Loans (Details 9) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016 |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | $ 2,245,407 | $ 1,946,370 |
Receivables Acquired with Deteriorated Credit Quality [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 4,132 | |
Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 1,810,060 | 1,585,391 |
Pass [Member] | Receivables Acquired with Deteriorated Credit Quality [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 9 | |
Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 46,970 | 40,005 |
Special Mention [Member] | Receivables Acquired with Deteriorated Credit Quality [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 1,173 | |
Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 35,004 | 27,348 |
Substandard [Member] | Receivables Acquired with Deteriorated Credit Quality [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 2,946 | |
Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Doubtful [Member] | Receivables Acquired with Deteriorated Credit Quality [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | |
Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 353,373 | 293,626 |
Not Graded [Member] | Receivables Acquired with Deteriorated Credit Quality [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 4 | |
Residential Owner Occupied [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 176,926 | 140,456 |
Residential Owner Occupied [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 7,502 | 5,980 |
Residential Owner Occupied [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 483 | 402 |
Residential Owner Occupied [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 1,943 | 1,824 |
Residential Owner Occupied [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Residential Owner Occupied [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 166,998 | 132,250 |
Residential Non Owner Occupied [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | | 67,349 |
Residential Non Owner Occupied [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | | 58,041 |
Residential Non Owner Occupied [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | | 1,394 |
Residential Non Owner Occupied [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | | 3,480 |
Residential Non Owner Occupied [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | | 0 |
Residential Non Owner Occupied [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | | 4,434 |
One To Four Family Residential Real Estate [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 277,166 | 207,805 |
One To Four Family Residential Real Estate [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 96,934 | 64,021 |
One To Four Family Residential Real Estate [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 2,770 | 1,796 |
One To Four Family Residential Real Estate [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 5,518 | 5,304 |
One To Four Family Residential Real Estate [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
One To Four Family Residential Real Estate [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 171,944 | 136,684 |
Multi Family Residential Real Estate [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 211,777 | 197,197 |
Multi Family Residential Real Estate [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 207,071 | 192,369 |
Multi Family Residential Real Estate [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 837 | 862 |
Multi Family Residential Real Estate [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 3,756 | 3,852 |
Multi Family Residential Real Estate [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Multi Family Residential Real Estate [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 113 | 114 |
Commercial Real Estate Owner Occupied [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 386,285 | 341,708 |
Commercial Real Estate Owner Occupied [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 360,693 | 316,335 |
Commercial Real Estate Owner Occupied [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 20,388 | 20,559 |
Commercial Real Estate Owner Occupied [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 4,890 | 4,430 |
Commercial Real Estate Owner Occupied [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Commercial Real Estate Owner Occupied [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 314 | 384 |
Commercial Real Estate Non Owner Occupied [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 396,180 | 339,248 |
Commercial Real Estate Non Owner Occupied [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 386,323 | 332,196 |
Commercial Real Estate Non Owner Occupied [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 3,390 | 1,617 |
Commercial Real Estate Non Owner Occupied [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 6,467 | 5,435 |
Commercial Real Estate Non Owner Occupied [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Commercial Real Estate Non Owner Occupied [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Agriculture Land [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 136,609 | 102,396 |
Agriculture Land [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 128,428 | 98,039 |
Agriculture Land [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 2,731 | 2,355 |
Agriculture Land [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 5,450 | 2,002 |
Agriculture Land [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Agriculture Land [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Commercial Real Estate Other Receivable [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 65,924 | 62,664 |
Commercial Real Estate Other Receivable [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 62,997 | 59,561 |
Commercial Real Estate Other Receivable [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 59 | 60 |
Commercial Real Estate Other Receivable [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 2,063 | 2,297 |
Commercial Real Estate Other Receivable [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Commercial Real Estate Other Receivable [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 805 | 746 |
Commercial Real Estate [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 984,998 | 846,016 |
Commercial Real Estate [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 938,441 | 806,131 |
Commercial Real Estate [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 26,568 | 24,591 |
Commercial Real Estate [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 18,870 | 14,164 |
Commercial Real Estate [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Commercial Real Estate [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 1,119 | 1,130 |
Construction Loans [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 104,036 | 89,244 |
Construction Loans [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 82,950 | 67,751 |
Construction Loans [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 1,198 | 706 |
Construction Loans [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Construction Loans [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Construction Loans [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 19,888 | 20,787 |
Commercial Working Capital [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 225,380 | 202,834 |
Commercial Working Capital [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 215,129 | 193,043 |
Commercial Working Capital [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 7,139 | 8,301 |
Commercial Working Capital [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 3,112 | 1,490 |
Commercial Working Capital [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Commercial Working Capital [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Commercial Loans Other [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 280,712 | 267,577 |
Commercial Loans Other [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 269,535 | 262,076 |
Commercial Loans Other [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 8,458 | 3,749 |
Commercial Loans Other [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 2,719 | 1,752 |
Commercial Loans Other [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Commercial Loans Other [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Commercial Loan [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 506,092 | 470,411 |
Commercial Loan [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 484,664 | 455,119 |
Commercial Loan [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 15,597 | 12,050 |
Commercial Loan [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 5,831 | 3,242 |
Commercial Loan [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Commercial Loan [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Home Equity and Home Improvement [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 133,606 | 119,013 |
Home Equity and Home Improvement [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Home Equity and Home Improvement [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Home Equity and Home Improvement [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 852 | 696 |
Home Equity and Home Improvement [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Home Equity and Home Improvement [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 132,754 | 118,317 |
Consumer Finance [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 27,732 | 16,684 |
Consumer Finance [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Consumer Finance [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Consumer Finance [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 177 | 90 |
Consumer Finance [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | 0 |
Consumer Finance [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 27,555 | $ 16,594 |
One Four Family Non Owner Occupiad [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 100,240 | |
One Four Family Non Owner Occupiad [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 89,432 | |
One Four Family Non Owner Occupiad [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 2,287 | |
One Four Family Non Owner Occupiad [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 3,575 | |
One Four Family Non Owner Occupiad [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | |
One Four Family Non Owner Occupiad [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 4,946 | |
Receivables Acquired Current [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 281,793 | |
Receivables Acquired Current [Member] | Pass [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 223,594 | |
Receivables Acquired Current [Member] | Special Mention [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 1,711 | |
Receivables Acquired Current [Member] | Substandard [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 5,393 | |
Receivables Acquired Current [Member] | Doubtful [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | 0 | |
Receivables Acquired Current [Member] | Not Graded [Member] | | |
Accounts, Notes, Loans and Financing Receivable [Line Items] | | |
Financing Receivable, Net | $ 51,095 | |