ESSA Bancorp (ESSA) 10-K 14 Dec 15 2015 FY Annual report Financial data

Document and Entity Information

Document and Entity Information - USD ($)	12 Months Ended
	Sep. 30, 2015	Dec. 01, 2015	Mar. 31, 2015
Document And Entity Information [Abstract]
Document Type	10-K
Amendment Flag	false
Document Period End Date	Sep. 30, 2015
Document Fiscal Year Focus	2,015
Document Fiscal Period Focus	FY
Trading Symbol	ESSA
Entity Registrant Name	ESSA Bancorp, Inc.
Entity Central Index Key	1,382,230
Current Fiscal Year End Date	--09-30
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		11,331,744
Entity Public Float			$ 130,837,471

Consolidated Balance Sheet

Consolidated Balance Sheet - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
ASSETS
Cash and due from banks	$ 15,905	$ 20,884
Interest-bearing deposits with other institutions	2,853	1,417
Total cash and cash equivalents	18,758	22,301
Certificates of deposit	1,750	1,767
Investment securities available for sale, at fair value	379,407	383,078
Loans receivable (net of allowance for loan losses of $8,919 and $8,634)	1,102,118	1,058,267
Regulatory stock, at cost	13,831	14,284
Premises and equipment, net	16,553	16,957
Bank-owned life insurance	30,655	29,720
Foreclosed real estate	2,480	2,759
Intangible assets, net	1,759	2,396
Goodwill	10,259	10,259
Deferred income taxes	11,149	12,027
Other assets	17,825	21,000
TOTAL ASSETS	1,606,544	1,574,815
LIABILITIES
Deposits	1,096,754	1,133,889
Short-term borrowings	91,339	108,020
Other borrowings	229,101	151,300
Advances by borrowers for taxes and insurance	4,273	4,093
Other liabilities	13,797	10,204
TOTAL LIABILITIES	$ 1,435,264	$ 1,407,506
STOCKHOLDERS' EQUITY
Preferred stock ($.01 par value; 10,000,000 shares authorized, none issued)
Common stock ($.01 par value; 40,000,000 shares authorized, 18,133,095 issued; 11,353,244 and 11,590,378 outstanding at September 30, 2015 and 2014, respectively)	$ 181	$ 181
Additional paid-in capital	182,295	182,486
Unallocated common stock held by the Employee Stock Ownership Plan ("ESOP")	(9,627)	(10,079)
Retained earnings	83,658	77,413
Treasury stock, at cost; 6,779,851 and 6,542,717 shares at September 30, 2015 and 2014, respectively	(82,832)	(80,113)
Accumulated other comprehensive loss	(2,395)	(2,579)
TOTAL STOCKHOLDERS' EQUITY	171,280	167,309
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,606,544	$ 1,574,815

Consolidated Balance Sheet (Par

Consolidated Balance Sheet (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Statement of Financial Position [Abstract]
Allowance for loan losses	$ 8,919	$ 8,634
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	18,133,095	18,133,095
Common stock, shares outstanding	11,353,244	11,590,378
Treasury stock, shares	6,779,851	6,542,717

