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LOANS - Loans Evaluated for Impairment (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Allowance for loan losses |  |
Total | $ 2,577,306 | $ 2,490,227
Commercial real estate |  |
Allowance for loan losses |  |
Total | 923,773 | 826,699
Commercial and industrial |  |
Allowance for loan losses |  |
Total | 402,706 | 404,870
Residential real estate |  |
Allowance for loan losses |  |
Total | 1,143,452 | 1,144,698
Consumer |  |
Allowance for loan losses |  |
Total | 107,375 | 113,960
Business Activities Loans |  |
Allowance for loan losses |  |
Individually evaluated for impairment | 12,738 | 13,855
Collectively evaluated | 1,815,398 | 1,617,042
Total | 1,828,136 | 1,630,897
Business Activities Loans | Commercial real estate |  |
Allowance for loan losses |  |
Individually evaluated for impairment | 8,759 | 9,835
Collectively evaluated | 692,928 | 569,899
Total | 701,687 | 579,734
Business Activities Loans | Commercial and industrial |  |
Allowance for loan losses |  |
Individually evaluated for impairment | 1,323 | 1,445
Collectively evaluated | 325,820 | 312,217
Total | 327,143 | 313,662
Business Activities Loans | Residential real estate |  |
Allowance for loan losses |  |
Individually evaluated for impairment | 2,643 | 2,562
Collectively evaluated | 727,873 | 667,627
Total | 730,516 | 670,189
Business Activities Loans | Consumer |  |
Allowance for loan losses |  |
Individually evaluated for impairment | 13 | 13
Collectively evaluated | 68,777 | 67,299
Total | 68,790 | 67,312
Acquired Loans |  |
Allowance for loan losses |  |
Individually evaluated for impairment | 1,644 | 1,358
Purchased credit impaired | 8,410 | 10,106
Collectively evaluated | 739,116 | 847,866
Total | 749,170 | 859,330
Acquired Loans | Commercial real estate |  |
Allowance for loan losses |  |
Individually evaluated for impairment | 257 | 188
Purchased credit impaired | 5,049 | 6,307
Collectively evaluated | 216,780 | 240,470
Total | 222,086 | 246,965
Acquired Loans | Commercial and industrial |  |
Allowance for loan losses |  |
Individually evaluated for impairment | 414 | 426
Purchased credit impaired | 249 | 679
Collectively evaluated | 74,900 | 90,103
Total | 75,563 | 91,208
Acquired Loans | Residential real estate |  |
Allowance for loan losses |  |
Individually evaluated for impairment | 973 | 744
Purchased credit impaired | 3,093 | 3,095
Collectively evaluated | 408,870 | 470,670
Total | 412,936 | 474,509
Acquired Loans | Consumer |  |
Allowance for loan losses |  |
Individually evaluated for impairment | 0 | 0
Purchased credit impaired | 19 | 25
Collectively evaluated | 38,566 | 46,623
Total | $ 38,585 | $ 46,648

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- Definition Financing Receivable, Purchased Credit-Impaired Loans + References No definition available. + 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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- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + 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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