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Loans and the Allowance for Loan Losses (Tables) | 6 Months Ended
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Jun. 30, 2018
Receivables [Abstract] |
Loans held for sale [Table Text Block] | Loans held-for-sale - The following table sets forth the composition of the Company’s loans held-for-sale portfolio at June 30, 2018 and December 31, 2017:
|  | June 30, |  | December 31,
|  | 2018 |  | 2017
|  | (dollars in thousands)
Commercial real estate |  | $ | - |  | $ | 24,475
Increase in valuation allowance |  |  | - |  |  | 370
Total carrying amount |  | $ | - |  | $ | 24,845
Activity in the valuation allowance [Table Text Block] | The following table sets forth the composition of the Company’s valuation allowance within the loans held-for-sale portfolio during the three and six months ended June 30, 2018 and June 30, 2017:
|  | Three Months |  | Three Months
|  | Ended |  | Ended
|  | June 30, 2018 |  | June 30, 2017
|  | (dollars in thousands)
Balance at April 1, |  | $ | - |  | $ | 2,600
Increase in valuation allowance |  |  | - |  |  | 9,725
Balance at June 30, |  | $ | - |  | $ | 12,325
|  | Six Months |  | Six Months
|  | Ended |  | Ended
|  | June 30, 2018 |  |  | June 30, 2017
|  | (dollars in thousands)
Balance at January 1, |  | $ | - |  | $ | -
Residential real estate |  |  | - |  |  | 12,325
Balance at June 30, |  | $ | - |  | $ | 12,325
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] | The following table sets forth the composition of the Company’s loan portfolio, including net deferred loan fees, at June 30, 2018 and December 31, 2017:
|  | June 30, |  | December 31,
|  | 2018 |  | 2017
|  | (dollars in thousands)
Commercial |  | $ | 853,629 |  |  | $ | 824,082 |
Commercial real estate |  |  | 2,717,644 |  |  |  | 2,592,909 |
Commercial construction |  |  | 498,607 |  |  |  | 483,216 |
Residential real estate |  |  | 288,449 |  |  |  | 271,795 |
Consumer |  |  | 5,637 |  |  |  | 2,808 |
Gross loans |  |  | 4,363,966 |  |  |  | 4,174,810 |
Net deferred loan fees |  |  | (3,112 | ) |  |  | (3,354 | )
Total loans receivable |  | $ | 4,360,854 |  |  | $ | 4,171,456
Loans and Leases Receivable Purchase Credit Impaired Loans [Table Text Block] | The recorded investment of those loans is as follows at June 30, 2018 and December 31, 2017.
|  | June 30, |  | December 31,
|  | 2018 |  | 2017
|  | (dollars in thousands)
Commercial |  | $ | 2,629 |  | $ | 2,683
Loans and Leases Receivable Purchased Loans [Table Text Block] | The following table presents the accretable yield, or income expected to be collected, on the purchased credit-impaired loans for three and six months ended June 30, 2018 and June 30, 2017:
|  | Three Months |  | Three Months
|  | Ended |  | Ended
|  | June 30, 2018 |  | June 30, 2017
|  | (dollars in thousands)
Balance at April 1, |  | $ | 1,322 |  |  | $ | 2,674 |
Accretion of income |  |  | (63 | ) |  |  | (178 | )
Balance at June 30, |  | $ | 1,259 |  |  | $ | 2,496 |
|  | Six Months |  | Six Months
|  | Ended |  | Ended
|  | June 30, 2018 |  | June 30, 2017
|  | (dollars in thousands)