Consolidated Statement of Incom

Consolidated Statement of Income - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
INTEREST INCOME
Loans receivable, including fees	$ 45,067	$ 43,382	$ 44,744
Investment securities:
Taxable	7,199	6,385	5,958
Exempt from federal income tax	965	550	272
Other investment income	948	459	128
Total interest income	54,179	50,776	51,102
INTEREST EXPENSE
Deposits	7,425	7,907	7,408
Short-term borrowings	431	180	129
Other borrowings	2,534	2,540	3,720
Total interest expense	10,390	10,627	11,257
NET INTEREST INCOME	43,789	40,149	39,845
Provision for loan losses	2,075	2,350	3,750
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES	41,714	37,799	36,095
NONINTEREST INCOME
Service fees on deposit accounts	3,271	3,185	3,133
Services charges and fees on loans	1,152	865	1,027
Trust and investment fees	901	906	853
Gain on sale of investments, net	786	333	749
Gain on sale of loans, net			426
Earnings on bank-owned life insurance	935	923	949
Insurance commissions	790	841	838
Gain on acquisition		241
Other	61	113	49
Total noninterest income	7,896	7,407	8,024
NONINTEREST EXPENSE
Compensation and employee benefits	20,606	18,920	19,002
Occupancy and equipment	4,150	4,050	3,895
Professional fees	1,983	1,883	1,868
Data processing	3,449	3,270	2,907
Advertising	974	633	574
Federal Deposit Insurance Corporation ("FDIC") premiums	1,125	1,002	947
Gain on foreclosed real estate	(148)	(466)	(468)
Merger-related costs	285	522
Amortization of intangible assets	637	959	991
Other	3,804	3,038	2,746
Total noninterest expense	36,865	33,811	32,462
Income before income taxes	12,745	11,395	11,657
Income taxes	2,954	2,891	2,834
NET INCOME	$ 9,791	$ 8,504	$ 8,823
Earnings per share:
Basic	$ 0.94	$ 0.79	$ 0.76
Diluted	0.93	0.79	0.76
Dividends per share	$ 0.34	$ 0.26	$ 0.20

Consolidated Statement of Compr

Consolidated Statement of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 9,791	$ 8,504	$ 8,823
Investment securities available for sale:
Unrealized holding gain (loss)	4,240	1,210	(8,550)
Tax effect	(1,441)	(412)	2,907
Reclassification of gains recognized in net income	(786)	(333)	(749)
Tax effect	268	113	255
Net of tax amount	2,281	578	(6,137)
Pension plan adjustment:
Related to actuarial (losses) gains	(3,177)	(2,912)	4,763
Tax effect	1,080	990	(1,619)
Net of tax amount	(2,097)	(1,922)	3,144
Total other comprehensive income (loss)	184	(1,344)	(2,993)
Comprehensive income	$ 9,975	$ 7,160	$ 5,830

Consolidated Statement of Chang

Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Unallocated Common Stock Held by the ESOP [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Sep. 30, 2012	$ 175,411	$ 181	$ 181,220	$ (10,985)	$ 65,181	$ (61,944)	$ 1,758
Beginning Balance, Shares at Sep. 30, 2012		13,229,908
Net income	8,823				8,823
Other comprehensive income (loss)	(2,993)						(2,993)
Cash dividends declared	(2,295)				(2,295)
Stock-based compensation	1,516		1,516
Allocation of ESOP stock	485		32	453
Allocation of treasury shares to incentive plan			(328)			328
Allocation of treasury shares to incentive plan, Shares		30,000
Treasury shares purchased	(14,501)					(14,501)
Treasury shares purchased, Shares		(1,314,344)
Ending Balance at Sep. 30, 2013	166,446	$ 181	182,440	(10,532)	71,709	(76,117)	(1,235)
Ending Balance, Shares at Sep. 30, 2013		11,945,564
Net income	8,504				8,504
Other comprehensive income (loss)	(1,344)						(1,344)
Cash dividends declared	(2,800)				(2,800)
Stock-based compensation	219		219
Allocation of ESOP stock	500		47	453
Allocation of treasury shares to incentive plan			(220)			220
Allocation of treasury shares to incentive plan, Shares		14,600
Treasury shares purchased	(4,216)					(4,216)
Treasury shares purchased, Shares		(369,786)
Ending Balance at Sep. 30, 2014	$ 167,309	$ 181	182,486	(10,079)	77,413	(80,113)	(2,579)
Ending Balance, Shares at Sep. 30, 2014	11,590,378	11,590,378
Net income	$ 9,791				9,791
Other comprehensive income (loss)	184						184
Cash dividends declared	(3,546)				(3,546)
Stock-based compensation	113		113
Allocation of ESOP stock	561		109	452
Allocation of treasury shares to incentive plan			(413)			413
Allocation of treasury shares to incentive plan, Shares		21,843
Treasury shares purchased	(3,132)					(3,132)
Treasury shares purchased, Shares		(258,977)
Ending Balance at Sep. 30, 2015	$ 171,280	$ 181	$ 182,295	$ (9,627)	$ 83,658	$ (82,832)	$ (2,395)
Ending Balance, Shares at Sep. 30, 2015	11,353,244	11,353,244

