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Investment Securities - Available for Sale (Details) $ in Thousands | Mar. 31, 2022 USD ($) security | Dec. 31, 2021 USD ($) security | Mar. 31, 2021 USD ($) security
--- | --- | --- | ---
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | $ 613,209 | $ 560,142 | $ 461,420
Gross Unrealized Gains | 232 | 3,680 | 6,414
Gross Unrealized Losses | (31,013) | (4,506) | (3,745)
Available-for-Sale at Fair Value | 582,428 | 559,316 | 464,089
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 5,106 |  |
From 1 - 5 Years | 384,495 |  |
From 5 - 10 Years | 223,608 |  |
Over 10 Years | 0 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 5,129 |  |
From 1 - 5 Years | 369,337 |  |
From 5 - 10 Years | 207,962 |  |
Over 10 Years | 0 |  |
Securities in a Continuous Loss Position, at Fair Value: |  |  |
Less than 12 Months | 402,206 | 337,380 | 224,011
12 Months or Longer | 159,551 | 30,014 | 800
Total | $ 561,757 | $ 367,394 | $ 224,811
Number of Securities in a Continuous Loss Position | security | 148 | 54 | 31
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |
Less than 12 Months | $ 18,431 | $ 3,520 | $ 3,545
12 Months or Longer | 12,582 | 986 | 200
Total | 31,013 | 4,506 | 3,745
Collateral Pledged |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, Pledged as Collateral, at Fair Value | 397,138 | 298,106 | 352,214
U.S. Government & Agency Obligations |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 140,000 | 110,000 | 110,001
Gross Unrealized Gains | 21 | 63 | 138
Gross Unrealized Losses | (7,277) | (1,698) | (1,769)
Available-for-Sale at Fair Value | 132,744 | 108,365 | 108,370
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 5,000 |  |
From 1 - 5 Years | 135,000 |  |
From 5 - 10 Years | 0 |  |
Over 10 Years | 0 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 5,021 |  |
From 1 - 5 Years | 127,723 |  |
From 5 - 10 Years | 0 |  |
Over 10 Years | 0 |  |
Securities in a Continuous Loss Position, at Fair Value: |  |  |
Less than 12 Months | 43,518 | 74,088 | 103,231
12 Months or Longer | 84,205 | 29,214 | 0
Total | $ 127,723 | $ 103,302 | $ 103,231
Number of Securities in a Continuous Loss Position | security | 18 | 14 | 14
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |
Less than 12 Months | $ 1,482 | $ 912 | $ 1,769
12 Months or Longer | 5,795 | 786 | 0
Total | 7,277 | 1,698 | 1,769
U.S. Government & Agency Obligations | Agency Securities |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 140,000 | 110,000 | 110,001
Available-for-Sale at Fair Value | 132,744 | 108,365 | 108,370
State and Municipal Obligations |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 380 | 400 | 508
Gross Unrealized Gains | 0 | 0 | 0
Gross Unrealized Losses | 0 | 0 | 0
Available-for-Sale at Fair Value | 380 | 400 | 508
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 20 |  |
From 1 - 5 Years | 0 |  |
From 5 - 10 Years | 360 |  |
Over 10 Years | 0 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 20 |  |
From 1 - 5 Years | 0 |  |
From 5 - 10 Years | 360 |  |
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 | 471,829 | 448,742 | 349,911
Gross Unrealized Gains | 211 | 3,617 | 6,276
Gross Unrealized Losses | (23,536) | (2,608) | (1,776)
Available-for-Sale at Fair Value | 448,504 | 449,751 | 354,411
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 86 |  |
From 1 - 5 Years | 249,495 |  |
From 5 - 10 Years | 222,248 |  |
Over 10 Years | 0 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 88 |  |
From 1 - 5 Years | 241,614 |  |
From 5 - 10 Years | 206,802 |  |
Over 10 Years | 0 |  |
Securities in a Continuous Loss Position, at Fair Value: |  |  |
Less than 12 Months | 358,688 | 263,292 | 120,780
12 Months or Longer | 74,546 | 0 | 0
Total | $ 433,234 | $ 263,292 | $ 120,780
Number of Securities in a Continuous Loss Position | security | 129 | 39 | 16
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |
Less than 12 Months | $ 16,949 | $ 2,608 | $ 1,776
12 Months or Longer | 6,587 | 0 | 0
Total | 23,536 | 2,608 | 1,776
Mortgage- Backed Securities | US Government Agencies Debt Securities |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 8,853 | 9,386 | 11,582
Available-for-Sale at Fair Value | 8,667 | 9,371 | 11,658
Mortgage- Backed Securities | US Government-sponsored Enterprises Debt Securities |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 462,976 | 439,356 | 338,329
Available-for-Sale at Fair Value | 439,837 | 440,380 | 342,753
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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