Balance at January 1, |  | $ | 1,387 |  |  | $ | 2,860 |
Accretion of income |  |  | (128 | ) |  |  | (364 | )
Balance at June 30, |  | $ | 1,259 |  |  | $ | 2,496
Schedule of Financing Receivables, Non Accrual Status [Table Text Block] | The following table sets forth the composition of the Company’s nonaccrual loans as of June 30, 2018 and December 31, 2017:
|  | June 30, |  | December 31,
|  | 2018 |  | 2017
|  | (dollars in thousands)
Commercial |  | $ | 29,205 |  | $ | 47,363
Commercial real estate |  |  | 15,657 |  |  | 12,757
Residential real estate |  |  | 4,853 |  |  | 5,493
Total nonaccrual loans |  | $ | 49,715 |  | $ | 65,613
Financing Receivable Credit Quality Indicators [Table Text Block] | The following table presents information, excluding loans held-for-sale and net deferred loan fees, about the Company’s loan credit quality at June 30, 2018 and December 31, 2017:
|  | June 30, 2018
|  |  |  |  | Special |  |  |  |  |  |  |  |  |
|  | Pass |  | Mention |  |  | Substandard |  | Doubtful |  | Total
|  | (dollars in thousands)
Commercial |  | $ | 806,912 |  | $ | 13,301 |  | $ | 33,416 |  | $ | - |  | $ | 853,629
Commercial real estate |  |  | 2,671,130 |  |  | 16,376 |  |  | 30,138 |  |  | - |  |  | 2,717,644
Commercial construction |  |  | 491,007 |  |  | 3,167 |  |  | 4,433 |  |  | - |  |  | 498,607
Residential real estate |  |  | 282,784 |  |  | - |  |  | 5,665 |  |  | - |  |  | 288,449
Consumer |  |  | 5,609 |  |  | - |  |  | 28 |  |  | - |  |  | 5,637
Gross loans |  | $ | 4,257,442 |  | $ | 32,844 |  | $ | 73,680 |  | $ | - |  | $ | 4,363,966
|  | December 31, 2017
|  |  |  |  | Special |  |  |  |  |  |  |  |  |
|  | Pass |  | Mention |  | Substandard |  | Doubtful |  | Total
|  | (dollars in thousands)
Commercial |  | $ | 767,020 |  | $ | 3,764 |  | $ | 53,298 |  | $ | - |  | $ | 824,082
Commercial real estate |  |  | 2,534,973 |  |  | 34,335 |  |  | 23,601 |  |  | - |  |  | 2,592,909
Commercial construction |  |  | 475,066 |  |  | 5,521 |  |  | 2,629 |  |  | - |  |  | 483,216
Residential real estate |  |  | 266,163 |  |  | - |  |  | 5,632 |  |  | - |  |  | 271,795
Consumer |  |  | 2,767 |  |  | - |  |  | 41 |  |  | - |  |  | 2,808
Gross loans |  | $ | 4,045,989 |  | $ | 43,620 |  | $ | 85,201 |  | $ | - |  | $ | 4,174,810
Impaired Financing Receivables [Table Text Block] | The following table provides an analysis of the impaired loans by segment as of June 30, 2018 and December 31, 2017:
|  | June 30, 2018
|  |  |  |  | Unpaid |  |  |
|  | Recorded |  | Principal |  | Related
|  | Investment |  | Balance |  | Allowance
No related allowance recorded |  | (dollars in thousands)
Commercial |  | $ | 31,301 |  | $ | 91,966 |  |  |
Commercial real estate |  |  | 23,354 |  |  | 23,477 |  |  |
Commercial construction |  |  | 7,600 |  |  | 7,600 |  |  |
Residential real estate |  |  | 2,528 |  |  | 2,811 |  |  |
Consumer |  |  | - |  |  | - |  |  |
Total |  | $ | 64,783 |  | $ | 125,854 |  |  |
With an allowance recorded |  |  |  |  |  |  |  |  |
Commercial real estate |  | $ | 8,539 |  | $ | 8,539 |  | $ | 672
Total |  |  |  |  |  |  |  |  |