Consolidated Statement of Chan7

Consolidated Statement of Changes in Stockholders' Equity (Parenthetical) - $ / shares	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Cash dividends declared, per share	$ 0.34	$ 0.26	$ 0.20
Retained Earnings [Member]
Cash dividends declared, per share	$ 0.34	$ 0.26	$ 0.2

Consolidated Statement of Cash

Consolidated Statement of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
OPERATING ACTIVITIES
Net income	$ 9,791	$ 8,504	$ 8,823
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	2,075	2,350	3,750
Provision for depreciation and amortization	1,326	1,261	1,145
Amortization and accretion of discounts and premiums, net	2,389	1,199	1,504
Net gain on sale of investment securities	(786)	(333)	(749)
Gain on sale of loans, net			(426)
Origination of mortgage loans sold			(19,530)
Proceeds from sale of mortgage loans originated for sale			19,956
Compensation expense from ESOP	561	500	485
Stock-based compensation	113	219	1,516
(Increase) decrease in accrued interest receivable	(7)	(648)	544
Increase (decrease) in accrued interest payable	35	(2)	(295)
Earnings on bank-owned life insurance	(935)	(923)	(949)
Deferred federal income taxes	784	1,386	1,188
Decrease in prepaid FDIC insurance premiums			1,934
Increase (decrease) in accrued pension liability	206	(344)	4,587
Gain on foreclosed real estate	(167)	(466)	(468)
Amortization of intangible assets	637	959	991
Gain on acquisition		(241)
Other, net	3,314	1,047	(812)
Net cash provided by operating activities	19,336	14,468	23,194
INVESTING ACTIVITIES
Purchase of certificates of deposit	(250)		(501)
Certificate of deposit maturities	267
Investment securities available for sale:
Proceeds from sale of investment securities	20,953	25,354	39,212
Proceeds from principal repayments and maturities	60,241	40,948	95,919
Purchases	(74,531)	(77,836)	(131,264)
Decrease (increase) in loans receivable, net	(49,790)	18,201	16,719
Redemption of regulatory stock	16,352	3,246	13,795
Purchase of regulatory stock	(15,899)	(6,546)	(1,296)
Investment in limited partnership		(98)	(327)
Proceeds from sale of foreclosed real estate	3,254	3,028	3,150
Capital improvements to foreclosed real estate	(85)	(151)	(96)
Investment in insurance brokerage subsidiary			(276)
Acquisition, net of cash acquired		(15,174)
Purchase of premises, equipment, and software	(878)	(677)	(806)
Net cash (used for) provided by investing activities	(40,366)	(9,705)	34,229
FINANCING ACTIVITIES
(Decrease) increase in deposits, net	(37,135)	(78,108)	51,422
Net increase (decrease) in short-term borrowings	(16,681)	85,020	(20,281)
Proceeds from other borrowings	91,101	55,750	27,800
Repayment of other borrowings	(13,300)	(63,887)	(90,000)
Increase (decrease) in advances by borrowers for taxes and insurance	180	(869)	1,530
Purchase of treasury stock shares	(3,132)	(4,216)	(14,501)
Dividends on common stock	(3,546)	(2,800)	(2,295)
Net cash provided by (used) for financing activities	17,487	(9,110)	(46,325)
Increase (decrease) in cash and cash equivalents	(3,543)	(4,347)	11,098
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	22,301	26,648	15,550
CASH AND CASH EQUIVALENTS AT END OF YEAR	18,758	22,301	26,648
Cash paid:
Interest	10,355	10,629	11,552
Income taxes	375		662
Noncash items:
Transfers from loans to foreclosed real estate	$ 2,723	2,623	$ 1,699
Acquisitions:
Cash paid, net		11,058
Noncash assets acquired:
Investments available for sale		55,901
Loans receivable		153,218
Regulatory stock		1,569
Premises and equipment		1,802
Foreclosed real estate		436
Accrued interest receivable		3
Intangible assets		889
Goodwill		1,442
Deferred tax assets		1,031
Other assets		2,504
Noncash assets acquired		218,795
Liabilities assumed:
Certificates of deposit		93,938
Deposits other than certificates of deposit		77,000
Borrowings		30,177
Other liabilities		2,265
Total liabilities		203,380
Net noncash assets acquired		$ 15,415

