as a percent) | 11.32% | 10.85%
Held-to-maturity securities, estimated fiscal year |  |
Within one year | $ 11,200 |
After one year through five years | 28,800 |
After five years through ten years | 3,300 |
After ten years | 18,100 |
APL certificates |  |
Held-to-Maturity |  |
Face Value | 149,368 | $ 63,627
Net Carrying Value | 92,869 | 37,685
Unrealized Gain | 5,007 |
Unrealized Loss |  | (2,105)
Estimated Fair Value | 97,876 | 35,580
Allowance for Credit Losses | 1,422 | 1,023
APL certificates | Held-to-maturity securities |  |
Held-to-Maturity |  |
Face Value | 149,400 | $ 63,600
Net Carrying Value | $ 91,400 |
Weighted average variable interest rate (as a percent) | 4.12% |
Estimated weighted average remaining maturity period | 8 years 6 months |
Weighted average fixed interest rate | 9.11% | 10.15%
Held-to-maturity securities, estimated fiscal year |  |
After one year through five years | $ 3,600 |
After five years through ten years | $ 145,800 |
APL certificates | Held-to-maturity securities | Minimum |  |
Held-to-Maturity |  |
Securities maturity term | 5 years |
APL certificates | Held-to-maturity securities | Maximum |  |
Held-to-Maturity |  |
Securities maturity term | 10 years |

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