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Fair Value Measurements (Estimated Fair Values of Financial Assets and Liabilities) (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Financial assets, Estimated Fair Value |  |
Investment securities available for sale, at fair value | $ 106,695 | $ 116,982
Investment securities held to maturity | 390,541 | 401,524
LHFS | 12,906 | 37,749
MSRs | 5,113 | 4,087
Interest Rate Lock Commitments [Member] |  |
Financial assets, Estimated Fair Value |  |
Derivative asset, estimated fair value | 217 | 380
TBA securities [Member] |  |
Financial assets, Estimated Fair Value |  |
Derivative asset, estimated fair value | 838 | 55
Financial liabilities, Estimated Fair Value |  |
TBA securities | 6 | 41
Fair Value, Inputs, Level 1 [Member] | Carrying Amount [Member] |  |
Financial assets, Estimated Fair Value |  |
Cash and cash equivalents | 570,976 | 583,613
Fair Value, Inputs, Level 1 [Member] | Estimated Fair Value [Member] |  |
Financial assets, Estimated Fair Value |  |
Cash and cash equivalents | 570,976 | 583,613
Fair Value, Inputs, Level 2 [Member] |  |
Financial assets, Estimated Fair Value |  |
Investment securities available for sale, at fair value | 106,695 | 116,982
LHFS | 12,906 | 37,749
Fair Value, Inputs, Level 2 [Member] | TBA securities [Member] |  |
Financial assets, Estimated Fair Value |  |
Derivative asset, estimated fair value | 838 | 55
Financial liabilities, Estimated Fair Value |  |
TBA securities | 6 | 41
Fair Value, Inputs, Level 2 [Member] | Carrying Amount [Member] |  |
Financial assets, Estimated Fair Value |  |
Investment securities available for sale, at fair value | 106,695 | 116,982
Investment securities held to maturity | 407,138 | 404,594
Equity securities | 1,305 | 1,372
Restricted securities | 9,894 | 4,159
LHFS | 12,906 | 37,749
Cash surrender value on life insurance | 58,186 | 47,935
Financial liabilities, Estimated Fair Value |  |
Noninterest-bearing demand | 876,415 | 927,497
Checking plus interest | 695,407 | 524,143
Money market | 726,858 | 889,099
Savings | 309,926 | 225,546
Club | 745 | 388
Certificates of deposit | 459,144 | 459,563
Securities sold under retail repurchase agreement |  | 4,143
Advances from FHLB - long-term | 10,094 | 10,135
Subordinated debt | 42,840 | 42,762
TBA securities | 6 | 41
Fair Value, Inputs, Level 2 [Member] | Carrying Amount [Member] | TBA securities [Member] |  |
Financial assets, Estimated Fair Value |  |
Derivative asset, estimated fair value | 838 | 55
Fair Value, Inputs, Level 2 [Member] | Estimated Fair Value [Member] |  |
Financial assets, Estimated Fair Value |  |
Investment securities available for sale, at fair value | 106,695 | 116,982
Investment securities held to maturity | 390,541 | 401,524
Equity securities | 1,305 | 1,372
Restricted securities | 9,894 | 4,159
LHFS | 12,906 | 37,749
Cash surrender value on life insurance | 58,186 | 47,935
Financial liabilities, Estimated Fair Value |  |
Noninterest-bearing demand | 876,415 | 927,497
Checking plus interest | 695,407 | 524,143
Money market | 726,858 | 889,099
Savings | 309,926 | 225,546
Club | 745 | 388
Certificates of deposit | 459,171 | 461,135
Securities sold under retail repurchase agreement |  | 4,143
Advances from FHLB - long-term | 10,052 | 10,187
Subordinated debt | 45,430 | 44,876
TBA securities | 6 | 41
Fair Value, Inputs, Level 2 [Member] | Estimated Fair Value [Member] | TBA securities [Member] |  |
Financial assets, Estimated Fair Value |  |
Derivative asset, estimated fair value | 838 | 55
Fair Value, Inputs, Level 3 [Member] |  |
Financial assets, Estimated Fair Value |  |
MSRs | 5,113 | 4,087
Fair Value, Inputs, Level 3 [Member] | Interest Rate Lock Commitments [Member] |  |
Financial assets, Estimated Fair Value |  |
Derivative asset, estimated fair value | 217 | 380
Fair Value, Inputs, Level 3 [Member] | Carrying Amount [Member] |  |
Financial assets, Estimated Fair Value |  |
Loans, net | 2,166,396 | 2,105,231
MSRs | 5,113 | 4,087
Fair Value, Inputs, Level 3 [Member] | Carrying Amount [Member] | Interest Rate Lock Commitments [Member] |  |
Financial assets, Estimated Fair Value |  |
Derivative asset, estimated fair value | 217 | 380
Fair Value, Inputs, Level 3 [Member] | Estimated Fair Value [Member] |  |
Financial assets, Estimated Fair Value |  |
Loans, net | 2,140,286 | 2,106,373
MSRs | 5,113 | 4,087
Fair Value, Inputs, Level 3 [Member] | Estimated Fair Value [Member] | Interest Rate Lock Commitments [Member] |  |
Financial assets, Estimated Fair Value |  |
Derivative asset, estimated fair value | $ 217 | $ 380

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- Definition Fair value of subordinated debt obligations including, but not limited to, subordinated loan, subordinated bond, subordinated debenture or junior debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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