Summary of Significant Accounti

Summary of Significant Accounting Policies	12 Months Ended
	Sep. 30, 2015
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES A summary of significant accounting and reporting policies applied in the presentation of the accompanying financial statements follows: Nature of Operations and Basis of Presentation The consolidated financial statements include the accounts of ESSA Bancorp, Inc. (the “Company”), its wholly owned subsidiary, ESSA Bank & Trust (the “Bank”), and the Bank’s wholly owned subsidiaries, ESSACOR Inc.; Pocono Investments Company; ESSA Advisory Services, LLC; Integrated Financial Corporation; and Integrated Abstract Incorporated, a wholly owned subsidiary of Integrated Financial Corporation. The primary purpose of the Company is to act as a holding company for the Bank. On November 6, 2014, the Company converted its status from a savings and loan holding company to a bank holding company. Earlier in the year, the Bank converted from a Pennsylvania-chartered savings association to a Pennsylvania-chartered savings bank. The Bank’s primary business consists of the taking of deposits and granting of loans to customers generally in Monroe, Northampton, Lehigh, Lackawanna, and Luzerne counties, Pennsylvania. The Bank is subject to regulation and supervision by the Pennsylvania Department of Banking and Securities and the Federal Deposit Insurance Corporation. The investment in subsidiary on the parent company’s financial statements is carried at the parent company’s equity in the underlying net assets. ESSACOR, Inc. is a Pennsylvania corporation that has been used to purchase properties at tax sales that represent collateral for delinquent loans of the Bank. Pocono Investment Company is a Delaware corporation formed as an investment company subsidiary to hold and manage certain investments, including certain intellectual property. ESSA Advisory Services, LLC is a Pennsylvania limited liability company owned 100 percent by ESSA Bank & Trust. ESSA Advisory Services, LLC is a full-service insurance benefits consulting company offering group services such as health insurance, life insurance, short-term and long-term disability, dental, vision, and 401(k) retirement planning as well as individual health products. Integrated Financial Corporation is a Pennsylvania Corporation that provided investment advisory services to the general public and is currently inactive. Integrated Abstract Incorporated is a Pennsylvania Corporation that provided title insurance services and is currently inactive. All significant intercompany accounts and transactions have been eliminated in consolidation. Use of Estimates in the Preparation of Financial Statements The accounting principles followed by the Company and its subsidiary and the methods of applying these principles conform to U.S. generally accepted accounting principles and to general practice within the banking industry. In preparing the consolidated financial statements, the Company is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the Consolidated Balance Sheet date and related revenues and expenses for the period. Actual results could differ significantly from those estimates. Securities The Company determines the appropriate classification of debt securities at the time of purchase and reevaluates such designation as of each balance sheet date. Securities classified as available for sale are those securities that the Company intends to hold for an indefinite period of time but not necessarily to maturity. Any decision to sell a security classified as available for sale would be based on various factors, including significant movement in interest rates, changes in maturity mix of the Company’s assets and liabilities, liquidity needs, regulatory capital considerations, and other similar factors. Securities available for sale are carried at fair value. Unrealized gains and losses are reported in other comprehensive income, net of the related deferred tax effects. Realized gains or losses, determined on the basis of the cost of the specific securities sold, are included in earnings. Premiums and discounts are recognized in interest income using the interest method over the period to maturity. Declines in the fair value of available-for-sale securities below their cost that are deemed to be other than temporary are reflected in earnings as realized losses. In estimating other-than-temporary impairment losses, the Company considers: (1) the length of time and the extent to which the fair value has been less than cost; (2) the financial condition and near-term prospects of the issuer; and (3) the Company’s intent to sell the security or whether it’s more likely than not that the Company would be required to sell the security before its anticipated recovery in market value. Loans Receivable Loans receivable that the Company has the intent and ability to hold for the foreseeable future or until maturity or payoff are stated at their outstanding unpaid principal balances, net of an allowance for loan losses and any deferred fees and costs. Interest income is accrued on the unpaid principal balance. Loan origination fees, net of certain direct origination