Note 5 - Loans and Allowance for Loan Losses - Changes in the Accretable Yield for PCI Loans (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Accretable yield, beginning of year | $ 32,509 | $ 40,540 | $ 39,249 |
| Addition from acquisitions | 1,663 | 0 | 5,589 |
| Interest income | (11,247) | (12,603) | (15,766) |
| Reclassification of nonaccretable difference due to improvement in expected cash flows | 5,135 | 4,258 | 9,886 |
| Other changes, net | 1,548 | 314 | 1,582 |
| Accretable yield, end of year | $ 29,608 | $ 32,509 | $ 40,540 |