Loans and Allowance for Loan Losses - Impaired loans by portfolio (Details 4) (USD $) | 3 Months Ended | 6 Months Ended | |
In Thousands, unless otherwise specified | Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013 | Dec. 31, 2013 |
With an allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With an allowance recorded | $3,700 | ' | $3,700 | ' | $5,600 |
Related Allowance, With an allowance recorded | 327 | ' | 327 | ' | 1,800 |
Loans Receivable | ' | ' | ' | ' | ' |
With an allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With an allowance recorded | 3,734 | ' | 3,734 | ' | 5,638 |
Unpaid Principal Balance, With an allowance recorded | 4,003 | ' | 4,003 | ' | 6,175 |
Related Allowance, With an allowance recorded | 327 | ' | 327 | ' | 1,777 |
Average Recorded Investment, With an allowance recorded | 3,798 | 2,587 | 3,663 | 2,543 | ' |
Interest Income Recognized While Impaired, With an allowance recorded | 20 | 19 | 87 | 32 | ' |
With no related allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With no related allowance recorded | 16,948 | ' | 16,948 | ' | 19,632 |
Unpaid Principal Balance, With no related allowance recorded | 21,104 | ' | 21,104 | ' | 24,280 |
Average Recorded Investment, With no related allowance recorded | 17,833 | 27,513 | 17,883 | 27,678 | ' |
Interest Income Recognized While Impaired, With no related allowance recorded | 60 | 217 | 216 | 322 | ' |
Total | ' | ' | ' | ' | ' |
Recorded investment, Total | 20,682 | ' | 20,682 | ' | 25,270 |
Unpaid Principal Balance, Total | 25,107 | ' | 25,107 | ' | 30,455 |
Related Allowance, Total | 327 | ' | 327 | ' | 1,777 |
Average Recorded Investment, Total | 21,631 | 30,100 | 21,546 | 30,221 | ' |
Interest Income Recognized While Impaired, Total | 80 | 236 | 303 | 354 | ' |
Loans Receivable | Real estate loans: One- to four-family | ' | ' | ' | ' | ' |
With an allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With an allowance recorded | 3,400 | ' | 3,400 | ' | 2,728 |
Unpaid Principal Balance, With an allowance recorded | 3,661 | ' | 3,661 | ' | 2,870 |
Related Allowance, With an allowance recorded | 278 | ' | 278 | ' | 210 |
Average Recorded Investment, With an allowance recorded | 3,465 | 2,254 | 3,340 | 2,263 | ' |
Interest Income Recognized While Impaired, With an allowance recorded | 18 | 17 | 37 | 30 | ' |
With no related allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With no related allowance recorded | 5,650 | ' | 5,650 | ' | 6,205 |
Unpaid Principal Balance, With no related allowance recorded | 6,846 | ' | 6,846 | ' | 7,297 |
Average Recorded Investment, With no related allowance recorded | 5,942 | 6,454 | 5,960 | 6,468 | ' |
Interest Income Recognized While Impaired, With no related allowance recorded | 23 | 37 | 84 | 94 | ' |
Total | ' | ' | ' | ' | ' |
Recorded investment, Total | 9,050 | ' | 9,050 | ' | 8,933 |
Unpaid Principal Balance, Total | 10,507 | ' | 10,507 | ' | 10,167 |
Related Allowance, Total | 278 | ' | 278 | ' | 210 |
Average Recorded Investment, Total | 9,407 | 8,708 | 9,300 | 8,731 | ' |
Interest Income Recognized While Impaired, Total | 41 | 54 | 121 | 124 | ' |
Loans Receivable | Real estate loans: Multi-family | ' | ' | ' | ' | ' |
With an allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With an allowance recorded | ' | ' | ' | ' | ' |
Unpaid Principal Balance, With an allowance recorded | ' | ' | ' | ' | ' |
Related Allowance, With an allowance recorded | ' | ' | ' | ' | ' |
Average Recorded Investment, With an allowance recorded | ' | ' | ' | ' | ' |
