Note 22 - Other Operating Expense - Components of Other Operating Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Telephone and data lines                 $ 1,620 $ 1,704 $ 1,332
FDIC insurance                 1,616 1,447 1,046
Temporary help and recruiting                 1,522 1,362 1,171
Loan processing                 164 1,285 723
Debt prepayment penalty                 1,131 526
Travel and entertainment                 894 868 725
Insurance                 788 770 759
MSR amortization and impairment                 881 660 532
Stationary and supplies                 518 623 445
Director fees                 566 568 443
Postage                 551 540 471
Outsourced services                 569 508 432
Contributions                 957 468 403
Dues and subscriptions                 456 441 368
Portfolio maintenance                 391 385 389
Other taxes                 45 80 51
Deferred compensation expense                 664 15 266
Miscellaneous other expense                 1,505 1,643 1,490
Other operating expense $ 24,958 $ 25,477 $ 26,259 $ 25,051 $ 46,951 $ 25,403 $ 25,982 $ 27,429 $ 13,707 $ 14,498 $ 11,572