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Other Noninterest Income and Other Noninterest Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Other Operating Cost and Expense [Line Items] |  |  |
Other Noninterest Income | $ 7,446 | $ 18,431 | $ 19,700
Other Noninterest Expense | 145,117 | 139,283 | 147,063
PCD Loans |  |  |
Other Operating Cost and Expense [Line Items] |  |  |
Proceeds from Recoveries of Loans Previously Charged off |  | 17,400 | 16,600
Telecommunication |  |  |
Other Operating Cost and Expense [Line Items] |  |  |
Other Noninterest Expense | 14,255 | 16,346 | 17,165
Consultant |  |  |
Other Operating Cost and Expense [Line Items] |  |  |
Other Noninterest Expense | 12,751 | 12,801 | 14,345
Core Deposit Intangible Amortization |  |  |
Other Operating Cost and Expense [Line Items] |  |  |
Other Noninterest Expense | 10,010 | 11,437 | 11,650
Advertising |  |  |
Other Operating Cost and Expense [Line Items] |  |  |
Other Noninterest Expense | 12,179 | 9,391 | 10,471
Other Expense |  |  |
Other Operating Cost and Expense [Line Items] |  |  |
Other Noninterest Expense | $ 95,922 | $ 89,308 | $ 93,432

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- Definition Represents the total of noninterest income derived from certain activities and assets including (for example): (1) venture capital investments; (2) bank owned life insurance; (3) foreign currency transactions; and (4) mortgage servicing rights. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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- Definition Amount of noninterest expense classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
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- Definition Amount of cash inflow from recovery of financing receivable, previously written off. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585 + Details
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