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Reserve for Loan and Lease Losses (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($) | Jun. 30, 2016 USD ($) item | Dec. 31, 2015 USD ($)
Reserve for loan and lease losses |  |  |  |  |  |
Number of classes existing in loan and lease portfolio | item |  |  |  |  | 8 |
Changes in reserve for loan and lease losses |  |  |  |  |  |
Balance at the beginning of the period | $ 89,296 | $ 85,098 | $ 88,112 | $ 85,068 |  |
Charge-offs | 331 | 220 | 895 | 1,421 |  |
Recoveries | 444 | 899 | 1,217 | 1,773 |  |
Net charge-offs (recoveries) | (113) | (679) | (322) | (352) |  |
Provision (recovery of provision) | 2,049 | 811 | 3,024 | 1,168 |  |
Balance at the end of the period | 91,458 | 86,588 | 91,458 | 86,588 |  |
Reserve for loan and lease losses |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | $ 1,904 | $ 797
Ending balance, collectively evaluated for impairment |  |  |  |  | 89,554 | 87,315
Total reserve for loan and lease losses | 89,296 | 85,098 | 88,112 | 85,068 | 91,458 | 88,112
Recorded investment in loans |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 9,945 | 17,683
Ending balance, collectively evaluated for impairment |  |  |  |  | 4,142,818 | 3,977,009
Total loans and leases |  |  |  |  | 4,152,763 | 3,994,692
Commercial and agricultural |  |  |  |  |  |
Changes in reserve for loan and lease losses |  |  |  |  |  |
Balance at the beginning of the period | 14,735 | 11,620 | 15,456 | 11,760 |  |
Charge-offs | 16 | 22 | 216 | 965 |  |
Recoveries | 109 | 86 | 200 | 564 |  |
Net charge-offs (recoveries) | (93) | (64) | 16 | 401 |  |
Provision (recovery of provision) | 7 | 181 | (605) | 506 |  |
Balance at the end of the period | 14,835 | 11,865 | 14,835 | 11,865 |  |
Reserve for loan and lease losses |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 463 | 649
Ending balance, collectively evaluated for impairment |  |  |  |  | 14,372 | 14,807
Total reserve for loan and lease losses | 14,735 | 11,620 | 15,456 | 11,760 | 14,835 | 15,456
Recorded investment in loans |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 3,184 | 3,900
Ending balance, collectively evaluated for impairment |  |  |  |  | 755,991 | 740,849
Total loans and leases |  |  |  |  | 759,175 | 744,749
Auto and light truck |  |  |  |  |  |
Changes in reserve for loan and lease losses |  |  |  |  |  |
Balance at the beginning of the period | 9,582 | 10,793 | 9,269 | 10,326 |  |
Charge-offs | 0 | 0 | 3 | 22 |  |
Recoveries | 64 | 191 | 126 | 251 |  |
Net charge-offs (recoveries) | (64) | (191) | (123) | (229) |  |
Provision (recovery of provision) | 2,021 | 461 | 2,275 | 890 |  |
Balance at the end of the period | 11,667 | 11,445 | 11,667 | 11,445 |  |
Reserve for loan and lease losses |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 0 | 0
Ending balance, collectively evaluated for impairment |  |  |  |  | 11,667 | 9,269
Total reserve for loan and lease losses | 9,582 | 10,793 | 9,269 | 10,326 | 11,667 | 9,269
Recorded investment in loans |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 0 | 0
Ending balance, collectively evaluated for impairment |  |  |  |  | 457,586 | 425,236
Total loans and leases |  |  |  |  | 457,586 | 425,236
Medium and heavy duty truck |  |  |  |  |  |
Changes in reserve for loan and lease losses |  |  |  |  |  |
Balance at the beginning of the period | 4,511 | 4,364 | 4,699 | 4,500 |  |
Charge-offs | 0 | 0 | 0 | 0 |  |
Recoveries | 2 | 2 | 10 | 5 |  |
Net charge-offs (recoveries) | (2) | (2) | (10) | (5) |  |
Provision (recovery of provision) | (163) | (33) | (359) | (172) |  |
Balance at the end of the period | 4,350 | 4,333 | 4,350 | 4,333 |  |
Reserve for loan and lease losses |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 0 | 0
Ending balance, collectively evaluated for impairment |  |  |  |  | 4,350 | 4,699
Total reserve for loan and lease losses | 4,511 | 4,364 | 4,699 | 4,500 | 4,350 | 4,699
Recorded investment in loans |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 0 | 0
Ending balance, collectively evaluated for impairment |  |  |  |  | 273,674 | 278,254
Total loans and leases |  |  |  |  | 273,674 | 278,254
Aircraft |  |  |  |  |  |
Changes in reserve for loan and lease losses |  |  |  |  |  |
Balance at the beginning of the period | 34,240 | 31,301 | 32,373 | 32,234 |  |
Charge-offs | 0 | 0 | 0 | 49 |  |
Recoveries | 89 | 398 | 227 | 442 |  |
Net charge-offs (recoveries) | (89) | (398) | (227) | (393) |  |
Provision (recovery of provision) | 332 | 1,141 | 2,061 | 213 |  |
