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Investment Securities (Investment Securities) (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
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Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | $ 491,321 | $ 432,176
Available-for-sale Securities, Gross Unrealized Gains | 12,716 | 14,472
Available-for-sale Securities, Gross Unrealized Losses | 2,418 | 210
Available-for-sale Securities | $ 501,619 | $ 446,438
Available for sale - Weighted Average Yield | 2.05% | 1.96%
Held-to-maturity Fair Value | $ 124,757 |
Collateralized Mortgage Backed Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 476,933 | $ 418,976
Available-for-sale Securities, Gross Unrealized Gains | 12,499 | 14,169
Available-for-sale Securities, Gross Unrealized Losses | 2,418 | 210
Available-for-sale Securities | $ 487,014 | $ 432,935
Available for sale - Weighted Average Yield | 2.05% | 1.97%
Held-to-maturity, Amortized cost | $ 125,138 |
Held to maturity Securities Unrecognized Gains | 63 |
Held-to-maturity Securities, Unrecognized Loss | 444 |
Held-to-maturity Fair Value | $ 124,757 |
Held to maturity - Weighted Average Yield | 1.70% |
Collateralized Mortgage Backed Securities [Member] | FNMA and FHLMC [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | $ 208,840 | $ 206,195
Available-for-sale Securities, Gross Unrealized Gains | 3,481 | 4,786
Available-for-sale Securities, Gross Unrealized Losses | 2,242 | 32
Available-for-sale Securities | $ 210,079 | $ 210,949
Available for sale - Weighted Average Yield | 1.71% | 1.78%
Collateralized Mortgage Backed Securities [Member] | GNMA [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | $ 237,547 | $ 174,472
Available-for-sale Securities, Gross Unrealized Gains | 8,256 | 8,478
Available-for-sale Securities, Gross Unrealized Losses | 176 | 178
Available-for-sale Securities | $ 245,627 | $ 182,772
Available for sale - Weighted Average Yield | 2.35% | 2.21%
Collateralized Mortgage Backed Securities [Member] | CMO's [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | $ 30,546 | $ 38,309
Available-for-sale Securities, Gross Unrealized Gains | 762 | 905
Available-for-sale Securities, Gross Unrealized Losses | 0 | 0
Available-for-sale Securities | $ 31,308 | $ 39,214
Available for sale - Weighted Average Yield | 1.96% | 1.96%
Securities Investment [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | $ 14,388 | $ 13,200
Available-for-sale Securities, Gross Unrealized Gains | 217 | 303
Available-for-sale Securities, Gross Unrealized Losses | 0 | 0
Available-for-sale Securities | $ 14,605 | $ 13,503
Available for sale - Weighted Average Yield | 1.98% | 1.53%
Held-to-maturity Fair Value | $ 0 |
Securities Investment [Member] | US Treasury Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 10,739 | $ 10,740
Available-for-sale Securities, Gross Unrealized Gains | 171 | 243
Available-for-sale Securities, Gross Unrealized Losses | 0 | 0
Available-for-sale Securities | $ 10,910 | $ 10,983
Available for sale - Weighted Average Yield | 1.48% | 1.49%
Securities Investment [Member] | Obligation of US Government Sponsored Agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | $ 1,396 | $ 1,585
Available-for-sale Securities, Gross Unrealized Gains | 11 | 21
Available-for-sale Securities, Gross Unrealized Losses | 0 | 0
Available-for-sale Securities | $ 1,407 | $ 1,606
Available for sale - Weighted Average Yield | 1.39% | 1.39%
Securities Investment [Member] | Other Debt Obligations [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | $ 2,253 | $ 875
Available-for-sale Securities, Gross Unrealized Gains | 35 | 39
Available-for-sale Securities, Gross Unrealized Losses | 0 | 0
Available-for-sale Securities | $ 2,288 | $ 914
Available for sale - Weighted Average Yield | 4.73% | 2.31%

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