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Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Allowance for Loan and Lease Losses) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2017 | Dec. 31, 2016 | Mar. 31, 2017 | Dec. 31, 2016
Allowance for credit losses: |  |  |  |
Beginning balance | $ 20,912 | $ 16,316 |  |
Charge-offs | (209) | (3,594) |  |
Recoveries | 391 | 372 |  |
Provision | 572 | 7,818 |  |
Ending balance | 20,912 | 16,316 | $ 21,666 | $ 20,912
Ending balance: individually evaluated for impairment |  |  | 6,158 | 5,599
Ending balance: collectively evaluated for impairment |  |  | 15,508 | 15,313
Loans and lease receivables: |  |  |  |
Total gross loans and leases receivable |  |  | 1,482,297 | 1,451,864
Ending balance: individually evaluated for impairment |  |  | 36,940 | 24,286
Ending balance: collectively evaluated for impairment |  |  | $ 1,444,076 | $ 1,425,953
Allowance as % of gross loans and leases |  |  | 1.46% | 1.44%
Commercial real estate: |  |  |  |
Allowance for credit losses: |  |  |  |
Beginning balance | 12,384 | 11,220 |  |
Charge-offs | (67) | (1,194) |  |
Recoveries | 104 | 274 |  |
Provision | 396 | 2,084 |  |
Ending balance | 12,384 | 11,220 | $ 12,817 | $ 12,384
Ending balance: individually evaluated for impairment |  |  | 1,821 | 1,899
Ending balance: collectively evaluated for impairment |  |  | 10,996 | 10,485
Loans and lease receivables: |  |  |  |
Total gross loans and leases receivable |  |  | 967,093 | 945,874
Ending balance: individually evaluated for impairment |  |  | 16,693 | 11,222
Ending balance: collectively evaluated for impairment |  |  | $ 949,128 | $ 933,048
Allowance as % of gross loans and leases |  |  | 1.33% | 1.31%
Commercial and industrial loans and leases |  |  |  |
Allowance for credit losses: |  |  |  |
Beginning balance | 7,970 | 4,387 |  |
Charge-offs | (55) | (2,273) |  |
Recoveries | 246 | 91 |  |
Provision | (218) | 5,765 |  |
Ending balance | 7,970 | 4,387 | $ 7,943 | $ 7,970
Ending balance: individually evaluated for impairment |  |  | 4,010 | 3,700
Ending balance: collectively evaluated for impairment |  |  | 3,933 | 4,270
Loans and lease receivables: |  |  |  |
Total gross loans and leases receivable |  |  | 488,108 | 481,249
Ending balance: individually evaluated for impairment |  |  | 19,545 | 12,452
Ending balance: collectively evaluated for impairment |  |  | $ 468,554 | $ 468,776
Allowance as % of gross loans and leases |  |  | 1.63% | 1.66%
Consumer and other: |  |  |  |
Allowance for credit losses: |  |  |  |
Beginning balance | 558 | 709 |  |
Charge-offs | (87) | (127) |  |
Recoveries | 41 | 7 |  |
Provision | 394 | (31) |  |
Ending balance | $ 558 | $ 709 | $ 906 | $ 558
Ending balance: individually evaluated for impairment |  |  | 327 | 0
Ending balance: collectively evaluated for impairment |  |  | 579 | 558
Loans and lease receivables: |  |  |  |
Total gross loans and leases receivable |  |  | 27,096 | 24,741
Ending balance: individually evaluated for impairment |  |  | 702 | 612
Ending balance: collectively evaluated for impairment |  |  | $ 26,394 | $ 24,129
Allowance as % of gross loans and leases |  |  | 3.34% | 2.26%
Ending balance: loans acquired with deteriorated credit quality |  |  |  |
Allowance for credit losses: |  |  |  |
Ending balance: individually evaluated for impairment |  |  | $ 0 | $ 0
Loans and lease receivables: |  |  |  |
Ending balance: individually evaluated for impairment |  |  | 1,281 | 1,625
Ending balance: loans acquired with deteriorated credit quality | Commercial real estate: |  |  |  |
Allowance for credit losses: |  |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 | 0
Loans and lease receivables: |  |  |  |
Ending balance: individually evaluated for impairment |  |  | 1,272 | 1,604
Ending balance: loans acquired with deteriorated credit quality | Commercial and industrial loans and leases |  |  |  |
Allowance for credit losses: |  |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 | 0
Loans and lease receivables: |  |  |  |
Ending balance: individually evaluated for impairment |  |  | 9 | 21
Ending balance: loans acquired with deteriorated credit quality | Consumer and other: |  |  |  |
Allowance for credit losses: |  |  |  |
Ending balance: individually evaluated for impairment |  |  | 0 | 0
Loans and lease receivables: |  |  |  |
Ending balance: individually evaluated for impairment |  |  | $ 0 | $ 0

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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + 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)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
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