Loans Receivable and the Allowance for Loan Losses Amounts and Categories of Impaired Loans (Details) (USD $) | 3 Months Ended | 9 Months Ended | |
In Thousands, unless otherwise specified | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013 |
Financing Receivable, Impaired | ' | ' | ' | ' | ' |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | $3,758 | ' | $3,758 | ' | $4,888 |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 5,237 | ' | 5,237 | ' | 6,132 |
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 8,741 | ' | 8,741 | ' | 8,572 |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 8,896 | ' | 8,896 | ' | 8,992 |
Impaired Financing Receivable, Related Allowance | 1,079 | ' | 1,079 | ' | 1,423 |
Impaired Financing Receivable, Recorded Investment | 12,499 | ' | 12,499 | ' | 13,460 |
Impaired Financing Receivable, Unpaid Principal Balance | 14,133 | ' | 14,133 | ' | 15,124 |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 3,774 | 4,274 | 3,851 | 4,479 | ' |
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method | 25 | 13 | 84 | 107 | ' |
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 8,035 | 7,806 | 7,738 | 7,847 | ' |
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 58 | 74 | 185 | 224 | ' |
Impaired Financing Receivable, Average Recorded Investment | 11,809 | 12,080 | 11,589 | 12,326 | ' |
Impaired Financing Receivable, Interest Income, Accrual Method | 83 | 87 | 269 | 331 | ' |
Agricultural Loan Financing Receivable | ' | ' | ' | ' | ' |
Financing Receivable, Impaired | ' | ' | ' | ' | ' |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 1,410 | ' | 1,410 | ' | 1,475 |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 1,910 | ' | 1,910 | ' | 1,975 |
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 1,617 | ' | 1,617 | ' | 1,671 |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 1,617 | ' | 1,617 | ' | 1,671 |
Impaired Financing Receivable, Related Allowance | 96 | ' | 96 | ' | 125 |
Impaired Financing Receivable, Recorded Investment | 3,027 | ' | 3,027 | ' | 3,146 |
Impaired Financing Receivable, Unpaid Principal Balance | 3,527 | ' | 3,527 | ' | 3,646 |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 1,410 | 1,482 | 1,413 | 1,555 | ' |
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method | 15 | 13 | 43 | 45 | ' |
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 1,617 | 1,682 | 1,630 | 1,695 | ' |
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 12 | 13 | 37 | 37 | ' |
Impaired Financing Receivable, Average Recorded Investment | 3,027 | 3,164 | 3,043 | 3,250 | ' |
Impaired Financing Receivable, Interest Income, Accrual Method | 27 | 26 | 80 | 82 | ' |
Commercial and Industrial Loan Financing Receivable | ' | ' | ' | ' | ' |
Financing Receivable, Impaired | ' | ' | ' | ' | ' |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 973 | ' | 973 | ' | 1,919 |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 1,175 | ' | 1,175 | ' | 2,020 |
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 2,614 | ' | 2,614 | ' | 1,602 |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 2,669 | ' | 2,669 | ' | 1,657 |
Impaired Financing Receivable, Related Allowance | 447 | ' | 447 | ' | 559 |
Impaired Financing Receivable, Recorded Investment | 3,587 | ' | 3,587 | ' | 3,521 |
Impaired Financing Receivable, Unpaid Principal Balance | 3,844 | ' | 3,844 | ' | 3,677 |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 985 | 966 | 1,018 | 1,079 | ' |
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method | 11 | 3 | 36 | 27 | ' |
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 1,899 | 1,132 | 1,566 | 1,152 | ' |
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 16 | 10 | 36 | 35 | ' |
Impaired Financing Receivable, Average Recorded Investment | 2,884 | 2,098 | 2,584 | 2,231 | ' |
Impaired Financing Receivable, Interest Income, Accrual Method | 27 | 13 | 72 | 62 | ' |
Commercial Credit Card Financing Receivable | ' | ' | ' | ' | ' |
Financing Receivable, Impaired | ' | ' | ' | ' | ' |
Impaired Financing Receivable, Related Allowance | ' | ' | ' | ' | ' |
Impaired Financing Receivable, Recorded Investment | ' | ' | ' | ' | ' |
Impaired Financing Receivable, Unpaid Principal Balance | ' | ' | ' | ' | ' |
Impaired Financing Receivable, Average Recorded Investment | ' | ' | ' | ' | ' |
Impaired Financing Receivable, Interest Income, Accrual Method | ' | ' | ' | ' | ' |
Overdraft Deposit Account Financing Receivable | ' | ' | ' | ' | ' |
Financing Receivable, Impaired | ' | ' | ' | ' | ' |
Impaired Financing Receivable, Related Allowance | ' | ' | ' | ' | ' |
Impaired Financing Receivable, Recorded Investment | ' | ' | ' | ' | ' |
Impaired Financing Receivable, Unpaid Principal Balance | ' | ' | ' | ' | ' |
Impaired Financing Receivable, Average Recorded Investment | ' | ' | ' | ' | ' |
Impaired Financing Receivable, Interest Income, Accrual Method | ' | ' | ' | ' | ' |