costs, are deferred and recognized as an adjustment of the yield (interest income) of the related loans. The Company is generally amortizing these amounts over the contractual life of the loan. The accrual of interest is generally discontinued when the contractual payment of principal or interest has become 90 days past due or the Company has serious doubts about further collectability of principal or interest, even though the loan is currently performing. A loan may remain on accrual status if it is in the process of collection and is either guaranteed or well secured. When a loan is placed on nonaccrual status, unpaid interest credited to income is reversed. Interest received on nonaccrual loans generally is either applied against principal or reported as interest income, according to the Company’s judgment as to the collectability of principal. Generally, loans are restored to accrual status when the obligation is brought current and has performed in accordance with the contractual terms for a reasonable period of time and the ultimate collectability of the total contractual principal and interest is no longer in doubt. Loans Acquired Loans acquired including loans that have evidence of deterioration of credit quality since origination and for which it is probable, at acquisition, that the Company will be unable to collect all contractually required payments receivable, are initially recorded at fair value (as determined by the present value of expected future cash flows) with no valuation allowance. Loans are evaluated individually to determine if there is evidence of deterioration of credit quality since origination. The difference between the undiscounted cash flows expected at acquisition and the investment in the loan, or the “accretable yield,” is recognized as interest income on a level-yield method over the life of the loan. Contractually required payments for interest and principal that exceed the undiscounted cash flows expected at acquisition, or the “non-accretable difference,” are not recognized as a yield adjustment or as a loss accrual or a valuation allowance. Increases in expected cash flows subsequent to the initial investment are recognized prospectively through adjustment of the yield on the loan over its remaining estimated life. Decreases in expected cash flows are recognized immediately as impairment. Any valuation allowances on these impaired loans reflect only losses incurred after acquisition. For purchased loans acquired that are not deemed impaired at acquisition, credit discounts representing the principal losses expected over the life of the loan are a component of the initial fair value. Loans are aggregated and accounted for as a pool of loans if the loans being aggregated have common risk characteristics. Subsequent to the purchase date, the methods utilized to estimate the required allowance for credit losses for these loans is similar to originated loans; however, the Company records a provision for loan losses only when the required allowance exceeds any remaining credit discounts. The remaining differences between the purchase price and the unpaid principal balance at the date of acquisition are recorded in interest income over the life of the loans. Allowance for Loan Losses The allowance for loan losses is established through provisions for loan losses charged against income. Loans deemed to be uncollectible are charged against the allowance for loan losses, and subsequent recoveries, if any, are credited to the allowance. The allowance for loan losses is maintained at a level by management which represents the evaluation of known and inherent risks in the loan portfolio at the consolidated balance sheet date. Management’s periodic evaluation of the adequacy of the allowance is based on the Company’s past loan loss experience, known and inherent risks in the portfolio, adverse situations that may affect the borrower’s ability to repay, the estimated value of any underlying collateral, composition of the loan portfolio, current economic conditions, and other relevant factors. This evaluation is inherently subjective, since it requires material estimates that may be susceptible to significant change, including the amounts and timing of future cash flows expected to be received on impaired loans. The allowance consists of specific and general components. The specific component relates to loans that are classified as impaired. For such loans an allowance is established when the discounted cash flows (or collateral value or observable market price) of the impaired loan is lower than the carrying value of that loan. The general component covers nonclassified loans and is based on historical loss experience adjusted for qualitative factors. All loans are considered impaired when, based on current information and events, it is probable that the Company will be unable to collect the scheduled payments of principal or interest when due according to the contractual terms of the loan agreement and all loan types are considered impaired if the loan is restructured in a troubled debt restructuring. Factors considered by management in determining impairment include payment status, collateral