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Fair Values - Fair Value by Balance Sheet Grouping (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | --- | --- | ---
Carrying Value |  |  |  |
Cash and Cash Equivalents | $ 598,366 | $ 380,991 | $ 450,666 | $ 70,221
Securities Available-for-Sale | 486,900 | 365,287 | 374,928 |
Held-To-Maturity Securities, at Amortized Cost | 198,337 | 218,405 | 224,799 |
Equity Securities | 1,886 | 1,636 | 1,511 |
Net Loans | 2,627,795 | 2,565,798 | 2,564,009 |
Deposits | 3,605,563 | 3,234,726 | 3,264,858 |
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase | 2,426 | 17,486 | 73,949 |
Federal Home Loan Bank Term Advances | 45,000 | 45,000 | 50,000 |
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts | 20,000 | 20,000 | 20,000 |
Fair Value |  |  |  |
Securities Available-for-Sale | 486,900 | 365,287 | 374,928 |
Securities Held-to-Maturity | 203,936 | 226,576 | 233,501 |
Equity Securities | 1,886 | 1,636 | 1,511 |
Carrying Amount |  |  |  |
Carrying Value |  |  |  |
Cash and Cash Equivalents | 598,366 | 380,991 | 450,666 |
Securities Available-for-Sale | 486,900 | 365,287 | 374,928 |
Held-To-Maturity Securities, at Amortized Cost | 198,337 | 218,405 | 224,799 |
Equity Securities | 1,886 | 1,636 | 1,511 |
Federal Home Loan Bank and Federal Reserve Bank Stock | 5,380 | 5,349 | 5,574 |
Net Loans | 2,627,795 | 2,565,798 | 2,564,009 |
Accrued Interest Receivable | 7,899 | 7,495 | 7,962 |
Derivatives, included in other assets | 2,287 | 5,080 | 6,366 |
Deposits | 3,605,563 | 3,234,726 | 3,264,858 |
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase | 2,426 | 17,486 | 73,949 |
Federal Home Loan Bank Overnight Advances |  | 45,000 |  |
Federal Home Loan Bank Term Advances | 45,000 |  | 50,000 |
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts | 20,000 | 20,000 | 20,000 |
Accrued Interest Payable | 137 | 326 | 841 |
Derivatives, included in other liabilities | 2,287 | 5,080 | 6,366 |
Fair Value |  |  |  |
Securities Available-for-Sale | 486,900 | 365,287 | 374,928 |
Equity Securities | 1,886 | 1,636 | 1,511 |
Derivatives, included in other assets | 2,287 | 5,080 | 6,366 |
Derivatives, included in other liabilities | 2,287 | 5,080 | 6,366 |
Fair Value |  |  |  |
Carrying Value |  |  |  |
Securities Available-for-Sale | 486,900 | 365,287 | 374,928 |
Equity Securities | 1,886 | 1,636 | 1,511 |
Derivatives, included in other assets | 2,287 | 5,080 | 6,366 |
Derivatives, included in other liabilities | 2,287 | 5,080 | 6,366 |
Fair Value |  |  |  |
Cash and Cash Equivalents | 598,366 | 380,991 | 450,666 |
Securities Available-for-Sale | 486,900 | 365,287 | 374,928 |
Securities Held-to-Maturity | 203,936 | 226,576 | 233,501 |
Equity Securities | 1,886 | 1,636 | 1,511 |
Federal Home Loan Bank and Federal Reserve Bank Stock, Fair Value | 5,380 | 5,349 | 5,574 |
Net Loans | 2,632,843 | 2,558,903 | 2,560,043 |
Accrued Interest Receivable | 7,899 | 7,495 | 7,962 |
Derivatives, included in other assets | 2,287 | 5,080 | 6,366 |
Deposits | 3,604,271 | 3,234,387 | 3,265,208 |
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase | 2,426 | 17,486 | 73,949 |
Federal Home Loan Bank Overnight Advances |  | 46,474 |  |
Federal Home Loan Bank Term Advances | 45,906 |  | 51,576 |
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts | 20,000 | 20,000 | 20,000 |
Accrued Interest Payable | 137 | 326 | 841 |
Derivatives, included in other liabilities | 2,287 | 5,080 | 6,366 |
Quoted Prices In Active Markets for Indentical Assets (Level 1) | Fair Value |  |  |  |
Carrying Value |  |  |  |
Securities Available-for-Sale | 0 | 0 | 0 |
Equity Securities | 0 | 0 | 0 |
Derivatives, included in other assets |  | 0 | 0 |
Derivatives, included in other liabilities | 0 | 0 | 0 |
Fair Value |  |  |  |
Cash and Cash Equivalents | 598,366 | 380,991 | 450,666 |
Securities Available-for-Sale | 0 | 0 | 0 |
Securities Held-to-Maturity | 0 | 0 | 0 |
Equity Securities | 0 | 0 | 0 |
Federal Home Loan Bank and Federal Reserve Bank Stock, Fair Value | 0 | 0 | 0 |
Net Loans | 0 | 0 | 0 |
Accrued Interest Receivable | 0 | 0 | 0 |
Derivatives, included in other assets |  | 0 | 0 |
Deposits | 0 | 0 | 0 |
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase | 0 | 0 | 0 |
Federal Home Loan Bank Overnight Advances |  | 0 |  |
Federal Home Loan Bank Term Advances | 0 |  | 0 |
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts | 0 | 0 | 0 |
Accrued Interest Payable | 0 | 0 | 0 |
Derivatives, included in other liabilities | 0 | 0 | 0 |