Commercial |  | $ | 31,301 |  | $ | 91,966 |  | $ | -
Commercial real estate |  |  | 31,893 |  |  | 32,016 |  |  | 672
Commercial construction |  |  | 7,600 |  |  | 7,600 |  |  | -
Residential real estate |  |  | 2,528 |  |  | 2,811 |  |  | -
Consumer |  |  | - |  |  | - |  |  | -
Total (including allowance) |  | $ | 73,322 |  | $ | 134,393 |  | $ | 672
|  | December 31, 2017
|  |  |  |  | Unpaid |  |  |
|  | Recorded |  | Principal |  | Related
|  | Investment |  | Balance |  | Allowance
No related allowance recorded |  | (dollars in thousands)
Commercial |  | $ | 49,761 |  | $ | 101,066 |  |  |
Commercial real estate |  |  | 23,905 |  |  | 23,976 |  |  |
Commercial construction |  |  | 6,662 |  |  | 6,662 |  |  |
Residential real estate |  |  | 3,203 |  |  | 3,442 |  |  |
Consumer |  |  | - |  |  | - |  |  |
Total |  | $ | 83,531 |  | $ | 135,146 |  |  |
With an allowance recorded |  |  |  |  |  |  |  |  |
Commercial real estate |  | $ | 1,133 |  | $ | 1,133 |  | $ | 39
Total |  |  |  |  |  |  |  |  |
Commercial |  | $ | 49,761 |  | $ | 101,066 |  | $ | -
Commercial real estate |  |  | 25,038 |  |  | 25,109 |  |  | 39
Commercial construction |  |  | 6,662 |  |  | 6,662 |  |  | -
Residential real estate |  |  | 3,203 |  |  | 3,442 |  |  | -
Consumer |  |  | - |  |  | - |  |  | -
Total (including allowance) |  | $ | 84,664 |  | $ | 136,279 |  | $ | 39
Schedule of Average Balance and Interest Income Recognized on Impaired Loans [Table Text Block] | The following table provides an analysis related to the average recorded investment and interest income recognized on impaired loans by segment as of and for the three and six months ended June 30, 2018 and 2017:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2018 |  | 2017 |  | 2018 |  | 2017
|  | Average |  | Interest |  | Average |  | Interest |  | Average |  | Interest |  | Average |  | Interest
|  | Recorded |  | Income |  | Recorded |  | Income |  | Recorded |  | Income |  | Recorded |  | Income
|  | Investment |  | Recognized |  | Investment |  | Recognized |  | Investment |  | Recognized |  | Investment |  | Recognized
|  | (dollars in thousands)
Impaired loans (no allowance) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial |  | $ | 38,770 |  | $ | 35 |  | $ | 3,209 |  | $ | 42 |  | $ | 42,056 |  | $ | 66 |  | $ | 3,230 |  | $ | 81
Commercial real estate |  |  | 23,422 |  |  | 127 |  |  | 15,456 |  |  | 97 |  |  | 23,504 |  |  | 370 |  |  | 14,526 |  |  | 203
Commercial construction |  |  | 9,225 |  |  | 176 |  |  | 4,263 |  |  | 69 |  |  | 9,845 |  |  | 295 |  |  | 4,266 |  |  | 152
Residential real estate |  |  | 2,569 |  |  | - |  |  | 1,200 |  |  | 2 |  |  | 2,599 |  |  | - |  |  | 1,210 |  |  | 4
Consumer |  |  | - |  |  | - |  |  | 54 |  |  | - |  |  | - |  |  | - |  |  | 56 |  |  | 1
Total |  | $ | 73,986 |  | $ | 338 |  | $ | 24,182 |  | $ | 210 |  | $ | 78,004 |  | $ | 731 |  | $ | 23,288 |  | $ | 441
Impaired loans (allowance): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial real estate |  | $ | 8,544 |  | $ | 11 |  | $ | 1,933 |  | $ | 33 |  | $ | 8,548 |  | $ | 23 |  | $ | 1,941 |  | $ | 38