Balance at the end of the period | 34,661 | 32,840 | 34,661 | 32,840 |  |
Reserve for loan and lease losses |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 1,296 | 0
Ending balance, collectively evaluated for impairment |  |  |  |  | 33,365 | 32,373
Total reserve for loan and lease losses | 34,240 | 31,301 | 32,373 | 32,234 | 34,661 | 32,373
Recorded investment in loans |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 4,280 | 4,384
Ending balance, collectively evaluated for impairment |  |  |  |  | 818,562 | 773,628
Total loans and leases |  |  |  |  | 822,842 | 778,012
Construction equipment |  |  |  |  |  |
Changes in reserve for loan and lease losses |  |  |  |  |  |
Balance at the beginning of the period | 7,462 | 7,740 | 7,592 | 7,008 |  |
Charge-offs | 0 | 0 | 92 | 0 |  |
Recoveries | 70 | 123 | 148 | 245 |  |
Net charge-offs (recoveries) | (70) | (123) | (56) | (245) |  |
Provision (recovery of provision) | (20) | (56) | (136) | 554 |  |
Balance at the end of the period | 7,512 | 7,807 | 7,512 | 7,807 |  |
Reserve for loan and lease losses |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 0 | 0
Ending balance, collectively evaluated for impairment |  |  |  |  | 7,512 | 7,592
Total reserve for loan and lease losses | 7,462 | 7,740 | 7,592 | 7,008 | 7,512 | 7,592
Recorded investment in loans |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 577 | 539
Ending balance, collectively evaluated for impairment |  |  |  |  | 483,777 | 455,026
Total loans and leases |  |  |  |  | 484,354 | 455,565
Commercial real estate |  |  |  |  |  |
Changes in reserve for loan and lease losses |  |  |  |  |  |
Balance at the beginning of the period | 13,835 | 13,186 | 13,762 | 13,270 |  |
Charge-offs | 0 | 0 | 1 | 0 |  |
Recoveries | 34 | 38 | 339 | 135 |  |
Net charge-offs (recoveries) | (34) | (38) | (338) | (135) |  |
Provision (recovery of provision) | (407) | 2 | (638) | (179) |  |
Balance at the end of the period | 13,462 | 13,226 | 13,462 | 13,226 |  |
Reserve for loan and lease losses |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 0 | 0
Ending balance, collectively evaluated for impairment |  |  |  |  | 13,462 | 13,762
Total reserve for loan and lease losses | 13,835 | 13,186 | 13,762 | 13,270 | 13,462 | 13,762
Recorded investment in loans |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 1,541 | 8,494
Ending balance, collectively evaluated for impairment |  |  |  |  | 714,391 | 691,774
Total loans and leases |  |  |  |  | 715,932 | 700,268
Residential real estate and home equity |  |  |  |  |  |
Changes in reserve for loan and lease losses |  |  |  |  |  |
Balance at the beginning of the period | 3,379 | 4,115 | 3,382 | 4,102 |  |
Charge-offs | 58 | 25 | 81 | 65 |  |
Recoveries | 4 | 5 | 6 | 7 |  |
Net charge-offs (recoveries) | 54 | 20 | 75 | 58 |  |
Provision (recovery of provision) | 52 | (651) | 70 | (600) |  |
Balance at the end of the period | 3,377 | 3,444 | 3,377 | 3,444 |  |
Reserve for loan and lease losses |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 145 | 148
Ending balance, collectively evaluated for impairment |  |  |  |  | 3,232 | 3,234
Total reserve for loan and lease losses | 3,379 | 4,115 | 3,382 | 4,102 | 3,377 | 3,382
Recorded investment in loans |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 363 | 366
Ending balance, collectively evaluated for impairment |  |  |  |  | 482,616 | 463,763
Total loans and leases |  |  |  |  | 482,979 | 464,129
Consumer |  |  |  |  |  |
Changes in reserve for loan and lease losses |  |  |  |  |  |
Balance at the beginning of the period | 1,552 | 1,979 | 1,579 | 1,868 |  |
Charge-offs | 257 | 173 | 502 | 320 |  |
Recoveries | 72 | 56 | 161 | 124 |  |
Net charge-offs (recoveries) | 185 | 117 | 341 | 196 |  |
Provision (recovery of provision) | 227 | (234) | 356 | (44) |  |
Balance at the end of the period | 1,594 | 1,628 | 1,594 | 1,628 |  |
Reserve for loan and lease losses |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 0 | 0
Ending balance, collectively evaluated for impairment |  |  |  |  | 1,594 | 1,579
Total reserve for loan and lease losses | $ 1,552 | $ 1,979 | $ 1,579 | $ 1,868 | 1,594 | 1,579
Recorded investment in loans |  |  |  |  |  |
Ending balance, individually evaluated for impairment |  |  |  |  | 0 | 0
Ending balance, collectively evaluated for impairment |  |  |  |  | 156,221 | 148,479
Total loans and leases |  |  |  |  | $ 156,221 | $ 148,479

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