value, and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not classified as impaired. Management determines the significance of payment delays and payment shortfalls on a case-by-case basis, taking into consideration all of the circumstances surrounding the loan and the borrower, including the length of the delay, the reasons for the delay, the borrower’s prior payment record, and the amount of the shortfall in relation to the principal and interest owed. Impairment is measured on a loan-by-loan basis for commercial and construction loans by the present value of expected future cash flows discounted at the loan’s effective interest rate, the loan’s obtainable market price, or the fair value of the collateral if the loan is collateral-dependent. Large groups of smaller-balance homogeneous loans are collectively evaluated for impairment. Accordingly, the Company does not separately identify individual consumer and residential mortgage loans for impairment disclosures unless such loans are part of a larger relationship that is impaired or classified as a troubled debt restructuring or is more than 180 days past due. A loan is considered to be a troubled debt restructuring (“TDR”) loan when the Company grants a concession to the borrower because of the borrower’s financial condition that it would not otherwise consider. Such concessions include the reduction of interest rates, forgiveness of principal or interest, or other modifications of interest rates that are less than the current market rate for new obligations with similar risk. TDR loans that are in compliance with their modified terms and that yield a market rate may be removed from the TDR status after one year of performance. Regulatory Stock Regulatory stock consists of Federal Home Loan Bank (“FHLB”) of Pittsburgh stock and Atlantic Central Bankers Bank stock. Regulatory stocks are carried at cost. The Company is a member of the Federal Home Loan Bank System and holds stock in the Federal Home Loan Bank of Pittsburgh. As a member, the Company maintains an investment in the capital stock of the FHLB of Pittsburgh in an amount not less than 10 basis points of the outstanding member asset value plus 4.0 percent of its outstanding FHLB borrowings, as calculated throughout the year. The equity security is accounted for at cost and classified separately on the Consolidated Balance Sheet. The stock is bought from and sold to the FHLB based upon its $100 par value. The stock does not have a readily determinable fair value and as such is classified as restricted stock, carried at cost and evaluated by management. The stock’s value is determined by the ultimate recoverability of the par value rather than by recognizing temporary declines. The determination of whether the par value will ultimately be recovered is influenced by criteria such as the following: (a) The significance of the decline in net assets of the FHLB as compared to the capital stock amount and the length of time this situation has persisted; (b) commitments by the FHLB to make payments required by law or regulation and the level of such payments in relation to the operating performance; (c) the impact of legislative and regulatory changes on the customer base of the FHLB; and (d) the liquidity position of the FHLB. With consideration given to these factors, management concluded that the stock was not impaired at September 30, 2015. Loan Servicing Servicing assets are recognized as separate assets when rights are acquired through purchase or through sale of financial assets. Capitalized servicing rights are reported in other assets and are amortized into noninterest income in proportion to, and over the period of, the estimated future net servicing income of the underlying financial assets. Servicing assets are evaluated for impairment based upon a third-party appraisal. Fair value is determined using prices for similar assets with similar characteristics, when available, or based upon discounted cash flows using market-based assumptions. Impairment is recognized through a valuation allowance to the extent that fair value is less than the capitalized amount. The Company’s loan servicing assets at September 30, 2015 and 2014, were not impaired. Total servicing assets included in other assets as of September 30, 2015 and 2014, were $412,000 and $688,000, respectively. Premises and Equipment Land is carried at cost. Premises and equipment are stated at cost less accumulated depreciation. Depreciation is calculated using the straight-line method over the useful lives of the related assets, which range from 10 to 40 years for buildings, land improvements, and leasehold improvements and 3 to 7 years for furniture, fixtures, and equipment. Expenditures for maintenance and repairs are charged to operations as incurred. Costs of major additions and improvements are capitalized. Bank-Owned Life Insurance (“BOLI”) The Company owns insurance on the lives of a certain group of key employees. The policies were purchased to help offset the increase in the costs of various fringe benefit plans, including healthcare. The cash surrender value of these policies is included as an asset on the Consolidated Balance Sheet, and any increase in cash surrender