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Investment Securities (Investment Securities by Contractual Maturity) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Schedule of Investments [Line Items]
Available-for-sale Amortized Cost	$ 462,115	$ 432,176
Available-for-sale Securities	471,009	446,438
Held-to-maturity Amortized Cost	126,767	0
Held-to-maturity Fair Value	125,478
Collateralized Mortgage Backed Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Amortized Cost	449,041	418,976
Available-for-sale Securities	457,673	432,935
Held-to-maturity Amortized Cost	126,767
Held-to-maturity Fair Value	125,478
Collateralized Mortgage Backed Securities [Member] | FNMA and FHLMC [Member]
Schedule of Investments [Line Items]
Available-for-sale Amortized Cost	220,735	206,195
Available-for-sale Securities	220,996	210,949
Collateralized Mortgage Backed Securities [Member] | GNMA [Member]
Schedule of Investments [Line Items]
Available-for-sale Amortized Cost	193,884	174,472
Available-for-sale Securities	201,348	182,772
Collateralized Mortgage Backed Securities [Member] | CMO's [Member]
Schedule of Investments [Line Items]
Available-for-sale Amortized Cost	34,422	38,309
Available-for-sale Securities	35,329	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	141
Available-for-sale Securities	148
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	141
Available-for-sale Securities	148
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	395
Available-for-sale Securities	396
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	395
Available-for-sale Securities	396
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	174,467
Available-for-sale Securities	180,064
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	92,424
Available-for-sale Securities	95,664
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	52,748
Available-for-sale Securities	54,294
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	29,295
Available-for-sale Securities	30,106
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	274,038
Available-for-sale Securities	277,065
Held-to-maturity Amortized Cost	126,767
Held-to-maturity Fair Value	125,478
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	128,170
Available-for-sale Securities	125,184
Held-to-maturity Amortized Cost	126,767
Held-to-maturity Fair Value	125,478
Collateralized Mortgage Backed Securities [Member] | Maturities Due After Ten Years [Member] | GNMA [Member]
Schedule of Investments [Line Items]
Available-for-sale Amortized Cost	140,741
Available-for-sale Securities	146,658
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	5,127
Available-for-sale Securities	5,223
Held-to-maturity Amortized Cost	0
Held-to-maturity Fair Value	0
Investment Securities
Schedule of Investments [Line Items]
Available-for-sale Amortized Cost	13,074	13,200
Available-for-sale Securities	13,336	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	10,946	10,983
Investment Securities | Obligation of US Government Sponsored Agencies [Member]
Schedule of Investments [Line Items]
Available-for-sale Amortized Cost	1,496	1,585
Available-for-sale Securities	1,512	1,606
Investment Securities | Other Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale Amortized Cost	839	875
Available-for-sale Securities	878	$ 914
Investment Securities | Maturities Due In Less Than One Year [Member]
Schedule of Investments [Line Items]
Available-for-sale Amortized Cost	2,481
Available-for-sale Securities	2,497
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	1,496
Available-for-sale Securities	1,512
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	10,593
Available-for-sale Securities	10,839
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	10,211
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	589
Available-for-sale Securities	628
Held-to-maturity Amortized Cost	0
Held-to-maturity Fair Value	$ 0

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