Loans - Presentation of Loans Individually Evaluated for Impairment by Class (Detail) (USD $) | 3 Months Ended | |
In Thousands, unless otherwise specified | Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014 |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | $24,010 | $27,369 | $27,869 |
With no specific allowance recorded, Recorded Investment | 13,677 | 15,306 | 16,138 |
With no specific allowance recorded, Average Recorded Investment | 16,155 | 29,945 | |
With no specific allowance recorded, Interest Income Recognized | 20 | 28 | |
With no specific allowance recorded, Cash Basis Income Recognized | 111 | 149 | |
With a specific allowance recorded, Unpaid Principal Balance | 34,261 | 35,272 | 32,120 |
With a specific allowance recorded, Recorded Investment | 32,126 | 32,778 | 29,759 |
With a specific allowance recorded, Allowance for Loan Losses Allocated | 3,193 | 4,340 | 3,310 |
With a specific allowance recorded, Average Recorded Investment | 30,363 | 17,434 | |
With a specific allowance recorded, Interest Income Recognized | 295 | 341 | |
With a specific allowance recorded, Cash Basis Income Recognized | 320 | 362 | |
Total Unpaid Principal Balance | 58,271 | 62,641 | 59,989 |
Total Recorded Investment | 45,803 | 48,084 | 45,897 |
Total Allowance for Loan Losses Allocated | 3,193 | 4,340 | 3,310 |
Total Average Recorded Investment | 46,518 | 47,379 | |
Total Interest Income, Accrual Method | 315 | 369 | |
Total Cash Basis Income Recognized | 431 | 511 | |
Commercial Loans [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | 14,926 | 17,535 | 19,631 |
With no specific allowance recorded, Recorded Investment | 6,955 | 8,208 | 10,089 |
With no specific allowance recorded, Average Recorded Investment | 8,641 | 10,070 | |
With no specific allowance recorded, Interest Income Recognized | 1 | 2 | |
With no specific allowance recorded, Cash Basis Income Recognized | 58 | 55 | |
With a specific allowance recorded, Unpaid Principal Balance | 9,689 | 3,423 | 7,116 |
With a specific allowance recorded, Recorded Investment | 7,554 | 2,832 | 4,756 |
With a specific allowance recorded, Allowance for Loan Losses Allocated | 682 | 299 | 717 |
With a specific allowance recorded, Average Recorded Investment | 5,327 | 1,634 | |
With a specific allowance recorded, Interest Income Recognized | 37 | 12 | |
With a specific allowance recorded, Cash Basis Income Recognized | 39 | 20 | |
Total Recorded Investment | 14,509 | | 14,845 |
Total Allowance for Loan Losses Allocated | 682 | | 717 |
Commercial Loans [Member] | Multifamily [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | 197 | 90 | 185 |
With no specific allowance recorded, Recorded Investment | 85 | 90 | 85 |
With no specific allowance recorded, Average Recorded Investment | 86 | 490 | |
With a specific allowance recorded, Unpaid Principal Balance | | 1,185 | 33 |
With a specific allowance recorded, Recorded Investment | | 1,085 | 8 |
With a specific allowance recorded, Allowance for Loan Losses Allocated | | 206 | 6 |
With a specific allowance recorded, Average Recorded Investment | 21 | 335 | |
With a specific allowance recorded, Interest Income Recognized | | 11 | |
With a specific allowance recorded, Cash Basis Income Recognized | | 16 | |
Commercial Loans [Member] | Nonresidential [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | 4,258 | 5,514 | 7,201 |
With no specific allowance recorded, Recorded Investment | 2,450 | 3,920 | 5,582 |
With no specific allowance recorded, Average Recorded Investment | 3,880 | 4,943 | |
With no specific allowance recorded, Interest Income Recognized | 1 | 2 | |
With no specific allowance recorded, Cash Basis Income Recognized | 39 | 11 | |
With a specific allowance recorded, Unpaid Principal Balance | 6,550 | 1,914 | 3,944 |
With a specific allowance recorded, Recorded Investment | 6,367 | 1,423 | 3,561 |
With a specific allowance recorded, Allowance for Loan Losses Allocated | 586 | 90 | 615 |
With a specific allowance recorded, Average Recorded Investment | 3,644 | 1,167 | |
With a specific allowance recorded, Interest Income Recognized | 37 | 1 | |
With a specific allowance recorded, Cash Basis Income Recognized | 39 | 4 | |
Commercial Loans [Member] | Land [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | 3,958 | 3,913 | 3,958 |