Significant Other Observable Inputs (Level 2) | Fair Value |  |  |  |
Carrying Value |  |  |  |
Securities Available-for-Sale | 486,900 | 365,287 | 374,928 |
Equity Securities | 1,886 | 1,636 | 1,511 |
Derivatives, included in other assets | 2,287 | 5,080 | 6,366 |
Derivatives, included in other liabilities | 2,287 | 5,080 | 6,366 |
Fair Value |  |  |  |
Cash and Cash Equivalents | 0 | 0 | 0 |
Securities Available-for-Sale | 486,900 | 365,287 | 374,928 |
Securities Held-to-Maturity | 203,936 | 226,576 | 233,501 |
Equity Securities | 1,886 | 1,636 | 1,511 |
Federal Home Loan Bank and Federal Reserve Bank Stock, Fair Value | 5,380 | 5,349 | 5,574 |
Net Loans | 0 | 0 | 0 |
Accrued Interest Receivable | 7,899 | 7,495 | 7,962 |
Derivatives, included in other assets | 2,287 | 5,080 | 6,366 |
Deposits | 3,604,271 | 3,234,387 | 3,265,208 |
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase | 2,426 | 17,486 | 73,949 |
Federal Home Loan Bank Overnight Advances |  | 46,474 |  |
Federal Home Loan Bank Term Advances | 45,906 |  | 51,576 |
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts | 20,000 | 20,000 | 20,000 |
Accrued Interest Payable | 137 | 326 | 841 |
Derivatives, included in other liabilities | 2,287 | 5,080 | 6,366 |
Significant Unobservable Inputs (Level 3) | Fair Value |  |  |  |
Carrying Value |  |  |  |
Securities Available-for-Sale | 0 | 0 | 0 |
Equity Securities | 0 |  |  |
Derivatives, included in other assets |  | 0 | 0 |
Derivatives, included in other liabilities | 0 | 0 | 0 |
Fair Value |  |  |  |
Cash and Cash Equivalents | 0 | 0 | 0 |
Securities Available-for-Sale | 0 | 0 | 0 |
Securities Held-to-Maturity | 0 | 0 | 0 |
Equity Securities | 0 |  |  |
Federal Home Loan Bank and Federal Reserve Bank Stock, Fair Value | 0 | 0 | 0 |
Net Loans | 2,632,843 | 2,558,903 | 2,560,043 |
Accrued Interest Receivable | 0 | 0 | 0 |
Derivatives, included in other assets |  | 0 | 0 |
Deposits | 0 | 0 | 0 |
Federal Funds Purchased and Securities Sold Under Agreements to Repurchase | 0 | 0 | 0 |
Federal Home Loan Bank Overnight Advances |  | 0 |  |
Federal Home Loan Bank Term Advances | 0 |  | 0 |
Junior Subordinated Obligations Issued to Unconsolidated Subsidiary Trusts | 0 | 0 | 0 |
Accrued Interest Payable | 0 | 0 | 0 |
Derivatives, included in other liabilities | $ 0 | $ 0 | $ 0 |

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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3521-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3044-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=123431023&loc=SL98516268-108586 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 + Details
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- Definition Amount after offset of short term borrowing where a bank borrows, at the federal funds rate, from another bank and securities that an entity sells and agrees to repurchase at a specified date for a specified price. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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- Definition Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123599511&loc=d3e64702-112823 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Definition Amount excluding accrued interest, after allowance for credit loss, of financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
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- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=123581744&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123581744&loc=SL120269820-111563 + Details
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- Definition Including the current and noncurrent portions, the carrying value of junior subordinated long-term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Such debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets and was initially scheduled to be repaid after one year or beyond the normal operating cycle if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
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- Definition Fair value portion of other assets. + References No definition available. + Details
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- Definition Fair value portion of other liabilities. + References No definition available. + Details
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- Definition Fair value portion of securities that an entity sells and agrees to repurchase at a specified date for a specified price. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 + Details
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