Total impaired loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commercial |  | $ | 38,770 |  | $ | 35 |  | $ | 3,209 |  | $ | 42 |  | $ | 42,056 |  | $ | 66 |  | $ | 3,230 |  | $ | 81
Commercial real estate |  |  | 31,966 |  |  | 138 |  |  | 17,389 |  |  | 130 |  |  | 32,052 |  |  | 393 |  |  | 16,467 |  |  | 241
Commercial construction |  |  | 9,225 |  |  | 176 |  |  | 4,263 |  |  | 69 |  |  | 9,845 |  |  | 295 |  |  | 4,266 |  |  | 152
Residential mortgage |  |  | 2,569 |  |  | - |  |  | 1,200 |  |  | 2 |  |  | 2,599 |  |  | - |  |  | 1,210 |  |  | 4
Consumer |  |  | - |  |  | - |  |  | 54 |  |  | - |  |  | - |  |  | - |  |  | 56 |  |  | 1
Total |  | $ | 82,530 |  | $ | 349 |  | $ | 26,115 |  | $ | 233 |  | $ | 86,552 |  | $ | 754 |  | $ | 25,229 |  | $ | 479
Past Due Financing Receivables [Table Text Block] | The following table provides an analysis of the aging of gross loans (excluding loans held-for-sale) that are past due at June 30, 2018 and December 31, 2017 by segment: Aging Analysis
|  | June 30, 2018
|  |  |  |  |  |  |  | 90 Days or |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  |  | Greater Past |  |  |  |  | Total Past |  |  |  |  |  |
|  | 30-59 Days |  | 60-89 Days |  | Due and Still |  |  |  |  | Due and |  |  |  |  |  |
|  | Past Due |  | Past Due |  | Accruing |  | Nonaccrual |  | Nonaccrual |  | Current |  | Gross Loans
|  | (dollars in thousands)
Commercial |  | $ | 252 |  | $ | 122 |  | $ | 437 |  | $ | 29,205 |  | $ | 30,016 |  | $ | 823,613 |  | $ | 853,629
Commercial real estate |  |  | 326 |  |  | 5,307 |  |  | - |  |  | 15,657 |  |  | 21,290 |  |  | 2,696,354 |  |  | 2,717,644
Commercial construction |  |  | - |  |  | - |  |  | - |  |  | - |  |  | - |  |  | 498,607 |  |  | 498,607
Residential real estate |  |  | - |  |  | 69 |  |  | - |  |  | 4,853 |  |  | 4,922 |  |  | 283,527 |  |  | 288,449
Consumer |  |  | - |  |  | 6 |  |  | - |  |  | - |  |  | 6 |  |  | 5,631 |  |  | 5,637
Total |  | $ | 578 |  | $ | 5,504 |  | $ | 437 |  | $ | 49,715 |  | $ | 56,234 |  | $ | 4,307,732 |  | $ | 4,363,966
|  | December 31, 2017
|  |  |  |  |  |  |  | 90 Days or |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  |  | Greater Past |  |  |  |  | Total Past |  |  |  |  |  |
|  | 30-59 Days |  | 60-89 Days |  | Due and Still |  |  |  |  | Due and |  |  |  |  |  |
|  | Past Due |  | Past Due |  | Accruing |  | Nonaccrual |  | Nonaccrual |  | Current |  | Gross Loans
|  | (dollars in thousands)
Commercial |  | $ | 1,708 |  | $ | 183 |  | $ | 1,664 |  | $ | 47,363 |  | $ | 50,918 |  | $ | 773,164 |  | $ | 824,082
Commercial real estate |  |  | 545 |  |  | 1,475 |  |  | - |  |  | 12,757 |  |  | 14,777 |  |  | 2,578,132 |  |  | 2,592,909
Commercial construction |  |  | - |  |  | - |  |  | - |  |  | - |  |  | - |  |  | 483,216 |  |  | 483,216
Residential real estate |  |  | 1,578 |  |  | - |  |  | - |  |  | 5,493 |  |  | 7,071 |  |  | 264,724 |  |  | 271,795
Consumer |  |  | 18 |  |  | - |  |  | - |  |  | - |  |  | 18 |  |  | 2,790 |  |  | 2,808
Total |  | $ | 3,849 |  | $ | 1,658 |  | $ | 1,664 |  | $ | 65,613 |  | $ | 72,784 |  | $ | 4,102,026 |  | $ | 4,174,810