Interest Income Recognized While Impaired, With an allowance recorded | ' | ' | ' | ' | ' |
With no related allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With no related allowance recorded | ' | ' | ' | ' | ' |
Unpaid Principal Balance, With no related allowance recorded | ' | ' | ' | ' | ' |
Average Recorded Investment, With no related allowance recorded | ' | ' | ' | ' | ' |
Interest Income Recognized While Impaired, With no related allowance recorded | ' | ' | ' | ' | ' |
Total | ' | ' | ' | ' | ' |
Recorded investment, Total | ' | ' | ' | ' | ' |
Unpaid Principal Balance, Total | ' | ' | ' | ' | ' |
Related Allowance, Total | ' | ' | ' | ' | ' |
Average Recorded Investment, Total | ' | ' | ' | ' | ' |
Interest Income Recognized While Impaired, Total | ' | ' | ' | ' | ' |
Loans Receivable | Real estate loans: Commercial | ' | ' | ' | ' | ' |
With an allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With an allowance recorded | 169 | ' | 169 | ' | 66 |
Unpaid Principal Balance, With an allowance recorded | 169 | ' | 169 | ' | 66 |
Related Allowance, With an allowance recorded | 8 | ' | 8 | ' | 9 |
Average Recorded Investment, With an allowance recorded | 170 | 178 | 171 | 179 | ' |
Interest Income Recognized While Impaired, With an allowance recorded | 2 | 2 | 3 | 2 | ' |
With no related allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With no related allowance recorded | 6,125 | ' | 6,125 | ' | 9,386 |
Unpaid Principal Balance, With no related allowance recorded | 7,240 | ' | 7,240 | ' | 12,709 |
Average Recorded Investment, With no related allowance recorded | 6,281 | 11,982 | 6,290 | 12,027 | ' |
Interest Income Recognized While Impaired, With no related allowance recorded | 25 | 139 | 82 | 164 | ' |
Total | ' | ' | ' | ' | ' |
Recorded investment, Total | 6,294 | ' | 6,294 | ' | 9,452 |
Unpaid Principal Balance, Total | 7,409 | ' | 7,409 | ' | 12,775 |
Related Allowance, Total | 8 | ' | 8 | ' | 9 |
Average Recorded Investment, Total | 6,451 | 12,160 | 6,461 | 12,206 | ' |
Interest Income Recognized While Impaired, Total | 27 | 141 | 85 | 166 | ' |
Loans Receivable | Real estate loans: Construction and land | ' | ' | ' | ' | ' |
With an allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With an allowance recorded | ' | ' | ' | ' | ' |
Unpaid Principal Balance, With an allowance recorded | ' | ' | ' | ' | ' |
Related Allowance, With an allowance recorded | ' | ' | ' | ' | ' |
Average Recorded Investment, With an allowance recorded | ' | ' | ' | ' | ' |
Interest Income Recognized While Impaired, With an allowance recorded | ' | ' | ' | ' | ' |
With no related allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With no related allowance recorded | 3,139 | ' | 3,139 | ' | 3,323 |
Unpaid Principal Balance, With no related allowance recorded | 3,216 | ' | 3,216 | ' | 3,325 |
Average Recorded Investment, With no related allowance recorded | 3,152 | 3,763 | 3,172 | 3,806 | ' |
Interest Income Recognized While Impaired, With no related allowance recorded | 12 | 13 | 24 | 25 | ' |
Total | ' | ' | ' | ' | ' |
Recorded investment, Total | 3,139 | ' | 3,139 | ' | 3,323 |
Unpaid Principal Balance, Total | 3,216 | ' | 3,216 | ' | 3,325 |
Related Allowance, Total | ' | ' | ' | ' | ' |
Average Recorded Investment, Total | 3,152 | 3,763 | 3,172 | 3,806 | ' |
Interest Income Recognized While Impaired, Total | 12 | 13 | 24 | 25 | ' |
Loans Receivable | Home equity loans and credit lines | ' | ' | ' | ' | ' |
With an allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With an allowance recorded | 165 | ' | 165 | ' | 60 |