Commercial Real Estate Construction and Development Loan Financing Receivable | ' | ' | ' | ' | ' |
Financing Receivable, Impaired | ' | ' | ' | ' | ' |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 49 | ' | 49 | ' | 132 |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 176 | ' | 176 | ' | 601 |
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 34 | ' | 34 | ' | 7 |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 34 | ' | 34 | ' | 7 |
Impaired Financing Receivable, Related Allowance | 34 | ' | 34 | ' | 3 |
Impaired Financing Receivable, Recorded Investment | 83 | ' | 83 | ' | 139 |
Impaired Financing Receivable, Unpaid Principal Balance | 210 | ' | 210 | ' | 608 |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 49 | 49 | 49 | 49 | ' |
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 34 | 447 | 35 | 447 | ' |
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | ' | 6 | 1 | 20 | ' |
Impaired Financing Receivable, Average Recorded Investment | 83 | 496 | 84 | 496 | ' |
Impaired Financing Receivable, Interest Income, Accrual Method | ' | 6 | 1 | 20 | ' |
Farmland Loan Financing Receivable | ' | ' | ' | ' | ' |
Financing Receivable, Impaired | ' | ' | ' | ' | ' |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 81 | ' | 81 | ' | 93 |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 94 | ' | 94 | ' | 107 |
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 2,418 | ' | 2,418 | ' | 2,311 |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 2,418 | ' | 2,418 | ' | 2,461 |
Impaired Financing Receivable, Related Allowance | 133 | ' | 133 | ' | 219 |
Impaired Financing Receivable, Recorded Investment | 2,499 | ' | 2,499 | ' | 2,404 |
Impaired Financing Receivable, Unpaid Principal Balance | 2,512 | ' | 2,512 | ' | 2,568 |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 83 | 99 | 87 | 103 | ' |
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method | 1 | 2 | 4 | 6 | ' |
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 2,418 | 2,466 | 2,429 | 2,466 | ' |
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 27 | 28 | 81 | 82 | ' |
Impaired Financing Receivable, Average Recorded Investment | 2,501 | 2,565 | 2,516 | 2,569 | ' |
Impaired Financing Receivable, Interest Income, Accrual Method | 28 | 30 | 85 | 88 | ' |
Multifamily Real Estate Loan Financing Receivable | ' | ' | ' | ' | ' |
Financing Receivable, Impaired | ' | ' | ' | ' | ' |
Impaired Financing Receivable, Related Allowance | ' | ' | ' | ' | ' |
Impaired Financing Receivable, Recorded Investment | ' | ' | ' | ' | ' |
Impaired Financing Receivable, Unpaid Principal Balance | ' | ' | ' | ' | ' |
Impaired Financing Receivable, Average Recorded Investment | ' | ' | ' | ' | ' |
Impaired Financing Receivable, Interest Income, Accrual Method | ' | ' | ' | ' | ' |
Commercial Real Estate Loan Other Financing Receivable | ' | ' | ' | ' | ' |
Financing Receivable, Impaired | ' | ' | ' | ' | ' |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 417 | ' | 417 | ' | 587 |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 443 | ' | 443 | ' | 612 |
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 1,082 | ' | 1,082 | ' | 1,949 |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 1,182 | ' | 1,182 | ' | 2,164 |
Impaired Financing Receivable, Related Allowance | 188 | ' | 188 | ' | 291 |
Impaired Financing Receivable, Recorded Investment | 1,499 | ' | 1,499 | ' | 2,536 |
Impaired Financing Receivable, Unpaid Principal Balance | 1,625 | ' | 1,625 | ' | 2,776 |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 417 | 1,104 | 442 | 1,094 | ' |
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method | ' | -5 | -8 | 19 | ' |
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 1,088 | 972 | 1,093 | 974 | ' |
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 7 | 7 | 15 | 21 | ' |
Impaired Financing Receivable, Average Recorded Investment | 1,505 | 2,076 | 1,535 | 2,068 | ' |
Impaired Financing Receivable, Interest Income, Accrual Method | 7 | 2 | 7 | 40 | ' |
Commercial Real Estate Total | ' | ' | ' | ' | ' |
Financing Receivable, Impaired | ' | ' | ' | ' | ' |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 547 | ' | 547 | ' | 812 |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 713 | ' | 713 | ' | 1,320 |
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 3,534 | ' | 3,534 | ' | 4,267 |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 3,634 | ' | 3,634 | ' | 4,632 |
Impaired Financing Receivable, Related Allowance | 355 | ' | 355 | ' | 513 |
Impaired Financing Receivable, Recorded Investment | 4,081 | ' | 4,081 | ' | 5,079 |
Impaired Financing Receivable, Unpaid Principal Balance | 4,347 | ' | 4,347 | ' | 5,952 |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 549 | 1,252 | 578 | 1,246 | ' |
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method | 1 | -3 | -4 | 25 | ' |
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 3,540 | 3,885 | 3,557 | 3,887 | ' |