With no specific allowance recorded, Recorded Investment | 532 | 487 | 532 |
With no specific allowance recorded, Average Recorded Investment | 532 | 487 | |
Commercial Loans [Member] | Construction [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | 1,126 | | 1,126 |
With no specific allowance recorded, Recorded Investment | 188 | | 188 |
With no specific allowance recorded, Average Recorded Investment | 439 | | |
With a specific allowance recorded, Unpaid Principal Balance | 2,815 | | 2,815 |
With a specific allowance recorded, Recorded Investment | 863 | | 863 |
With a specific allowance recorded, Allowance for Loan Losses Allocated | 93 | | 93 |
With a specific allowance recorded, Average Recorded Investment | 1,338 | | |
Commercial Loans [Member] | Secured [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | 3,898 | 4,073 | 3,903 |
With no specific allowance recorded, Recorded Investment | 3,700 | 3,711 | 3,702 |
With no specific allowance recorded, Average Recorded Investment | 3,704 | 4,149 | |
With no specific allowance recorded, Cash Basis Income Recognized | | 1 | |
With a specific allowance recorded, Unpaid Principal Balance | 324 | 324 | 324 |
With a specific allowance recorded, Recorded Investment | 324 | 324 | 324 |
With a specific allowance recorded, Allowance for Loan Losses Allocated | 3 | 3 | 3 |
With a specific allowance recorded, Average Recorded Investment | 324 | 132 | |
Commercial Loans [Member] | Unsecured [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | 1,489 | 3,945 | 3,258 |
With no specific allowance recorded, Average Recorded Investment | | 1 | |
With no specific allowance recorded, Cash Basis Income Recognized | 19 | 43 | |
Residential Mortgage Loans [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | 6,134 | 7,157 | 6,015 |
With no specific allowance recorded, Recorded Investment | 4,649 | 5,072 | 4,518 |
With no specific allowance recorded, Average Recorded Investment | 5,341 | 12,584 | |
With no specific allowance recorded, Interest Income Recognized | 10 | | |
With no specific allowance recorded, Cash Basis Income Recognized | 29 | 39 | |
With a specific allowance recorded, Unpaid Principal Balance | 14,595 | 20,316 | 14,691 |
With a specific allowance recorded, Recorded Investment | 14,595 | 18,472 | 14,691 |
With a specific allowance recorded, Allowance for Loan Losses Allocated | 1,707 | 2,901 | 1,751 |
With a specific allowance recorded, Average Recorded Investment | 14,630 | 10,217 | |
With a specific allowance recorded, Interest Income Recognized | 138 | 171 | |
With a specific allowance recorded, Cash Basis Income Recognized | 153 | 177 | |
Total Recorded Investment | 19,244 | | 19,209 |
Total Allowance for Loan Losses Allocated | 1,707 | | 1,751 |
Residential Mortgage Loans [Member] | Construction [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | | 1,350 | |
With no specific allowance recorded, Recorded Investment | | 641 | |
With no specific allowance recorded, Average Recorded Investment | | 1,160 | |
With a specific allowance recorded, Unpaid Principal Balance | | 3,829 | |
With a specific allowance recorded, Recorded Investment | | 2,241 | |
With a specific allowance recorded, Allowance for Loan Losses Allocated | | 677 | |
With a specific allowance recorded, Average Recorded Investment | | 2,266 | |
Residential Mortgage Loans [Member] | One-to Four-Family [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | 6,134 | 5,807 | 6,015 |
With no specific allowance recorded, Recorded Investment | 4,649 | 4,431 | 4,518 |
With no specific allowance recorded, Average Recorded Investment | 5,341 | 11,424 | |
With no specific allowance recorded, Interest Income Recognized | 10 | | |
With no specific allowance recorded, Cash Basis Income Recognized | 29 | 39 | |
With a specific allowance recorded, Unpaid Principal Balance | 14,595 | 16,487 | 14,691 |
With a specific allowance recorded, Recorded Investment | 14,595 | 16,231 | 14,691 |
With a specific allowance recorded, Allowance for Loan Losses Allocated | 1,707 | 2,224 | 1,751 |
With a specific allowance recorded, Average Recorded Investment | 14,630 | 7,951 | |
With a specific allowance recorded, Interest Income Recognized | 138 | 171 | |
With a specific allowance recorded, Cash Basis Income Recognized | 153 | 177 | |
