Securities (Fair Value to Amortized Cost Basis) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	$ 500,478	$ 240,013
Gross Unrealized Gains	3,390	6,516
Gross Unrealized Losses	6,029	424
Estimated Fair Value	497,839	246,105
CRA investment fund	4,772	4,855
Other equity securities	207	207
Total investment securities, Amortized Cost	505,457	245,075
Total investment securities, Gross Unrealized Gains	3,390	6,516
Total investment securities, Gross Unrealized Losses	6,029	424
Total investment securities, Estimated Fair Value	502,818	251,167
Residential mortgage-backed securities ("MBS")
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	121,125	33,248
Gross Unrealized Gains	1,057	1,735
Gross Unrealized Losses	2,266	30
Estimated Fair Value	119,916	34,953
Residential collateralized mortgage obligations ("CMOs")
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	198,780	125,564
Gross Unrealized Gains	710	2,180
Gross Unrealized Losses	2,367	297
Estimated Fair Value	197,123	127,447
U.S. Agency
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	14,433
Gross Unrealized Gains	11
Gross Unrealized Losses	140
Estimated Fair Value	14,304
Residential CMOs
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	220	292
Gross Unrealized Gains	5	5
Gross Unrealized Losses	4	9
Estimated Fair Value	221	288
Student loan trust ABSs
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	56,422	37,141
Gross Unrealized Gains	438	386
Gross Unrealized Losses	286	88
Estimated Fair Value	56,574	37,439
Municipal bonds
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	92,556	42,268
Gross Unrealized Gains	1,169	2,210
Gross Unrealized Losses	884	0
Estimated Fair Value	92,841	44,478
U.S. government obligations
Debt and Equity Securities, FV-NI [Line Items]
Amortized Cost	16,942	1,500
Gross Unrealized Gains	0	0
Gross Unrealized Losses	82	0
Estimated Fair Value	16,860	1,500
CRA investment fund
Debt and Equity Securities, FV-NI [Line Items]
CRA investment fund	4,772	4,855
Other equity securities
Debt and Equity Securities, FV-NI [Line Items]
Other equity securities	$ 207	$ 207

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