Schedule of Recorded Investment in Financing Receivables [Table Text Block] | The following tables detail, at the period-end presented, the amount of gross loans (excluding loans held-for-sale) that are evaluated individually, and collectively, for impairment, those acquired with deteriorated credit quality, and the related portion of the allowance for loan losses (“ALLL”) that are allocated to each loan portfolio segment:
|  | June 30, 2018
|  |  |  |  | Commercial |  | Commercial |  | Residential |  |  |  |  |  |  |  |  |
|  | Commercial |  | real estate |  | construction |  | real estate |  | Consumer |  | Unallocated |  | Total
|  | (dollars in thousands)
ALLL |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | - |  | $ | 672 |  | $ | - |  | $ | - |  | $ | - |  | $ | - |  | $ | 672
Collectively evaluated for impairment |  |  | 8,760 |  |  | 16,399 |  |  | 4,812 |  |  | 1,167 |  |  | 3 |  |  | 431 |  |  | 31,572
Acquired portfolio |  |  | 200 |  |  | 1,150 |  |  | - |  |  | - |  |  | - |  |  | - |  |  | 1,350
Acquired with deteriorated credit quality |  |  | - |  |  | - |  |  | - |  |  | - |  |  | - |  |  | - |  |  | -
Total |  | $ | 8,960 |  | $ | 18,221 |  | $ | 4,812 |  | $ | 1,167 |  | $ | 3 |  | $ | 431 |  | $ | 33,594
Gross loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 31,301 |  | $ | 31,893 |  | $ | 7,600 |  | $ | 2,528 |  | $ | - |  |  |  |  | $ | 73,322
Collectively evaluated for impairment |  |  | 809,832 |  |  | 2,391,316 |  |  | 491,007 |  |  | 237,726 |  |  | 5,233 |  |  |  |  |  | 3,935,114
Acquired portfolio |  |  | 9,867 |  |  | 294,435 |  |  | - |  |  | 48,195 |  |  | 404 |  |  |  |  |  | 352,901
Acquired with deteriorated credit quality |  |  | 2,629 |  |  | - |  |  | - |  |  | - |  |  | - |  |  |  |  |  | 2,629
Total |  | $ | 853,629 |  | $ | 2,717,644 |  | $ | 498,607 |  | $ | 288,449 |  | $ | 5,637 |  |  |  |  | $ | 4,363,966
|  | Decem ber 31, 2017
|  |  |  |  | Commercial |  | Commercial |  | Residential |  |  |  |  |  |  |  |  |
|  | Commercial |  | real estate |  | construction |  | real estate |  | Consumer |  | Unallocated |  | Total
|  | (dollars in thousands)
Allowance for loan losses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | - |  | $ | 39 |  | $ | - |  | $ | - |  | $ | - |  | $ | - |  | $ | 39
Collectively evaluated for impairment |  |  | 8,032 |  |  | 15,472 |  |  | 4,747 |  |  | 1,051 |  |  | 2 |  |  | 605 |  |  | 29,909
Acquired portfolio |  |  | 200 |  |  | 1,600 |  |  | - |  |  | - |  |  | - |  |  | - |  |  | 1,800
Acquired with deteriorated credit quality |  |  | - |  |  | - |  |  | - |  |  | - |  |  | - |  |  | - |  |  | -
Total |  | $ | 8,232 |  | $ | 17,111 |  | $ | 4,747 |  | $ | 1,051 |  | $ | 2 |  | $ | 605 |  | $ | 31,748
Gross loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Individually evaluated for impairment |  | $ | 49,761 |  | $ | 25,038 |  | $ | 6,662 |  | $ | 3,203 |  | $ | - |  |  |  |  | $ | 84,664
Collectively evaluated for impairment |  |  | 757,923 |  |  | 2,190,686 |  |  | 476,554 |  |  | 212,350 |  |  | 2,338 |  |  |  |  |  | 3,639,851
