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Derivative Financial Instruments - Notional amounts and fair values of derivative financial instruments (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
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Derivative Financial Instruments |  |
Notional Amount | $ 616,324 | $ 688,786
Asset (Liability) Fair Value | 4,215 | 5,159
Interest rate lock commitments |  |
Derivative Financial Instruments |  |
Notional Amount | 350,008 | 428,828
Asset (Liability) Fair Value | 2,395 | 6,832
Interest rate lock commitments | Other Assets |  |
Derivative Financial Instruments |  |
Notional Amount | 258,001 | 406,422
Asset (Liability) Fair Value | 3,285 | 6,932
Interest rate lock commitments | Other Liabilities |  |
Derivative Financial Instruments |  |
Notional Amount | 92,007 | 22,406
Asset (Liability) Fair Value | (890) | (100)
Forward Commitments |  |
Derivative Financial Instruments |  |
Notional Amount | 193,500 | 218,000
Asset (Liability) Fair Value | 1,824 | (1,572)
Forward Commitments | Other Assets |  |
Derivative Financial Instruments |  |
Notional Amount | 161,000 |
Asset (Liability) Fair Value | 1,832 |
Forward Commitments | Other Liabilities |  |
Derivative Financial Instruments |  |
Notional Amount | 32,500 | 218,000
Asset (Liability) Fair Value | (8) | (1,572)
Customer derivatives - interest rate swaps |  |
Derivative Financial Instruments |  |
Notional Amount | 72,816 | 41,958
Asset (Liability) Fair Value | (4) | (101)
Customer derivatives - interest rate swaps | Other Assets |  |
Derivative Financial Instruments |  |
Notional Amount | 36,408 | 20,979
Asset (Liability) Fair Value | 151 | 1,118
Customer derivatives - interest rate swaps | Other Liabilities |  |
Derivative Financial Instruments |  |
Notional Amount | 36,408 | 20,979
Asset (Liability) Fair Value | $ (155) | $ (1,219)

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- Definition Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=117331979&loc=d3e41228-113958 + Details
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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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