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Investment Securities (Investment Securities by Contractual Maturity) (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | $ 491,321 | $ 432,176
Available-for-sale Securities | 501,619 | 446,438
Held-to-maturity Amortized Cost | 125,138 | 0
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 | 487,014 | 432,935
Held-to-maturity Amortized Cost | 125,138 |
Held-to-maturity Fair Value | 124,757 |
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 | 210,079 | 210,949
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 | 245,627 | 182,772
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 | 31,308 | 39,214
Collateralized Mortgage Backed Securities [Member] | Maturities Due In Less Than One Year [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 6 |
Available-for-sale Securities | 6 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due In Less Than One Year [Member] | FNMA and FHLMC [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 6 |
Available-for-sale Securities | 6 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due From One To Five Years [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 2,203 |
Available-for-sale Securities | 2,274 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due From One To Five Years [Member] | GNMA [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 2,203 |
Available-for-sale Securities | 2,274 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due From Five To Ten Years [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 163,899 |
Available-for-sale Securities | 168,975 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due From Five To Ten Years [Member] | FNMA and FHLMC [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 90,140 |
Available-for-sale Securities | 93,172 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due From Five To Ten Years [Member] | GNMA [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 45,513 |
Available-for-sale Securities | 46,827 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due From Five To Ten Years [Member] | CMO's [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 28,246 |
Available-for-sale Securities | 28,976 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due After Ten Years [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 310,825 |
Available-for-sale Securities | 315,759 |
Held-to-maturity Amortized Cost | 125,138 |
Held-to-maturity Fair Value | 124,757 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due After Ten Years [Member] | FNMA and FHLMC [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 118,694 |
Available-for-sale Securities | 116,901 |
Held-to-maturity Amortized Cost | 125,138 |
Held-to-maturity Fair Value | 124,757 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due After Ten Years [Member] | GNMA [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 189,831 |
Available-for-sale Securities | 196,526 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due After Ten Years [Member] | CMO's [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 2,300 |
Available-for-sale Securities | 2,332 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 14,388 | 13,200
Available-for-sale Securities | 14,605 | 13,503
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities | US Treasury Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 10,739 | 10,740
Available-for-sale Securities | 10,910 | 10,983
Investment Securities | 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 | 1,407 | 1,606
Investment Securities | Other Debt Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 2,253 | 875
Available-for-sale Securities | 2,288 | $ 914
Investment Securities | Maturities Due In Less Than One Year [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 2,381 |
Available-for-sale Securities | 2,392 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities | Maturities Due In Less Than One Year [Member] | US Treasury Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 735 |
Available-for-sale Securities | 735 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities | Maturities Due In Less Than One Year [Member] | Obligation of US Government Sponsored Agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 1,396 |
Available-for-sale Securities | 1,407 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities | Maturities Due In Less Than One Year [Member] | Other Debt Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 250 |
Available-for-sale Securities | 250 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities | Maturities Due From One To Five Years [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 12,007 |
Available-for-sale Securities | 12,213 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities | Maturities Due From One To Five Years [Member] | US Treasury Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 10,004 |
Available-for-sale Securities | 10,175 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities | Maturities Due From One To Five Years [Member] | Other Debt Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 2,003 |
Available-for-sale Securities | 2,038 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | $ 0 |

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