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ALLOWANCE FOR LOAN LOSSES: (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Allowance for Loan Losses: |  |  |  |  |  |
Beginning balance | $ 18,839 |  | $ 20,068 |  | $ 21,958 |
Provision for loan losses | 4,700 | [1] | 4,385 | [2] | 6,475 | [3]
Loans charged -off | (8,528) |  | (9,450) |  | (13,387) |
Recoveries | 4,935 |  | 3,836 |  | 5,022 |
Ending Balance | 19,946 |  | 18,839 |  | 20,068 |
Increase in provision for decrease in FDIC indemnification asset |  |  | 687 |  | 1,400 |
Commercial |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |
Beginning balance | 10,915 |  | 12,450 |  | 10,987 |
Provision for loan losses | 990 | [1] | 1,053 | [2] | 3,144 | [3]
Loans charged -off | (2,852) |  | (3,522) |  | (4,830) |
Recoveries | 2,429 |  | 934 |  | 3,149 |
Ending Balance | 11,482 |  | 10,915 |  | 12,450 |
Residential |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |
Beginning balance | 1,374 |  | 1,585 |  | 5,426 |
Provision for loan losses | 874 | [1] | 134 | [2] | 629 | [3]
Loans charged -off | (866) |  | (1,143) |  | (4,942) |
Recoveries | 452 |  | 798 |  | 472 |
Ending Balance | 1,834 |  | 1,374 |  | 1,585 |
Consumer |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |
Beginning balance | 4,370 |  | 3,650 |  | 3,879 |
Provision for loan losses | 3,331 | [1] | 3,401 | [2] | 1,985 | [3]
Loans charged -off | (4,810) |  | (4,785) |  | (3,615) |
Recoveries | 2,054 |  | 2,104 |  | 1,401 |
Ending Balance | 4,945 |  | 4,370 |  | 3,650 |
Unallocated |  |  |  |  |  |
Allowance for Loan Losses: |  |  |  |  |  |
Beginning balance | 2,180 |  | 2,383 |  | 1,666 |
Provision for loan losses | (495) | [1] | (203) | [2] | 717 | [3]
Loans charged -off | 0 |  | 0 |  | 0 |
Recoveries | 0 |  | 0 |  | 0 |
Ending Balance | $ 1,685 |  | $ 2,180 |  | $ 2,383 |
[1] | {F|ahBzfndlYmZpbGluZ3MtaHJkcmoLEgZYTUxEb2MiXlhCUkxEb2NHZW5JbmZvOjgwZDk3YjYxY2UyYzQ5NjE5ZjEyOTk3NDc5NzNiYjJkfFRleHRTZWxlY3Rpb246RUNGN0YyMTZEQUUxMEZEMDk0RTUxRDc1NkRGQ0IxQUIM}
[2] | Provision before increase of $687 thousand in 2014 for decrease in FDIC indemnification asset
[3] | Provision before increase of $1.4 million in 2013 for decrease in FDIC indemnification asset

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- Definition Provision charged for the period based on estimated losses to be realized from loan and lease transactions, excluding the impact of loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC). + References No definition available. + Details
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- Definition Provision charged for the period based on estimated losses to be realized from loan and lease transactions, based on decreases in the loss sharing Federal Deposit Insurance Corporation (FDIC) indemnification asset. + References No definition available. + Details
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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=49124121&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 + Details
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