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Loan and Lease Receivables (Tables) | 12 Months Ended
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Dec. 31, 2018
Receivables [Abstract] |
Schedule of Outstanding Loan and Lease Receivables | Outstanding loan and lease receivables as of December 31, 2017 and 2016 were categorized as follows:
|  | 2017 |  |  | 2016 |
Commercial real estate |  | $ | 891,971 |  |  | $ | 796,950 |
Residential real estate |  |  | 577,123 |  |  |  | 610,699 |
Construction, land development, and other land |  |  | 105,996 |  |  |  | 141,122 |
Commercial and industrial |  |  | 522,254 |  |  |  | 439,476 |
Installment and other |  |  | 4,182 |  |  |  | 2,917 |
Lease financing receivables |  |  | 174,165 |  |  |  | 155,999 |
Total loans and leases |  |  | 2,275,691 |  |  |  | 2,147,163 |
Net unamortized deferred fees and costs |  |  | (1,720 | ) |  |  | (2,119 | )
Initial direct costs |  |  | 3,521 |  |  |  | 2,967 |
Allowance for loan and lease losses |  |  | (16,706 | ) |  |  | (10,923 | )
Net loans and leases |  | $ | 2,260,786 |  |  | $ | 2,137,088 |
|  | 2017 |  |  | 2016 |
Lease financing receivables |  |  |  |  |  |  |  |
Net minimum lease payments |  | $ | 188,986 |  |  | $ | 168,345 |
Unguaranteed residual values |  |  | 1,644 |  |  |  | 1,787 |
Unearned income |  |  | (16,465 | ) |  |  | (14,133 | )
Total lease financing receivables |  |  | 174,165 |  |  |  | 155,999 |
Initial direct costs |  |  | 3,521 |  |  |  | 2,967 |
Lease financial receivables before allowance for lease losses |  | $ | 177,686 |  |  | $ | 158,966 |
Summary of Minimum Annual Lease Payments for Lease Financing Receivables | The minimum annual lease payments for lease financing receivables as of December 31, 2017 are summarized as follows:
|  | Minimum Lease Payments |
2018 |  | $ | 65,770 |
2019 |  |  | 53,702 |
2020 |  |  | 37,914 |
2021 |  |  | 21,743 |
2022 |  |  | 8,922 |
Thereafter |  |  | 935 |
Total |  | $ | 188,986 |
Summary of Balances for Each Respective Loan and Lease Category | The following tables summarize the balances for each respective loan and lease category as of December 31, 2017 and 2016:
2017 |  | Originated |  |  | Acquired Impaired |  |  | Acquired Non- Impaired |  |  | Total |
Commercial real estate |  | $ | 513,622 |  |  | $ | 166,712 |  |  | $ | 211,359 |  |  | $ | 891,693 |
Residential real estate |  |  | 400,571 |  |  |  | 144,562 |  |  |  | 32,085 |  |  |  | 577,218 |
Construction, land development, and other land |  |  | 97,638 |  |  |  | 5,946 |  |  |  | 1,845 |  |  |  | 105,429 |
Commercial and industrial |  |  | 416,499 |  |  |  | 10,008 |  |  |  | 94,731 |  |  |  | 521,238 |
Installment and other |  |  | 3,724 |  |  |  | 462 |  |  |  | 42 |  |  |  | 4,228 |
Lease financing receivables |  |  | 141,329 |  |  |  | — |  |  |  | 36,357 |  |  |  | 177,686 |
Total loans and leases |  | $ | 1,573,383 |  |  | $ | 327,690 |  |  | $ | 376,419 |  |  | $ | 2,277,492 |
2016 |  | Originated |  |  | Acquired Impaired |  |  | Acquired Non- Impaired |  |  | Total |
Commercial real estate |  | $ | 338,752 |  |  | $ | 207,303 |  |  | $ | 250,289 |  |  | $ | 796,344 |
Residential real estate |  |  | 394,168 |  |  |  | 175,717 |  |  |  | 40,853 |  |  |  | 610,738 |
Construction, land development, and other land |  |  | 119,357 |  |  |  | 6,979 |  |  |  | 14,430 |  |  |  | 140,766 |
Commercial and industrial |  |  | 309,097 |  |  |  | 13,464 |  |  |  | 115,677 |  |  |  | 438,238 |
Installment and other |  |  | 2,021 |  |  |  | 574 |  |  |  | 364 |  |  |  | 2,959 |
Lease financing receivables |  |  | 118,493 |  |  |  | — |  |  |  | 40,473 |  |  |  | 158,966 |
Total loans and leases |  | $ | 1,281,888 |  |  | $ | 404,037 |  |  | $ | 462,086 |  |  | $ | 2,148,011 |
Schedule of Estimated Fair Value of Impaired Loans Acquired at Acquisition | The following table presents a reconciliation of the undiscounted contractual cash flows, non‑accretable difference, accretable yield, and fair value of acquired impaired loans as of the acquisition date of October 14, 2016:
Undiscounted contractual cash flows |  | $ | 66,488 |
Undiscounted cash flows not expected to be collected (non-accretable difference) |  |  | (19,918 | )
Undiscounted cash flows expected to be collected |  |  | 46,570 |
Accretable yield at acquisition |  |  | (6,916 | )
Estimated fair value of impaired loans acquired at acquisition |  | $ | 39,654 |
Summary of Outstanding Balance and Carrying Amount of All Acquired Impaired Loans | The outstanding balance and carrying amount of all acquired impaired loans are summarized below. The balances do not include an allowance for loan and lease losses of $3.9 million and $1.6 million, respectively, at December 31, 2017 and 2016.
