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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, 2016 | Dec. 31, 2015 | Mar. 31, 2016 | Dec. 31, 2015
Allowance for credit losses: |  |  |  |
Beginning balance | $ 16,316 | $ 14,329 |  |
Charge-offs | (244) | (1,513) |  |
Recoveries | 87 | 114 |  |
Provision | 525 | 3,386 |  |
Ending balance | 16,316 | 14,329 | $ 16,684 | $ 16,316
Ending balance: individually evaluated for impairment |  |  | 897 | 1,113
Ending balance: collectively evaluated for impairment |  |  | 15,787 | 15,203
Loans and lease receivables: |  |  |  |
Total gross loans and leases receivable |  |  | 1,451,293 | 1,434,729
Ending balance: individually evaluated for impairment |  |  | 16,380 | 20,852
Ending balance: collectively evaluated for impairment |  |  | $ 1,431,803 | $ 1,410,889
Allowance as % of gross loans |  |  | 1.15% | 1.14%
Commercial real estate |  |  |  |
Allowance for credit losses: |  |  |  |
Beginning balance | 11,220 | 8,619 |  |
Charge-offs | (41) | (793) |  |
Recoveries | 84 | 104 |  |
Provision | 217 | 3,290 |  |
Ending balance | 11,220 | 8,619 | $ 11,480 | $ 11,220
Ending balance: individually evaluated for impairment |  |  | 144 | 240
Ending balance: collectively evaluated for impairment |  |  | 11,336 | 10,980
Loans and lease receivables: |  |  |  |
Total gross loans and leases receivable |  |  | 932,227 | 905,488
Ending balance: individually evaluated for impairment |  |  | 9,106 | 10,849
Ending balance: collectively evaluated for impairment |  |  | $ 920,443 | $ 891,897
Allowance as % of gross loans |  |  | 1.23% | 1.24%
Commercial and industrial loans and leases |  |  |  |
Allowance for credit losses: |  |  |  |
Beginning balance | 4,387 | 5,492 |  |
Charge-offs | (196) | (711) |  |
Recoveries | 0 | 6 |  |
Provision | 297 | (400) |  |
Ending balance | 4,387 | 5,492 | $ 4,488 | $ 4,387
Ending balance: individually evaluated for impairment |  |  | 730 | 847
Ending balance: collectively evaluated for impairment |  |  | 3,758 | 3,540
Loans and lease receivables: |  |  |  |
Total gross loans and leases receivable |  |  | 493,190 | 504,685
Ending balance: individually evaluated for impairment |  |  | 6,481 | 8,942
Ending balance: collectively evaluated for impairment |  |  | $ 486,468 | $ 495,497
Allowance as % of gross loans |  |  | 0.91% | 0.87%
Consumer and other |  |  |  |
Allowance for credit losses: |  |  |  |
Beginning balance | 709 | 218 |  |
Charge-offs | (7) | (9) |  |
Recoveries | 3 | 4 |  |
Provision | 11 | 496 |  |
Ending balance | $ 709 | $ 218 | $ 716 | $ 709
Ending balance: individually evaluated for impairment |  |  | 23 | 26
Ending balance: collectively evaluated for impairment |  |  | 693 | 683
Loans and lease receivables: |  |  |  |
Total gross loans and leases receivable |  |  | 25,876 | 24,556
Ending balance: individually evaluated for impairment |  |  | 793 | 1,061
Ending balance: collectively evaluated for impairment |  |  | $ 24,892 | $ 23,495
Allowance as % of gross loans |  |  | 2.77% | 2.89%
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 |  |  | 3,110 | 3,181
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 |  |  | 2,678 | 2,742
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 |  |  | 241 | 246
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 |  |  | $ 191 | $ 193

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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=49124121&loc=SL6953423-111524 + Details
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