Credit Quality Assessment (Details 1) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017 |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | $ 1,624,484 | $ 936,608 |
Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 1,024,138 | |
Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 600,346 | |
Not Classified [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 921,927 |
Not Classified [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 1,009,588 | |
Not Classified [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 583,305 | |
Special Mention [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 1,592 |
Special Mention [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Special Mention [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 3,985 | |
Substandard [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 6,779 |
Substandard [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 14,550 | |
Substandard [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 13,056 | |
Doubtful [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 6,310 |
Doubtful [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Doubtful [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Construction and Land [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 118,337 | 74,398 |
Construction and Land [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 80,101 | |
Construction and Land [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 38,236 | |
Construction and Land [Member] | Not Classified [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 73,761 |
Construction and Land [Member] | Not Classified [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 79,666 | |
Construction and Land [Member] | Not Classified [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 37,262 | |
Construction and Land [Member] | Special Mention [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 0 |
Construction and Land [Member] | Special Mention [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Construction and Land [Member] | Special Mention [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 79 | |
Construction and Land [Member] | Substandard [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 637 |
Construction and Land [Member] | Substandard [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 435 | |
Construction and Land [Member] | Substandard [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 895 | |
Construction and Land [Member] | Doubtful [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 0 |
Construction and Land [Member] | Doubtful [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Construction and Land [Member] | Doubtful [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Residential - First Lien [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 363,327 | 194,896 |
Residential - First Lien [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 187,073 | |
Residential - First Lien [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 176,254 | |
Residential - First Lien [Member] | Not Classified [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 193,174 |
Residential - First Lien [Member] | Not Classified [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 182,184 | |
Residential - First Lien [Member] | Not Classified [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 166,791 | |
Residential - First Lien [Member] | Special Mention [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 0 |
Residential - First Lien [Member] | Special Mention [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Residential - First Lien [Member] | Special Mention [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Residential - First Lien [Member] | Substandard [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 1,103 |
Residential - First Lien [Member] | Substandard [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 4,889 | |
Residential - First Lien [Member] | Substandard [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 9,463 | |
Residential - First Lien [Member] | Doubtful [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 619 |
Residential - First Lien [Member] | Doubtful [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Residential - First Lien [Member] | Doubtful [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Residential Junior Lien [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 92,822 | 43,047 |
Residential Junior Lien [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 45,441 | |
Residential Junior Lien [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 47,381 | |
Residential Junior Lien [Member] | Not Classified [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 42,651 |
Residential Junior Lien [Member] | Not Classified [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 45,392 | |
Residential Junior Lien [Member] | Not Classified [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 46,618 | |
Residential Junior Lien [Member] | Special Mention [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 0 |
Residential Junior Lien [Member] | Special Mention [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Residential Junior Lien [Member] | Special Mention [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Residential Junior Lien [Member] | Substandard [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 5 |
Residential Junior Lien [Member] | Substandard [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 49 | |
Residential Junior Lien [Member] | Substandard [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 763 | |
Residential Junior Lien [Member] | Doubtful [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 391 |
Residential Junior Lien [Member] | Doubtful [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Residential Junior Lien [Member] | Doubtful [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Commercial Owner Occupied [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 237,000 | 170,408 |
Commercial Owner Occupied [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 187,511 | |
Commercial Owner Occupied [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 49,489 | |
Commercial Owner Occupied [Member] | Not Classified [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 169,900 |
Commercial Owner Occupied [Member] | Not Classified [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 187,194 | |
Commercial Owner Occupied [Member] | Not Classified [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 43,797 | |
Commercial Owner Occupied [Member] | Special Mention [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 0 |
Commercial Owner Occupied [Member] | Special Mention [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Commercial Owner Occupied [Member] | Special Mention [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 3,906 | |
Commercial Owner Occupied [Member] | Substandard [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 508 |
Commercial Owner Occupied [Member] | Substandard [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 317 | |
Commercial Owner Occupied [Member] | Substandard [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 1,786 | |
Commercial Owner Occupied [Member] | Doubtful [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 0 |
Commercial Owner Occupied [Member] | Doubtful [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Commercial Owner Occupied [Member] | Doubtful [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Commercial Non Owner Occupied [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 402,805 | 260,802 |
Commercial Non Owner Occupied [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 273,172 | |
Commercial Non Owner Occupied [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 129,633 | |
Commercial Non Owner Occupied [Member] | Not Classified [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 253,255 |
Commercial Non Owner Occupied [Member] | Not Classified [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 267,013 | |
Commercial Non Owner Occupied [Member] | Not Classified [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 129,633 | |
Commercial Non Owner Occupied [Member] | Special Mention [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 1,592 |
Commercial Non Owner Occupied [Member] | Special Mention [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Commercial Non Owner Occupied [Member] | Special Mention [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Commercial Non Owner Occupied [Member] | Substandard [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 3,725 |
Commercial Non Owner Occupied [Member] | Substandard [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 6,159 | |
Commercial Non Owner Occupied [Member] | Substandard [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Commercial Non Owner Occupied [Member] | Doubtful [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 2,230 |
Commercial Non Owner Occupied [Member] | Doubtful [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Commercial Non Owner Occupied [Member] | Doubtful [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Commercial Loan and Leases [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 188,729 |
Commercial Loan and Leases [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 228,578 | |
Commercial Loan and Leases [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 124,307 | |
Commercial Loan and Leases [Member] | Not Classified [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 184,858 |
Commercial Loan and Leases [Member] | Not Classified [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 225,902 | |
Commercial Loan and Leases [Member] | Not Classified [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 124,307 | |
Commercial Loan and Leases [Member] | Special Mention [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 0 |
Commercial Loan and Leases [Member] | Special Mention [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Commercial Loan and Leases [Member] | Special Mention [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Commercial Loan and Leases [Member] | Substandard [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 801 |
Commercial Loan and Leases [Member] | Substandard [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 2,676 | |
Commercial Loan and Leases [Member] | Substandard [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Commercial Loan and Leases [Member] | Doubtful [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 3,070 |
Commercial Loan and Leases [Member] | Doubtful [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Commercial Loan and Leases [Member] | Doubtful [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Consumer Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 57,308 | 4,328 |
Consumer Loans [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 22,262 | |
Consumer Loans [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 35,046 | |
Consumer Loans [Member] | Not Classified [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 4,328 |
Consumer Loans [Member] | Not Classified [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 22,237 | |
Consumer Loans [Member] | Not Classified [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 34,897 | |
Consumer Loans [Member] | Special Mention [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 0 |
Consumer Loans [Member] | Special Mention [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Consumer Loans [Member] | Special Mention [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Consumer Loans [Member] | Substandard [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | 0 |
Consumer Loans [Member] | Substandard [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 25 | |
Consumer Loans [Member] | Substandard [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 149 | |
Consumer Loans [Member] | Doubtful [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | | $ 0 |
Consumer Loans [Member] | Doubtful [Member] | Legacy Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | 0 | |
Consumer Loans [Member] | Doubtful [Member] | Acquired Loans [Member] | | |
Credit Quality Indicator [Line Items] | | |
Credit quality indicators | $ 0 | |