|  | 2017 |  |  | 2016 |
|  | Outstanding Balance |  |  | Carrying Value |  |  | Outstanding Balance |  |  | Carrying Value |
Commercial real estate |  | $ | 235,898 |  |  | $ | 166,712 |  |  | $ | 278,893 |  |  | $ | 207,303 |
Residential real estate |  |  | 207,660 |  |  |  | 144,562 |  |  |  | 236,384 |  |  |  | 175,717 |
Construction, land development, and other land |  |  | 13,270 |  |  |  | 5,946 |  |  |  | 15,292 |  |  |  | 6,979 |
Commercial and industrial |  |  | 18,333 |  |  |  | 10,008 |  |  |  | 23,164 |  |  |  | 13,464 |
Installment and other |  |  | 1,819 |  |  |  | 462 |  |  |  | 1,976 |  |  |  | 574 |
Total acquired impaired loans |  | $ | 476,980 |  |  | $ | 327,690 |  |  | $ | 555,709 |  |  | $ | 404,037 |
Summary of Changes in Accretable Yield for Acquired Impaired Loans | The following table summarizes the changes in accretable yield for acquired impaired loans for the years ended December 31, 2017, 2016, and 2015:
|  | 2017 |  |  | 2016 |  |  | 2015 |
Beginning balance |  | $ | 36,868 |  |  | $ | 43,915 |  |  | $ | 68,238 |
Additions |  |  | — |  |  |  | 6,916 |  |  |  | — |
Accretion to interest income |  |  | (24,597 | ) |  |  | (26,208 | ) |  |  | (35,547 | )
Reclassification from nonaccretable difference |  |  | 24,175 |  |  |  | 12,245 |  |  |  | 11,224 |
Ending balance |  | $ | 36,446 |  |  | $ | 36,868 |  |  | $ | 43,915 |
Schedule of Unpaid Principal Balance and Carrying Value for Acquired Non-Impaired Loans and Leases | The unpaid principal balance and carrying value for acquired non‑impaired loans and leases at December 31, 2017 and 2016 were as follows:
|  | 2017 |  |  | 2016 |
|  | Unpaid Principal Balance |  |  | Carrying Value |  |  | Unpaid Principal Balance |  |  | Carrying Value |
Commercial real estate |  | $ | 221,710 |  |  | $ | 211,359 |  |  | $ | 259,055 |  |  | $ | 250,289 |
Residential real estate |  |  | 32,605 |  |  |  | 32,085 |  |  |  | 41,282 |  |  |  | 40,853 |
Construction, land development, and other land |  |  | 1,926 |  |  |  | 1,845 |  |  |  | 14,619 |  |  |  | 14,430 |
Commercial and industrial |  |  | 105,529 |  |  |  | 94,731 |  |  |  | 125,806 |  |  |  | 115,677 |
Installment and other |  |  | 355 |  |  |  | 42 |  |  |  | 402 |  |  |  | 364 |
Lease financing receivables |  |  | 37,476 |  |  |  | 36,357 |  |  |  | 40,205 |  |  |  | 40,473 |
Total acquired non-impaired loans and leases |  | $ | 399,601 |  |  | $ | 376,419 |  |  | $ | 481,369 |  |  | $ | 462,086 |

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