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Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Impaired Loans and Leases) (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2016 | Dec. 31, 2015
Recorded investment |  |  |
With no impairment reserve recorded |  | $ 15,082 | $ 15,175
With impairment reserve recorded |  | 8,386 | 8,858
Total |  | 23,468 | 24,033
Unpaid principal balance |  |  |
With no impairment reserve recorded |  | 18,458 | 19,026
With impairment reserve recorded |  | 8,391 | 8,863
Total |  | 26,849 | 27,889
Impairment reserve |  |  |
Impairment reserve |  | 3,048 | 1,113
Average recorded investment(1) |  |  |
With no impairment reserve recorded | [1] | 11,248 | 9,721
With impairment reserve recorded | [1] | 8,247 | 1,722
Total | [1] | 19,495 | 11,443
Foregone interest income |  |  |
With no impairment reserve recorded |  | 332 | 597
With impairment reserve recorded |  | 337 | 153
Foregone interest income |  | 669 | 750
Interest income recognized |  |  |
With no impairment reserve recorded |  | 246 | 85
With impairment reserve recorded |  | 0 | 2
Total |  | 246 | 87
Net foregone interest income |  |  |
With no impairment reserve recorded |  | 86 | 512
With impairment reserve recorded |  | 337 | 151
Total |  | 423 | 663
Commercial real estate — owner occupied |  |  |
Recorded investment |  |  |
With no impairment reserve recorded |  | 3,240 | 2,164
With impairment reserve recorded |  | 621 | 814
Total |  | 3,861 | 2,978
Unpaid principal balance |  |  |
With no impairment reserve recorded |  | 3,240 | 2,164
With impairment reserve recorded |  | 621 | 814
Total |  | 3,861 | 2,978
Impairment reserve |  |  |
Impairment reserve |  | 9 | 20
Average recorded investment(1) |  |  |
With no impairment reserve recorded | [1] | 2,274 | 712
With impairment reserve recorded | [1] | 629 | 215
Total | [1] | 2,903 | 927
Foregone interest income |  |  |
With no impairment reserve recorded |  | 87 | 53
With impairment reserve recorded |  | 18 | 7
Foregone interest income |  | 105 | 60
Interest income recognized |  |  |
With no impairment reserve recorded |  | 0 | 12
With impairment reserve recorded |  | 0 | 2
Total |  | 0 | 14
Net foregone interest income |  |  |
With no impairment reserve recorded |  | 87 | 41
With impairment reserve recorded |  | 18 | 5
Total |  | 105 | 46
Commercial real estate — non-owner occupied |  |  |
Recorded investment |  |  |
With no impairment reserve recorded |  | 1,970 | 2,314
With impairment reserve recorded |  | 0 | 0
Total |  | 1,970 | 2,314
Unpaid principal balance |  |  |
With no impairment reserve recorded |  | 2,010 | 2,355
With impairment reserve recorded |  | 0 | 0
Total |  | 2,010 | 2,355
Impairment reserve |  |  |
Impairment reserve |  | 0 | 0
Average recorded investment(1) |  |  |
With no impairment reserve recorded | [1] | 728 | 962
With impairment reserve recorded | [1] | 0 | 0
Total | [1] | 728 | 962
Foregone interest income |  |  |
With no impairment reserve recorded |  | 36 | 25
With impairment reserve recorded |  | 0 | 0
Foregone interest income |  | 36 | 25
Interest income recognized |  |  |
With no impairment reserve recorded |  | 0 | 0
With impairment reserve recorded |  | 0 | 0
Total |  | 0 | 0
Net foregone interest income |  |  |
With no impairment reserve recorded |  | 36 | 25
With impairment reserve recorded |  | 0 | 0
Total |  | 36 | 25
Land development |  |  |
Recorded investment |  |  |
With no impairment reserve recorded |  | 3,829 | 4,413
With impairment reserve recorded |  | 0 | 0
Total |  | 3,829 | 4,413
Unpaid principal balance |  |  |
With no impairment reserve recorded |  | 6,499 | 7,083
With impairment reserve recorded |  | 0 | 0
Total |  | 6,499 | 7,083
Impairment reserve |  |  |
Impairment reserve |  | 0 | 0
Average recorded investment(1) |  |  |
With no impairment reserve recorded | [1] | 4,146 | 4,333
