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Investment Securities - Available for Sale (Details) $ in Thousands | Mar. 31, 2023 USD ($) security | Dec. 31, 2022 USD ($) security | Mar. 31, 2022 USD ($) security
--- | --- | --- | ---
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | $ 623,074 | $ 639,095 | $ 613,209
Gross Unrealized Gains | 160 | 80 | 232
Gross Unrealized Losses | (57,541) | (65,680) | (31,013)
Available-for-Sale at Fair Value | 565,693 | 573,495 | 582,428
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 15,892 |  |
From 1 - 5 Years | 414,803 |  |
From 5 - 10 Years | 192,379 |  |
Over 10 Years | 0 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 15,635 |  |
From 1 - 5 Years | 384,720 |  |
From 5 - 10 Years | 165,338 |  |
Over 10 Years | 0 |  |
Securities in a Continuous Loss Position, at Fair Value: |  |  |
Less than 12 Months | 81,164 | 250,558 | 402,206
12 Months or Longer | 471,059 | 293,555 | 159,551
Total | $ 552,223 | $ 544,113 | $ 561,757
Number of Securities in a Continuous Loss Position | security | 176 | 174 | 148
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |
Less than 12 Months | $ 1,833 | $ 22,066 | $ 18,431
12 Months or Longer | 55,708 | 43,614 | 12,582
Total | 57,541 | 65,680 | 31,013
Collateral Pledged |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, Pledged as Collateral, at Fair Value | 360,153 | 308,266 | 397,138
U.S. Government & Agency Obligations |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 190,000 | 190,000 | 140,000
Gross Unrealized Gains | 0 | 15 | 21
Gross Unrealized Losses | (12,415) | (14,816) | (7,277)
Available-for-Sale at Fair Value | 177,585 | 175,199 | 132,744
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 15,000 |  |
From 1 - 5 Years | 175,000 |  |
From 5 - 10 Years | 0 |  |
Over 10 Years | 0 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 14,769 |  |
From 1 - 5 Years | 162,816 |  |
From 5 - 10 Years | 0 |  |
Over 10 Years | 0 |  |
Securities in a Continuous Loss Position, at Fair Value: |  |  |
Less than 12 Months | 54,058 | 66,690 | 43,518
12 Months or Longer | 123,526 | 93,493 | 84,205
Total | $ 177,584 | $ 160,183 | $ 127,723
Number of Securities in a Continuous Loss Position | security | 25 | 23 | 18
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |
Less than 12 Months | $ 942 | $ 3,310 | $ 1,482
12 Months or Longer | 11,473 | 11,506 | 5,795
Total | 12,415 | 14,816 | 7,277
U.S. Government & Agency Obligations | Agency Securities |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 190,000 | 190,000 | 140,000
Available-for-Sale at Fair Value | 177,585 | 175,199 | 132,744
State and Municipal Obligations |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 320 | 340 | 380
Gross Unrealized Gains | 0 | 0 | 0
Gross Unrealized Losses | 0 | 0 | 0
Available-for-Sale at Fair Value | 320 | 340 | 380
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 0 |  |
From 1 - 5 Years | 0 |  |
From 5 - 10 Years | 320 |  |
Over 10 Years | 0 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 0 |  |
From 1 - 5 Years | 0 |  |
From 5 - 10 Years | 320 |  |
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 | 431,754 | 447,755 | 471,829
Gross Unrealized Gains | 160 | 65 | 211
Gross Unrealized Losses | (44,926) | (50,664) | (23,536)
Available-for-Sale at Fair Value | 386,988 | 397,156 | 448,504
Maturities of Debt Securities, at Amortized Cost: |  |  |
Within One Year | 892 |  |
From 1 - 5 Years | 239,803 |  |
From 5 - 10 Years | 191,059 |  |
Over 10 Years | 0 |  |
Maturities of Debt Securities, at Fair Value: |  |  |
Within One Year | 866 |  |
From 1 - 5 Years | 221,904 |  |
From 5 - 10 Years | 164,218 |  |
Over 10 Years | 0 |  |
Securities in a Continuous Loss Position, at Fair Value: |  |  |
Less than 12 Months | 27,106 | 183,868 | 358,688
12 Months or Longer | 346,733 | 199,262 | 74,546
Total | $ 373,839 | $ 383,130 | $ 433,234
Number of Securities in a Continuous Loss Position | security | 150 | 150 | 129
Unrealized Losses on Securities in a Continuous Loss Position: |  |  |
Less than 12 Months | $ 891 | $ 18,756 | $ 16,949
12 Months or Longer | 44,035 | 31,908 | 6,587
Total | 44,926 | 50,664 | 23,536
Mortgage- Backed Securities | US Government Agencies Debt Securities |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 7,782 | 7,934 | 8,853
Available-for-Sale at Fair Value | 7,321 | 7,433 | 8,667
Mortgage- Backed Securities | US Government-sponsored Enterprises Debt Securities |  |  |
Available-For-Sale Securities |  |  |
Available-For-Sale Securities, at Amortized Cost | 423,972 | 439,821 | 462,976
Available-for-Sale at Fair Value | 379,667 | 389,723 | 439,837
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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