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Note 5 - Deposits (Tables) | 9 Months Ended
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Sep. 30, 2018
Notes Tables |
Summary of Deposits and Percentage Change in Deposits [Table Text Block] |
|  | September 30, 2018 |  |  | December 31, 2017 |  |  | Percent Increase |
|  | Balance |  |  | % |  |  | Balance |  |  | % |  |  | (Decrease) |
Noninterest-bearing checking |  | $ | 879,442,000 |  |  | 35.1% |  |  | $ | 866,380,000 |  |  | 34.3% |  |  | 1.5% |
Interest-bearing checking |  |  | 350,056,000 |  |  | 14.0 |  |  |  | 387,758,000 |  |  | 15.4 |  |  | (9.7) |
Money market |  |  | 504,741,000 |  |  | 20.1 |  |  |  | 427,119,000 |  |  | 16.9 |  |  | 18.2 |
Savings |  |  | 311,566,000 |  |  | 12.4 |  |  |  | 327,530,000 |  |  | 13.0 |  |  | (4.9) |
Time, under $100,000 |  |  | 162,074,000 |  |  | 6.5 |  |  |  | 152,294,000 |  |  | 6.0 |  |  | 6.4 |
Time, $100,000 and over |  |  | 219,713,000 |  |  | 8.7 |  |  |  | 258,626,000 |  |  | 10.3 |  |  | (15.0) |
Total local deposits |  |  | 2,427,592,000 |  |  | 96.8 |  |  |  | 2,419,707,000 |  |  | 95.9 |  |  | 0.3 |
Out-of-area time, under $100,000 |  |  | 0 |  |  | NA |  |  |  | 0 |  |  | NA |  |  | NA |
Out-of-area time, $100,000 and over |  |  | 81,218,000 |  |  | 3.2 |  |  |  | 102,658,000 |  |  | 4.1 |  |  | (20.9) |
Total out-of-area deposits |  |  | 81,218,000 |  |  | 3.2 |  |  |  | 102,658,000 |  |  | 4.1 |  |  | (20.9) |
Total deposits |  | $ | 2,508,810,000 |  |  | 100.0% |  |  | $ | 2,522,365,000 |  |  | 100.0% |  |  | (0.5%) |

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