Acquired portfolio |  |  | 13,715 |  |  | 377,185 |  |  | - |  |  | 56,242 |  |  | 470 |  |  |  |  |  | 447,612
Acquired with deteriorated credit quality |  |  | 2,683 |  |  | - |  |  | - |  |  | - |  |  | - |  |  |  |  |  | 2,683
Total |  | $ | 824,082 |  | $ | 2,592,909 |  | $ | 483,216 |  | $ | 271,795 |  | $ | 2,808 |  |  |  |  | $ | 4,174,810
Allowance for Credit Losses on Financing Receivables [Table Text Block] | A summary of the activity in the ALLL is as follows:
|  | Three Months Ended June 30, 2018
|  |  |  |  |  | Commercial |  | Commercial |  | Residential |  |  |  |  |  |  |  |  |  |  |  |
|  | Commercial |  | real estate |  | construction |  | real estate |  | Consumer |  | Unallocated |  | Total
|  | (dollars in thousands)
Balance at March 31, 2018 |  | $ | 8,550 |  |  | $ | 17,435 |  | $ | 4,772 |  |  | $ | 1,109 |  |  | $ | 2 |  |  | $ | 661 |  |  | $ | 32,529 |
Charge-offs |  |  | (46 | ) |  |  | - |  |  | - |  |  |  | - |  |  |  | (1 | ) |  |  | - |  |  |  | (47 | )
Recoveries |  |  | 12 |  |  |  | - |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 12 |
Provision for loan losses |  |  | 444 |  |  |  | 786 |  |  | 40 |  |  |  | 58 |  |  |  | 2 |  |  |  | (230 | ) |  |  | 1,100 |
Balance at June 30, 2018 |  | $ | 8,960 |  |  | $ | 18,221 |  | $ | 4,812 |  |  | $ | 1,167 |  |  | $ | 3 |  |  | $ | 431 |  |  | $ | 33,594 |
|  | Three Months Ended June 30, 2017
|  |  |  |  |  | Commercial |  | Commercial |  | Residential |  |  |  |  |  |  |  |  |  |  |  |
|  | Commercial |  | real estate |  | construction |  | real estate |  | Consumer |  | Unallocated |  | Total
|  | (dollars in thousands)
Balance at March 31, 2017 |  | $ | 6,667 |  |  | $ | 14,118 |  | $ | 4,574 |  |  | $ | 1,008 |  |  | $ | 3 |  |  | $ | 531 |  |  | $ | 26,901 |
Charge-offs |  |  | - |  |  |  | - |  |  | - |  |  |  | - |  |  |  | (10 | ) |  |  | - |  |  |  | (10 | )
Recoveries |  |  | 15 |  |  |  | 45 |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 60 |
Provision |  |  | 556 |  |  |  | 1,226 |  |  | (333 | ) |  |  | (23 | ) |  |  | 9 |  |  |  | 15 |  |  |  | 1,450 |
Balance at June 30, 2017 |  | $ | 7,238 |  |  | $ | 15,389 |  | $ | 4,241 |  |  | $ | 985 |  |  | $ | 2 |  |  | $ | 546 |  |  | $ | 28,401 |
|  | Six Months Ended June 30, 2018
|  |  |  |  |  | Commercial |  | Commercial |  | Residential |  |  |  |  |  |  |  |  |  |  |  |
|  | Commercial |  | real estate |  | construction |  | real estate |  | Consumer |  | Unallocated |  | Total
|  | (dollars in thousands)
Balance at December 31, 2017 |  | $ | 8,233 |  |  | $ | 17,112 |  |  | $ | 4,747 |  |  | $ | 1,050 |  |  | $ | 1 |  |  | $ | 605 |  |  | $ | 31,748 |
Charge-offs |  |  | (17,066 | ) |  |  | - |  |  |  | - |  |  |  | (18 | ) |  |  | (1 | ) |  |  | - |  |  |  | (17,085 | )
Recoveries |  |  | 31 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 31 |
Provision |  |  | 17,762 |  |  |  | 1,109 |  |  |  | 65 |  |  |  | 135 |  |  |  | 3 |  |  |  | (174 | ) |  |  | 18,900 |
Balance at June 30, 2018 |  | $ | 8,960 |  |  | $ | 18,221 |  |  | $ | 4,812 |  |  | $ | 1,167 |  |  | $ | 3 |  |  | $ | 431 |  |  | $ | 33,594 |
