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Investment Securities - Available for Sale (Details) $ in Thousands | Mar. 31, 2020 USD ($) security | Dec. 31, 2019 USD ($) security | Mar. 31, 2019 USD ($) security
--- | --- | --- | ---
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | $ 372,058 | $ 356,710 | $ 300,980
Gross Unrealized Gains | 7,663 | 1,904 | 659
Gross Unrealized Losses | (1,535) | (1,280) | (2,827)
Available-for-Sale at Fair Value | 378,186 | 357,334 | 298,812
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 14,227 |  |
From 1 - 5 Years | 330,493 |  |
From 5 - 10 Years | 26,898 |  |
Over 10 Years | 440 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 14,642 |  |
From 1 - 5 Years | 336,860 |  |
From 5 - 10 Years | 26,244 |  |
Over 10 Years | 440 |  |
Securities in a Continuous Loss Position, at Fair Value: |  |  |
Less than 12 Months | 18,846 | 52,491 | 53,131
12 Months or Longer | 60,062 | 97,964 | 191,291
Total | $ 78,908 | $ 150,455 | $ 244,422
Number of Securities in a Continuous Loss Position | security | 28 | 55 | 88
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |
Less than 12 Months | $ 316 | $ 317 | $ 258
12 Months or Longer | 1,219 | 963 | 2,569
Total | 1,535 | 1,280 | 2,827
Collateral Pledged |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, Pledged as Collateral, at Fair Value | 273,124 | 164,426 | 255,028
U.S. Government & Agency Obligations |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 5,002 | 5,002 | 35,519
Gross Unrealized Gains | 179 | 52 | 0
Gross Unrealized Losses | 0 | 0 | (136)
Available-for-Sale at Fair Value | 5,181 | 5,054 | 35,383
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 0 |  |
From 1 - 5 Years | 5,002 |  |
From 5 - 10 Years | 0 |  |
Over 10 Years | 0 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 0 |  |
From 1 - 5 Years | 5,181 |  |
From 5 - 10 Years | 0 |  |
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 | 35,383
Total | $ 0 | $ 0 | $ 35,383
Number of Securities in a Continuous Loss Position | security | 0 | 0 | 7
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |
Less than 12 Months | $ 0 | $ 0 | $ 0
12 Months or Longer | 0 | 0 | 136
Total | 0 | 0 | 136
U.S. Government & Agency Obligations | Agency Securities |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 5,002 | 5,002 | 35,519
Available-for-Sale at Fair Value | 5,181 | 5,054 | 35,383
State and Municipal Obligations |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 723 | 764 | 1,114
Gross Unrealized Gains | 0 | 0 | 2
Gross Unrealized Losses | 0 | 0 | 0
Available-for-Sale at Fair Value | 723 | 764 | 1,116
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 26 |  |
From 1 - 5 Years | 257 |  |
From 5 - 10 Years | 0 |  |
Over 10 Years | 440 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 26 |  |
From 1 - 5 Years | 257 |  |
From 5 - 10 Years | 0 |  |
Over 10 Years | 440 |  |
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 | 365,333 | 349,944 | 263,347
Gross Unrealized Gains | 7,484 | 1,852 | 657
Gross Unrealized Losses | (1,335) | (1,080) | (2,491)
Available-for-Sale at Fair Value | 371,482 | 350,716 | 261,513
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 14,201 |  |
From 1 - 5 Years | 325,234 |  |
From 5 - 10 Years | 25,898 |  |
Over 10 Years | 0 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 14,616 |  |
From 1 - 5 Years | 331,422 |  |
From 5 - 10 Years | 25,444 |  |
Over 10 Years | 0 |  |
Securities in a Continuous Loss Position, at Fair Value: |  |  |
Less than 12 Months | 18,846 | 52,491 | 53,131
12 Months or Longer | 59,262 | 97,164 | 155,108
Total | $ 78,108 | $ 149,655 | $ 208,239
Number of Securities in a Continuous Loss Position | security | 27 | 54 | 80
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |
Less than 12 Months | $ 316 | $ 317 | $ 258
12 Months or Longer | 1,019 | 763 | 2,233
Total | 1,335 | 1,080 | 2,491
Mortgage- Backed Securities | US Government Agencies Debt Securities |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 58,089 | 61,102 | 70,358
Available-for-Sale at Fair Value | 57,091 | 60,616 | 70,034
Mortgage- Backed Securities | US Government-sponsored Enterprises Debt Securities |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 307,244 | 288,842 | 192,989
Available-for-Sale at Fair Value | 314,391 | 290,100 | 191,479
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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