With impairment reserve recorded | [1] | 0 | 0
Total | [1] | 4,146 | 4,333
Foregone interest income |  |  |
With no impairment reserve recorded |  | 57 | 133
With impairment reserve recorded |  | 0 | 0
Foregone interest income |  | 57 | 133
Interest income recognized |  |  |
With no impairment reserve recorded |  | 0 | 0
With impairment reserve recorded |  | 0 | 0
Total |  | 0 | 0
Net foregone interest income |  |  |
With no impairment reserve recorded |  | 57 | 133
With impairment reserve recorded |  | 0 | 0
Total |  | 57 | 133
Construction |  |  |
Recorded investment |  |  |
With no impairment reserve recorded |  | 122 | 120
With impairment reserve recorded |  | 157 | 397
Total |  | 279 | 517
Unpaid principal balance |  |  |
With no impairment reserve recorded |  | 122 | 120
With impairment reserve recorded |  | 157 | 397
Total |  | 279 | 517
Impairment reserve |  |  |
Impairment reserve |  | 41 | 48
Average recorded investment(1) |  |  |
With no impairment reserve recorded | [1] | 293 | 474
With impairment reserve recorded | [1] | 192 | 34
Total | [1] | 485 | 508
Foregone interest income |  |  |
With no impairment reserve recorded |  | 4 | 0
With impairment reserve recorded |  | 3 | 0
Foregone interest income |  | 7 | 0
Interest income recognized |  |  |
With no impairment reserve recorded |  | 0 | 0
With impairment reserve recorded |  | 0 | 0
Total |  | 0 | 0
Net foregone interest income |  |  |
With no impairment reserve recorded |  | 4 | 0
With impairment reserve recorded |  | 3 | 0
Total |  | 7 | 0
Multi-family |  |  |
Recorded investment |  |  |
With no impairment reserve recorded |  | 0 | 2
With impairment reserve recorded |  | 0 | 0
Total |  | 0 | 2
Unpaid principal balance |  |  |
With no impairment reserve recorded |  | 0 | 369
With impairment reserve recorded |  | 0 | 0
Total |  | 0 | 369
Impairment reserve |  |  |
Impairment reserve |  | 0 | 0
Average recorded investment(1) |  |  |
With no impairment reserve recorded | [1] | 0 | 10
With impairment reserve recorded | [1] | 0 | 0
Total | [1] | 0 | 10
Foregone interest income |  |  |
With no impairment reserve recorded |  | 1 | 27
With impairment reserve recorded |  | 0 | 0
Foregone interest income |  | 1 | 27
Interest income recognized |  |  |
With no impairment reserve recorded |  | 134 | 0
With impairment reserve recorded |  | 0 | 0
Total |  | 134 | 0
Net foregone interest income |  |  |
With no impairment reserve recorded |  | (133) | 27
With impairment reserve recorded |  | 0 | 0
Total |  | (133) | 27
1-4 family |  |  |
Recorded investment |  |  |
With no impairment reserve recorded |  | 2,025 | 2,423
With impairment reserve recorded |  | 844 | 945
Total |  | 2,869 | 3,368
Unpaid principal balance |  |  |
With no impairment reserve recorded |  | 2,025 | 2,486
With impairment reserve recorded |  | 849 | 950
Total |  | 2,874 | 3,436
Impairment reserve |  |  |
Impairment reserve |  | 114 | 173
Average recorded investment(1) |  |  |
With no impairment reserve recorded | [1] | 2,483 | 1,604
With impairment reserve recorded | [1] | 695 | 605
Total | [1] | 3,178 | 2,209
Foregone interest income |  |  |
With no impairment reserve recorded |  | 55 | 82
With impairment reserve recorded |  | 14 | 34
Foregone interest income |  | 69 | 116
Interest income recognized |  |  |
With no impairment reserve recorded |  | 94 | 4
With impairment reserve recorded |  | 0 | 0
Total |  | 94 | 4
Net foregone interest income |  |  |
With no impairment reserve recorded |  | (39) | 78
With impairment reserve recorded |  | 14 | 34
Total |  | (25) | 112
Commercial and industrial |  |  |
Recorded investment |  |  |
With no impairment reserve recorded |  | 3,103 | 2,546
With impairment reserve recorded |  | 6,764 | 6,603
Total |  | 9,867 | 9,149
Unpaid principal balance |  |  |
With no impairment reserve recorded |  | 3,103 | 2,590
With impairment reserve recorded |  | 6,764 | 6,603
