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FAIR VALUE, Carrying Amounts and Estimated Fair Values of Other Financial Instruments (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Carrying Value [Member] |  |
Financial assets [Abstract] |  |
Net loans | $ 6,840,632 | $ 6,231,837
Financial liabilities [Abstract] |  |
Deposits | 8,994,967 | 8,322,371
Overnight Federal Home Loan Bank borrowings | 8,300 | 54,400
Securities sold under agreement to repurchase, short-term | 241,708 | 259,367
Other Federal Home Loan Bank borrowings | 3,750 | 1,976
Subordinated notes payable | 13,795 | 0
Subordinated debt held by unconsolidated subsidiary trusts | 77,320 | 97,939
Fair Value [Member] |  |
Financial assets [Abstract] |  |
Net loans | 7,028,663 | 6,247,939
Financial liabilities [Abstract] |  |
Deposits | 8,997,551 | 8,308,765
Overnight Federal Home Loan Bank borrowings | 8,300 | 54,400
Securities sold under agreement to repurchase, short-term | 241,708 | 259,367
Other Federal Home Loan Bank borrowings | 3,755 | 1,921
Subordinated notes payable | 13,795 | 0
Subordinated debt held by unconsolidated subsidiary trusts | $ 77,320 | $ 97,939

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- Definition Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits. + References No definition available. + Details
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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=117815213&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=117815213&loc=d3e19207-110258 + 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 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=118260190&loc=d3e13433-108611 + Details
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