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Loans - Summary of Aging of Recorded Investment in Past Due Portfolio Loans by Portfolio Class and Category (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
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Financing Receivable, Past Due [Line Items] |  |
Loans and Leases Receivable, Gross | $ 5,149,497 | $ 4,350,001
Non-Covered Loans |  |
Financing Receivable, Past Due [Line Items] |  |
30-89 Days Past Due | 10,063 | 1,602
90 or More Days Past Due | 16,462 | 12,158
Total Past Due | 26,525 | 13,760
Current | 5,019,657 | 4,289,840
Loans and Leases Receivable, Gross | 5,046,182 | 4,303,600
Total | 5,048,164 | 4,305,626
Non-Covered Loans | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
30-89 Days Past Due | 6,682 | 66
90 or More Days Past Due | 12,562 | 10,257
Total Past Due | 19,244 | 10,323
Current | 2,229,327 | 2,110,685
Total | 2,248,571 | 2,121,008
Non-Covered Loans | CRE - investor owned |  |
Financing Receivable, Past Due [Line Items] |  |
30-89 Days Past Due | 1,647 | 529
90 or More Days Past Due | 1,096 | 127
Total Past Due | 2,743 | 656
Current | 1,195,565 | 843,072
Total | 1,198,308 | 843,728
Non-Covered Loans | CRE - owner occupied |  |
Financing Receivable, Past Due [Line Items] |  |
30-89 Days Past Due | 415 | 292
90 or More Days Past Due | 155 | 565
Total Past Due | 570 | 857
Current | 677,476 | 603,641
Total | 678,046 | 604,498
Non-Covered Loans | Construction and land development |  |
Financing Receivable, Past Due [Line Items] |  |
30-89 Days Past Due | 41 | 6
90 or More Days Past Due | 0 | 0
Total Past Due | 41 | 6
Current | 396,329 | 330,091
Total | 396,370 | 330,097
Non-Covered Loans | Residential real estate |  |
Financing Receivable, Past Due [Line Items] |  |
30-89 Days Past Due | 1,147 | 709
90 or More Days Past Due | 2,649 | 897
Total Past Due | 3,796 | 1,606
Current | 392,032 | 297,338
Total | 395,828 | 298,944
Non-Covered Loans | Consumer and other |  |
Financing Receivable, Past Due [Line Items] |  |
30-89 Days Past Due | 131 | 0
90 or More Days Past Due | 0 | 312
Total Past Due | 131 | 312
Current | 128,928 | 105,013
Loans and Leases Receivable, Gross | 129,059 | 105,325
Total | $ 131,041 | $ 107,351

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- Definition Amount of financing receivable 90 days or more past due and still accruing. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919258-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5111-111524 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922355-210448 + Details
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- Definition Amount of financing receivable not past due. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922355-210448 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919253-210447 + Details
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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 + Details
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