XML 45 R35.htm IDEA: XBRL DOCUMENT v3.8.0.1
Credit Quality and Allowance for Loan Losses - Summary of Information Pertaining to Originated Loans Which were Deemed to be Impaired Loans (Detail) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance recorded, Recorded Investment $ 3,448   $ 3,144
Impaired loans with no related allowance recorded, Unpaid Principal Balance 3,640   3,178
Impaired loans with no related allowance recorded, Average Recorded Investment 3,597   262
Impaired loans with no related allowance recorded, Interest Income Recognized 152   166
Impaired loans with an allowance recorded, Recorded Investment 2,447 $ 4,248 2,414
Impaired loans with an allowance recorded, Unpaid Principal Balance 2,562 4,324 2,480
Impaired loans with an allowance recorded, Related Allowance 1,213 639 795
Impaired loans with an allowance recorded, Average Recorded Investment 2,793 1,744 2,151
Impaired loans with an allowance recorded, Interest Income Recognized 97 170 114
Impaired loans Recorded Investment 5,895 4,248 5,558
Impaired loans Unpaid Principal Balance 6,202 4,324 5,658
Impaired loans Related Allowance 1,213 639 795
Impaired loans Average Recorded Investment 6,390 1,744 2,413
Impaired loans Interest Income Recognized 249 170 280
One- to Four-Family First Mortgage [Member]      
Financing Receivable, Impaired [Line Items]      
Impaired loans with an allowance recorded, Recorded Investment   75 252
Impaired loans with an allowance recorded, Unpaid Principal Balance   81 260
Impaired loans with an allowance recorded, Related Allowance   28 39
Impaired loans with an allowance recorded, Average Recorded Investment 55 79 93
Impaired loans with an allowance recorded, Interest Income Recognized   4 13
Impaired loans Recorded Investment   75 252
Impaired loans Unpaid Principal Balance   81 260
Impaired loans Related Allowance   28 39
Impaired loans Average Recorded Investment 55 79 93
Impaired loans Interest Income Recognized   4 13
Home Equity Loans and Lines [Member]      
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance recorded, Recorded Investment 473    
Impaired loans with no related allowance recorded, Unpaid Principal Balance 476    
Impaired loans with no related allowance recorded, Average Recorded Investment 370    
Impaired loans with no related allowance recorded, Interest Income Recognized 18    
Impaired loans with an allowance recorded, Recorded Investment 459    
Impaired loans with an allowance recorded, Unpaid Principal Balance 460    
Impaired loans with an allowance recorded, Related Allowance 348    
Impaired loans with an allowance recorded, Average Recorded Investment 358    
Impaired loans with an allowance recorded, Interest Income Recognized 17    
Impaired loans Recorded Investment 932    
Impaired loans Unpaid Principal Balance 936    
Impaired loans Related Allowance 348    
Impaired loans Average Recorded Investment 728    
Impaired loans Interest Income Recognized 35    
Commercial Real Estate [Member]      
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance recorded, Recorded Investment 23    
Impaired loans with no related allowance recorded, Unpaid Principal Balance 33    
Impaired loans with no related allowance recorded, Average Recorded Investment 18    
Impaired loans with no related allowance recorded, Interest Income Recognized 1    
Impaired loans with an allowance recorded, Recorded Investment   619 462
Impaired loans with an allowance recorded, Unpaid Principal Balance   650 483
Impaired loans with an allowance recorded, Related Allowance   64 19
Impaired loans with an allowance recorded, Average Recorded Investment 395 375 423
Impaired loans with an allowance recorded, Interest Income Recognized   17 14
Impaired loans Recorded Investment 23 619 462
Impaired loans Unpaid Principal Balance 33 650 483
Impaired loans Related Allowance   64 19
Impaired loans Average Recorded Investment 413 375 423
Impaired loans Interest Income Recognized 1 17 14
Commercial and Industrial [Member]      
Financing Receivable, Impaired [Line Items]      
Impaired loans with no related allowance recorded, Recorded Investment 2,952   3,144
Impaired loans with no related allowance recorded, Unpaid Principal Balance 3,131   3,178
Impaired loans with no related allowance recorded, Average Recorded Investment 3,209   262
Impaired loans with no related allowance recorded, Interest Income Recognized 133   166
Impaired loans with an allowance recorded, Recorded Investment 1,988 3,554 1,700
Impaired loans with an allowance recorded, Unpaid Principal Balance 2,102 3,593 1,737
Impaired loans with an allowance recorded, Related Allowance 865 547 737
Impaired loans with an allowance recorded, Average Recorded Investment 1,985 1,290 1,635
Impaired loans with an allowance recorded, Interest Income Recognized 80 149 87
Impaired loans Recorded Investment 4,940 3,554 4,844
Impaired loans Unpaid Principal Balance 5,233 3,593 4,915
Impaired loans Related Allowance 865 547 737
Impaired loans Average Recorded Investment 5,194 1,290 1,897
Impaired loans Interest Income Recognized $ 213 $ 149 $ 253