Total |  | 9,867 | 9,193
Impairment reserve |  |  |
Impairment reserve |  | 2,884 | 847
Average recorded investment(1) |  |  |
With no impairment reserve recorded | [1] | 239 | 544
With impairment reserve recorded | [1] | 6,731 | 810
Total | [1] | 6,970 | 1,354
Foregone interest income |  |  |
With no impairment reserve recorded |  | 45 | 172
With impairment reserve recorded |  | 302 | 102
Foregone interest income |  | 347 | 274
Interest income recognized |  |  |
With no impairment reserve recorded |  | 18 | 6
With impairment reserve recorded |  | 0 | 0
Total |  | 18 | 6
Net foregone interest income |  |  |
With no impairment reserve recorded |  | 27 | 166
With impairment reserve recorded |  | 302 | 102
Total |  | 329 | 268
Direct financing leases, net |  |  |
Recorded investment |  |  |
With no impairment reserve recorded |  | 0 | 38
With impairment reserve recorded |  | 0 | 0
Total |  | 0 | 38
Unpaid principal balance |  |  |
With no impairment reserve recorded |  | 0 | 38
With impairment reserve recorded |  | 0 | 0
Total |  | 0 | 38
Impairment reserve |  |  |
Impairment reserve |  | 0 | 0
Average recorded investment(1) |  |  |
With no impairment reserve recorded | [1] | 12 | 4
With impairment reserve recorded | [1] | 0 | 0
Total | [1] | 12 | 4
Foregone interest income |  |  |
With no impairment reserve recorded |  | 0 | 0
With impairment reserve recorded |  | 0 | 0
Foregone interest income |  | 0 | 0
Interest income recognized |  |  |
With no impairment reserve recorded |  | 0 | 0
With impairment reserve recorded |  | 0 | 0
Total |  | 0 | 0
Net foregone interest income |  |  |
With no impairment reserve recorded |  | 0 | 0
With impairment reserve recorded |  | 0 | 0
Total |  | 0 | 0
Home equity and second mortgages |  |  |
Recorded investment |  |  |
With no impairment reserve recorded |  | 258 | 500
With impairment reserve recorded |  | 0 | 99
Total |  | 258 | 599
Unpaid principal balance |  |  |
With no impairment reserve recorded |  | 258 | 500
With impairment reserve recorded |  | 0 | 99
Total |  | 258 | 599
Impairment reserve |  |  |
Impairment reserve |  | 0 | 25
Average recorded investment(1) |  |  |
With no impairment reserve recorded | [1] | 447 | 390
With impairment reserve recorded | [1] | 0 | 58
Total | [1] | 447 | 448
Foregone interest income |  |  |
With no impairment reserve recorded |  | 8 | 23
With impairment reserve recorded |  | 0 | 10
Foregone interest income |  | 8 | 33
Interest income recognized |  |  |
With no impairment reserve recorded |  | 0 | 63
With impairment reserve recorded |  | 0 | 0
Total |  | 0 | 63
Net foregone interest income |  |  |
With no impairment reserve recorded |  | 8 | (40)
With impairment reserve recorded |  | 0 | 10
Total |  | 8 | (30)
Other |  |  |
Recorded investment |  |  |
With no impairment reserve recorded |  | 535 | 655
With impairment reserve recorded |  | 0 | 0
Total |  | 535 | 655
Unpaid principal balance |  |  |
With no impairment reserve recorded |  | 1,201 | 1,321
With impairment reserve recorded |  | 0 | 0
Total |  | 1,201 | 1,321
Impairment reserve |  |  |
Impairment reserve |  | 0 | 0
Average recorded investment(1) |  |  |
With no impairment reserve recorded | [1] | 626 | 688
With impairment reserve recorded | [1] | 0 | 0
Total | [1] | 626 | 688
Foregone interest income |  |  |
With no impairment reserve recorded |  | 39 | 82
With impairment reserve recorded |  | 0 | 0
Foregone interest income |  | 39 | 82
Interest income recognized |  |  |
With no impairment reserve recorded |  | 0 | 0
With impairment reserve recorded |  | 0 | 0
Total |  | 0 | 0
Net foregone interest income |  |  |
With no impairment reserve recorded |  | 39 | 82
With impairment reserve recorded |  | 0 | 0
Total |  | $ 39 | $ 82
[1] | (1)Average recorded investment is calculated primarily using daily average balances.

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