Unpaid Principal Balance, With an allowance recorded | 173 | ' | 173 | ' | 61 |
Related Allowance, With an allowance recorded | 41 | ' | 41 | ' | 8 |
Average Recorded Investment, With an allowance recorded | 163 | 46 | 152 | 46 | ' |
Interest Income Recognized While Impaired, With an allowance recorded | ' | ' | 1 | ' | ' |
With no related allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With no related allowance recorded | 901 | ' | 901 | ' | 718 |
Unpaid Principal Balance, With no related allowance recorded | 1,123 | ' | 1,123 | ' | 946 |
Average Recorded Investment, With no related allowance recorded | 972 | 661 | 963 | 665 | ' |
Interest Income Recognized While Impaired, With no related allowance recorded | ' | 1 | 7 | 11 | ' |
Total | ' | ' | ' | ' | ' |
Recorded investment, Total | 1,066 | ' | 1,066 | ' | 778 |
Unpaid Principal Balance, Total | 1,296 | ' | 1,296 | ' | 1,007 |
Related Allowance, Total | 41 | ' | 41 | ' | 8 |
Average Recorded Investment, Total | 1,135 | 707 | 1,115 | 711 | ' |
Interest Income Recognized While Impaired, Total | ' | 1 | 8 | 11 | ' |
Loans Receivable | Commercial | ' | ' | ' | ' | ' |
With an allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With an allowance recorded | ' | ' | ' | ' | 2,784 |
Unpaid Principal Balance, With an allowance recorded | ' | ' | ' | ' | 3,178 |
Related Allowance, With an allowance recorded | ' | ' | ' | ' | 1,550 |
Average Recorded Investment, With an allowance recorded | ' | 109 | ' | 55 | ' |
Interest Income Recognized While Impaired, With an allowance recorded | ' | ' | 46 | ' | ' |
With no related allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With no related allowance recorded | 1,133 | ' | 1,133 | ' | ' |
Unpaid Principal Balance, With no related allowance recorded | 2,679 | ' | 2,679 | ' | ' |
Average Recorded Investment, With no related allowance recorded | 1,486 | 4,651 | 1,498 | 4,710 | ' |
Interest Income Recognized While Impaired, With no related allowance recorded | ' | 27 | 19 | 28 | ' |
Total | ' | ' | ' | ' | ' |
Recorded investment, Total | 1,133 | ' | 1,133 | ' | 2,784 |
Unpaid Principal Balance, Total | 2,679 | ' | 2,679 | ' | 3,178 |
Related Allowance, Total | ' | ' | ' | ' | 1,550 |
Average Recorded Investment, Total | 1,486 | 4,760 | 1,498 | 4,765 | ' |
Interest Income Recognized While Impaired, Total | ' | 27 | 65 | 28 | ' |
Loans Receivable | Consumer | ' | ' | ' | ' | ' |
With an allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With an allowance recorded | ' | ' | ' | ' | ' |
Unpaid Principal Balance, With an allowance recorded | ' | ' | ' | ' | ' |
Related Allowance, With an allowance recorded | ' | ' | ' | ' | ' |
Average Recorded Investment, With an allowance recorded | ' | ' | ' | ' | ' |
Interest Income Recognized While Impaired, With an allowance recorded | ' | ' | ' | ' | ' |
With no related allowance recorded: | ' | ' | ' | ' | ' |
Recorded investment, With no related allowance recorded | ' | ' | ' | ' | ' |
Unpaid Principal Balance, With no related allowance recorded | ' | ' | ' | ' | 3 |
Average Recorded Investment, With no related allowance recorded | ' | 2 | ' | 2 | ' |
Interest Income Recognized While Impaired, With no related allowance recorded | ' | ' | ' | ' | ' |
Total | ' | ' | ' | ' | ' |
Recorded investment, Total | ' | ' | ' | ' | ' |
Unpaid Principal Balance, Total | ' | ' | ' | ' | 3 |
Related Allowance, Total | ' | ' | ' | ' | ' |
Average Recorded Investment, Total | ' | 2 | ' | 2 | ' |
Interest Income Recognized While Impaired, Total | ' | ' | ' | ' | ' |