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Investment Securities - Available for Sale (Details) $ in Thousands | Sep. 30, 2020 USD ($) security | Dec. 31, 2019 USD ($) security | Sep. 30, 2019 USD ($) security
--- | --- | --- | ---
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | $ 366,481 | $ 356,710 | $ 313,342
Gross Unrealized Gains | 8,884 | 1,904 | 1,535
Gross Unrealized Losses | (437) | (1,280) | (695)
Available-for-Sale at Fair Value | 374,928 | 357,334 | 314,182
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 7,451 |  |
From 1 - 5 Years | 317,270 |  |
From 5 - 10 Years | 41,760 |  |
Over 10 Years | 0 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 7,643 |  |
From 1 - 5 Years | 325,858 |  |
From 5 - 10 Years | 41,427 |  |
Over 10 Years | 0 |  |
Securities in a Continuous Loss Position, at Fair Value: |  |  |
Less than 12 Months | 43,829 | 52,491 | 4,763
12 Months or Longer | 55,039 | 97,964 | 115,283
Total | $ 98,868 | $ 150,455 | $ 120,046
Number of Securities in a Continuous Loss Position | security | 31 | 55 | 49
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |
Less than 12 Months | $ 54 | $ 317 | $ 70
12 Months or Longer | 383 | 963 | 625
Total | 437 | 1,280 | 695
Collateral Pledged |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, Pledged as Collateral, at Fair Value | 308,879 | 164,426 | 232,043
U.S. Government & Agency Obligations |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 35,001 | 5,002 | 5,003
Gross Unrealized Gains | 184 | 52 | 53
Gross Unrealized Losses | (18) | 0 | 0
Available-for-Sale at Fair Value | 35,167 | 5,054 | 5,056
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 0 |  |
From 1 - 5 Years | 20,001 |  |
From 5 - 10 Years | 15,000 |  |
Over 10 Years | 0 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 0 |  |
From 1 - 5 Years | 20,171 |  |
From 5 - 10 Years | 14,996 |  |
Over 10 Years | 0 |  |
Securities in a Continuous Loss Position, at Fair Value: |  |  |
Less than 12 Months | 29,982 | 0 | 0
12 Months or Longer | 0 | 0 | 0
Total | $ 29,982 | $ 0 | $ 0
Number of Securities in a Continuous Loss Position | security | 4 | 0 | 0
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |
Less than 12 Months | $ 18 | $ 0 | $ 0
12 Months or Longer | 0 | 0 | 0
Total | 18 | 0 | 0
U.S. Government & Agency Obligations | Agency Securities |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 35,001 | 5,002 | 5,003
Available-for-Sale at Fair Value | 35,167 | 5,054 | 5,056
State and Municipal Obligations |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 593 | 764 | 965
Gross Unrealized Gains | 0 | 0 | 0
Gross Unrealized Losses | 0 | 0 | 0
Available-for-Sale at Fair Value | 593 | 764 | 965
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 68 |  |
From 1 - 5 Years | 125 |  |
From 5 - 10 Years | 400 |  |
Over 10 Years | 0 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 68 |  |
From 1 - 5 Years | 125 |  |
From 5 - 10 Years | 400 |  |
Over 10 Years | 0 |  |
Securities in a Continuous Loss Position, at Fair Value: |  |  |
Less than 12 Months | 0 | 0 | 0
12 Months or Longer | 0 | 0 | 0
Total | $ 0 | $ 0 | $ 0
Number of Securities in a Continuous Loss Position | security | 0 | 0 | 0
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |
Less than 12 Months | $ 0 | $ 0 | $ 0
12 Months or Longer | 0 | 0 | 0
Total | 0 | 0 | 0
Mortgage- Backed Securities |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 329,887 | 349,944 | 306,374
Gross Unrealized Gains | 8,700 | 1,852 | 1,482
Gross Unrealized Losses | (219) | (1,080) | (495)
Available-for-Sale at Fair Value | 338,368 | 350,716 | 307,361
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 7,383 |  |
From 1 - 5 Years | 297,144 |  |
From 5 - 10 Years | 25,360 |  |
Over 10 Years | 0 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 7,575 |  |
From 1 - 5 Years | 305,562 |  |
From 5 - 10 Years | 25,231 |  |
Over 10 Years | 0 |  |
Securities in a Continuous Loss Position, at Fair Value: |  |  |
Less than 12 Months | 13,847 | 52,491 | 4,763
12 Months or Longer | 54,239 | 97,164 | 114,483
Total | $ 68,086 | $ 149,655 | $ 119,246
Number of Securities in a Continuous Loss Position | security | 26 | 54 | 48
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |
Less than 12 Months | $ 36 | $ 317 | $ 70
12 Months or Longer | 183 | 763 | 425
Total | 219 | 1,080 | 495
Mortgage- Backed Securities | US Government Agencies Debt Securities |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 69,575 | 61,102 | 64,455
Available-for-Sale at Fair Value | 69,407 | 60,616 | 64,364
Mortgage- Backed Securities | US Government-sponsored Enterprises Debt Securities |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 260,312 | 288,842 | 241,919
Available-for-Sale at Fair Value | 268,961 | 290,100 | 242,997
Corporate and Other Debt Securities |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 1,000 | 1,000 | 1,000
Gross Unrealized Gains | 0 | 0 | 0
Gross Unrealized Losses | (200) | (200) | (200)
Available-for-Sale at Fair Value | 800 | 800 | 800
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 0 |  |
From 1 - 5 Years | 0 |  |
From 5 - 10 Years | 1,000 |  |
Over 10 Years | 0 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 0 |  |
From 1 - 5 Years | 0 |  |
From 5 - 10 Years | 800 |  |
Over 10 Years | 0 |  |
Securities in a Continuous Loss Position, at Fair Value: |  |  |
Less than 12 Months | 0 | 0 | 0
12 Months or Longer | 800 | 800 | 800
Total | $ 800 | $ 800 | $ 800
Number of Securities in a Continuous Loss Position | security | 1 | 1 | 1
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |
Less than 12 Months | $ 0 | $ 0 | $ 0
12 Months or Longer | 200 | 200 | 200
Total | $ 200 | $ 200 | $ 200

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