Consumer Loans [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | 2,950 | 2,677 | 2,223 |
With no specific allowance recorded, Recorded Investment | 2,073 | 2,026 | 1,531 |
With no specific allowance recorded, Average Recorded Investment | 2,173 | 7,291 | |
With no specific allowance recorded, Interest Income Recognized | 9 | 26 | |
With no specific allowance recorded, Cash Basis Income Recognized | 24 | 55 | |
With a specific allowance recorded, Unpaid Principal Balance | 9,977 | 11,533 | 10,313 |
With a specific allowance recorded, Recorded Investment | 9,977 | 11,474 | 10,312 |
With a specific allowance recorded, Allowance for Loan Losses Allocated | 804 | 1,140 | 842 |
With a specific allowance recorded, Average Recorded Investment | 10,406 | 5,583 | |
With a specific allowance recorded, Interest Income Recognized | 120 | 158 | |
With a specific allowance recorded, Cash Basis Income Recognized | 128 | 165 | |
Total Recorded Investment | 12,050 | | 11,843 |
Total Allowance for Loan Losses Allocated | 804 | | 842 |
Consumer Loans [Member] | Home Equity [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | 2,294 | 2,259 | 1,901 |
With no specific allowance recorded, Recorded Investment | 1,679 | 1,751 | 1,262 |
With no specific allowance recorded, Average Recorded Investment | 1,739 | 6,623 | |
With no specific allowance recorded, Interest Income Recognized | 6 | 26 | |
With no specific allowance recorded, Cash Basis Income Recognized | 17 | 45 | |
With a specific allowance recorded, Unpaid Principal Balance | 9,256 | 10,668 | 9,577 |
With a specific allowance recorded, Recorded Investment | 9,256 | 10,638 | 9,577 |
With a specific allowance recorded, Allowance for Loan Losses Allocated | 687 | 999 | 722 |
With a specific allowance recorded, Average Recorded Investment | 9,662 | 5,028 | |
With a specific allowance recorded, Interest Income Recognized | 114 | 153 | |
With a specific allowance recorded, Cash Basis Income Recognized | 122 | 160 | |
Consumer Loans [Member] | Auto [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | 40 | 72 | 47 |
With no specific allowance recorded, Recorded Investment | 32 | 51 | 37 |
With no specific allowance recorded, Average Recorded Investment | 61 | 49 | |
With no specific allowance recorded, Cash Basis Income Recognized | 1 | 3 | |
With a specific allowance recorded, Unpaid Principal Balance | 5 | 9 | 7 |
With a specific allowance recorded, Recorded Investment | 5 | 9 | 6 |
With a specific allowance recorded, Allowance for Loan Losses Allocated | | | 1 |
With a specific allowance recorded, Average Recorded Investment | 7 | 2 | |
Consumer Loans [Member] | Marine [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | 519 | 157 | 151 |
With no specific allowance recorded, Recorded Investment | 293 | 157 | 151 |
With no specific allowance recorded, Average Recorded Investment | 189 | 166 | |
With no specific allowance recorded, Interest Income Recognized | 2 | | |
With no specific allowance recorded, Cash Basis Income Recognized | 5 | 3 | |
Consumer Loans [Member] | Recreational Vehicle [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | 97 | 188 | 124 |
With no specific allowance recorded, Recorded Investment | 69 | 66 | 81 |
With no specific allowance recorded, Average Recorded Investment | 181 | 452 | |
With no specific allowance recorded, Interest Income Recognized | 1 | | |
With no specific allowance recorded, Cash Basis Income Recognized | 1 | 4 | |
With a specific allowance recorded, Unpaid Principal Balance | 716 | 856 | 729 |
With a specific allowance recorded, Recorded Investment | 716 | 827 | 729 |
With a specific allowance recorded, Allowance for Loan Losses Allocated | 117 | 141 | 119 |
With a specific allowance recorded, Average Recorded Investment | 737 | 553 | |
With a specific allowance recorded, Interest Income Recognized | 6 | 5 | |
With a specific allowance recorded, Cash Basis Income Recognized | 6 | 5 | |
Consumer Loans [Member] | Other [Member] | | | |
Schedule Of Financial Receivables [Line Items] | | | |
With no specific allowance recorded, Unpaid Principal Balance | | 1 | |
With no specific allowance recorded, Recorded Investment | | 1 | |
With no specific allowance recorded, Average Recorded Investment | $3 | $1 | |