|  | Six Months Ended June 30, 2017
|  |  |  |  |  | Commercial |  | Commercial |  | Residential |  |  |  |  |  |  |  |  |  |  |  |
|  | Commercial |  | real estate |  | construction |  | real estate |  | Consumer |  | Unallocated |  | Total
|  | (dollars in thousands)
Balance at December 31, 2016 |  | $ | 6,632 |  |  | $ | 12,583 |  |  | $ | 4,789 |  |  | $ | 958 |  |  | $ | 3 |  |  | $ | 779 |  |  | $ | 25,744 |
Charge-offs |  |  | - |  |  |  | (71 | ) |  |  | - |  |  |  | - |  |  |  | (11 | ) |  |  | - |  |  |  | (82 | )
Recoveries |  |  | 141 |  |  |  | 48 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 189 |
Provision |  |  | 465 |  |  |  | 2,829 |  |  |  | (548 | ) |  |  | 27 |  |  |  | 10 |  |  |  | (233 | ) |  |  | 2,550 |
Balance at June 30, 2017 |  | $ | 7,238 |  |  | $ | 15,389 |  |  | $ | 4,241 |  |  | $ | 985 |  |  | $ | 2 |  |  | $ | 546 |  |  | $ | 28,401
Allowance for Loan and Lease Losses [Table Text Block] | The following table presents a rollforward of TDRs and the related changes to the allowance for loan losses (“ALLL”) that occurred for the periods presented:
|  | Six Months Ended |  | Year Ended
|  | June 30, 2018 |  | December 31, 2017
|  | (dollars in thousands)
|  | Recorded |  |  |  |  |  | Recorded |  |  |
|  | Investment |  | ALLL |  | Investment |  | ALLL
Troubled Debt Restructurings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Beginning balance |  | $ | 20,518 |  |  | $ | - |  |  | $ | 13,818 |  |  | $ | -
Additions |  |  | 17,966 |  |  |  | 147 |  |  |  | 10,378 |  |  |  | -
Payoffs/paydowns |  |  | (4,848 | ) |  |  | - |  |  |  | (3,098 | ) |  |  | -
Transfers |  |  | - |  |  |  | - |  |  |  | (580 | ) |  |  | -
Other |  |  | - |  |  |  | (125 | ) |  |  | - |  |  |  | -
Ending balance |  | $ | 33,636 |  |  | $ | 22 |  |  | $ | 20,518 |  |  | $ | -
Schedule of Debtor Troubled Debt Restructuring, Current Period [Table Text Block] | The following table presents loans by class modified as TDRs that occurred during the six months ended June 30, 2018 (dollars in thousands):
|  |  |  | Pre-Modification |  | Post-Modification
|  |  |  | Outstanding |  | Outstanding
|  | Number of |  | Recorded |  | Recorded
|  | Loans |  | Investment |  | Investment
Troubled debt restructurings: |  |  |  |  |  |  |  |
Commercial |  | 30 |  | $ | 15,613 |  | $ | 15,613
Commercial real estate |  | 1 |  |  | 60 |  |  | 60
Commercial construction |  | 2 |  |  | 1,839 |  |  | 1,839
Residential |  | 2 |  |  | 454 |  |  | 454
Total |  | 35 |  | $ | 17,966 |  | $ | 17,966
The following table presents loans by segment modified as troubled debt restructurings that occurred during the six months ended June 30, 2017:
|  |  |  | Pre-Modification |  | Post-Modification
|  |  |  | Outstanding |  | Outstanding
|  | Number of |  | Recorded |  | Recorded
|  | Loans |  | Investment |  | Investment
|  | (dollars in thousands)
Troubled debt restructurings: |  |  |  |  |  |  |  |
Commercial real estate |  | 2 |  | $ | 3,042 |  | $ | 3,042
Residential |  | 1 |  |  | 17 |  |  | 17
Total |  | 3 |  | $ | 3,059 |  | $ | 3,059

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