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 34 | 41 | 97 | 123 | ' |
Impaired Financing Receivable, Average Recorded Investment | 4,089 | 5,137 | 4,135 | 5,133 | ' |
Impaired Financing Receivable, Interest Income, Accrual Method | 35 | 38 | 93 | 148 | ' |
Residential Real Estate First Lien Loan Financing Receivable | ' | ' | ' | ' | ' |
Financing Receivable, Impaired | ' | ' | ' | ' | ' |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 702 | ' | 702 | ' | 622 |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 443 | ' | 443 | ' | 741 |
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 796 | ' | 796 | ' | 902 |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 796 | ' | 796 | ' | 902 |
Impaired Financing Receivable, Related Allowance | 131 | ' | 131 | ' | 170 |
Impaired Financing Receivable, Recorded Investment | 1,498 | ' | 1,498 | ' | 1,524 |
Impaired Financing Receivable, Unpaid Principal Balance | 1,239 | ' | 1,239 | ' | 1,643 |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 704 | 451 | 715 | 475 | ' |
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method | -1 | 1 | 8 | 7 | ' |
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 797 | 957 | 801 | 960 | ' |
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 7 | 9 | 23 | 27 | ' |
Impaired Financing Receivable, Average Recorded Investment | 1,501 | 1,408 | 1,516 | 1,435 | ' |
Impaired Financing Receivable, Interest Income, Accrual Method | 6 | 10 | 31 | 34 | ' |
Residential Real Estate Junior Lien Loan Financing Receivable | ' | ' | ' | ' | ' |
Financing Receivable, Impaired | ' | ' | ' | ' | ' |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 119 | ' | 119 | ' | 50 |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 877 | ' | 877 | ' | 50 |
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 151 | ' | 151 | ' | 90 |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 151 | ' | 151 | ' | 90 |
Impaired Financing Receivable, Related Allowance | 47 | ' | 47 | ' | 50 |
Impaired Financing Receivable, Recorded Investment | 270 | ' | 270 | ' | 140 |
Impaired Financing Receivable, Unpaid Principal Balance | 1,028 | ' | 1,028 | ' | 140 |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 119 | 122 | 119 | 123 | ' |
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method | -1 | -1 | 1 | 3 | ' |
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 152 | 78 | 153 | 79 | ' |
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | ' | ' | 2 | ' | ' |
Impaired Financing Receivable, Average Recorded Investment | 271 | 200 | 272 | 202 | ' |
Impaired Financing Receivable, Interest Income, Accrual Method | -1 | -1 | 3 | 3 | ' |
Residential Real Estate Total | ' | ' | ' | ' | ' |
Financing Receivable, Impaired | ' | ' | ' | ' | ' |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 821 | ' | 821 | ' | 672 |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 1,320 | ' | 1,320 | ' | 791 |
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 947 | ' | 947 | ' | 992 |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 947 | ' | 947 | ' | 992 |
Impaired Financing Receivable, Related Allowance | 178 | ' | 178 | ' | 220 |
Impaired Financing Receivable, Recorded Investment | 1,768 | ' | 1,768 | ' | 1,664 |
Impaired Financing Receivable, Unpaid Principal Balance | 2,267 | ' | 2,267 | ' | 1,783 |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 823 | 573 | 834 | 598 | ' |
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method | -2 | ' | 9 | 10 | ' |
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 949 | 1,035 | 954 | 1,039 | ' |
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | 7 | 9 | 25 | 27 | ' |
Impaired Financing Receivable, Average Recorded Investment | 1,772 | 1,608 | 1,788 | 1,637 | ' |
Impaired Financing Receivable, Interest Income, Accrual Method | 5 | 9 | 34 | 37 | ' |
Consumer Other Financing Receivable | ' | ' | ' | ' | ' |
Financing Receivable, Impaired | ' | ' | ' | ' | ' |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 7 | ' | 7 | ' | 10 |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 119 | ' | 119 | ' | 26 |
Impaired Financing Receivable, with Related Allowance, Recorded Investment | 29 | ' | 29 | ' | 40 |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 29 | ' | 29 | ' | 40 |
Impaired Financing Receivable, Related Allowance | 3 | ' | 3 | ' | 6 |
Impaired Financing Receivable, Recorded Investment | 36 | ' | 36 | ' | 50 |
Impaired Financing Receivable, Unpaid Principal Balance | 148 | ' | 148 | ' | 66 |
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment | 7 | 1 | 8 | 1 | ' |
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment | 30 | 72 | 31 | 74 | ' |
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method | -11 | 1 | -10 | 2 | ' |
Impaired Financing Receivable, Average Recorded Investment | 37 | 73 | 39 | 75 | ' |
Impaired Financing Receivable, Interest Income, Accrual Method | ($11) | $1 | ($10) | $2 | ' |