value is recorded as noninterest income on the Consolidated Statement of Income. In the event of the death of an insured individual under these policies, the Company would receive a death benefit which would be recorded as noninterest income. Foreclosed Real Estate Real estate owned acquired in settlement of foreclosed loans is carried at fair value minus estimated costs to sell. At acquisition of real estate acquired in settlement of foreclosed loans, the excess of the remaining loan balance over the asset’s estimated fair value less cost to sell is charged off against the allowance for loan losses. Subsequent declines in the asset’s value are recognized as noninterest expense in the Consolidated Statement of Income. Operating expenses of such properties, net of related income, are expensed in the period incurred. Goodwill and Intangible Assets Goodwill is not amortized, but it is tested at least annually for impairment in the fourth quarter, or more frequently if indicators of impairment are present. If the estimated current fair value of a reporting unit exceeds its carrying value, no additional testing is required and an impairment loss is not recorded. The Company uses market capitalization and multiples of tangible book value methods to determine the estimated current fair value of its reporting unit. Based on this analysis, no impairment was recorded in 2015 or 2014. The other intangible assets are assigned useful lives, which are amortized on an accelerated basis over their weighted-average lives. The Company periodically reviews intangible assets for impairment as events or changes in circumstances indicate that the carrying amount of such asset may not be recoverable. Based on these reviews, no impairment was recorded in 2015 and 2014. The following tables provide information for the carrying amount of goodwill and intangible assets. Goodwill 2015 2014 Balance at beginning of year $ 10,259 $ 8,817 Goodwill acquired — 1,442 Balance at end of year $ 10,259 $ 10,259 Intangible assets 2015 2014 Balance at beginning of year $ 2,396 $ 2,466 Intangible assets acquired — 889 Amortization (637 ) (959 ) Balance at end of year $ 1,759 $ 2,396 Amortizable intangible assets were composed of the following: September 30, 2015 2014 Gross Carrying Accumulated (dollars in thousands) Customer data $ 3,297 $ 1,628 $ 1,145 Employment obligations 1,620 1,530 1,376 $ 4,917 $ 3,158 $ 2,521 2015 2014 Aggregate amortization expense: As of the years ended September 30 $ 637 $ 959 Estimated future amortization expense: 2016 $ 510,000 2017 369,000 2018 262,000 2019 146,000 2020 139,000 2021 136,000 2022 109,000 2023 58,000 2024 30,000 $ 1,759,000 Employee Benefit Plans The Bank maintains a noncontributory, defined benefit pension plan for all employees who have met age and length of service requirements. The Bank also maintains a defined contribution Section 401(k) plan covering eligible employees. The Company created an ESOP for the benefit of employees who meet certain eligibility requirements. The Company makes cash contributions to the ESOP on an annual basis. The Company maintains an equity incentive plan to provide for issuance or granting of shares of common stock for stock options or restricted stock. The Company has recorded stock-based employee compensation cost using the fair value method as allowed under generally accepted accounting principles. Management estimated the fair values of all option grants using the Black-Scholes option-pricing model. Management estimated the expected life of the options using the simplified method as allowed under generally accepted accounting principles. The risk-free rate was determined utilizing the treasury yield for the expected life of the option contract. Advertising Costs In accordance with generally accepted accounting principles, the Company expenses all advertising expenditures incurred. Transfers of Financial Assets Transfers of financial assets are accounted for as sales when control over the assets has been surrendered. Control over transferred assets is deemed to be surrendered when (1) the assets have been isolated from the Company; (2) the transferee obtains the right (free of conditions that constrain it from taking advantage of that right) to pledge or exchange the transferred assets; and (3) the Company does not maintain effective control over the transferred assets through an agreement to repurchase them before their maturity. Income Taxes Deferred tax assets and liabilities are reflected based on the differences between the financial statement and the income tax basis of assets and liabilities using the enacted marginal tax rates. Deferred income tax expense and benefit are based on the changes in the deferred tax assets or liabilities from period to period. Deferred tax assets and liabilities are reflected at currently enacted income tax rates applicable to the period in which such items are expected to be realized or settled. As changes in tax rates are enacted, deferred tax assets and liabilities are adjusted through the provision for income taxes. The Company files a consolidated federal income tax return and individual state income tax returns. The Company prescribes a recognition threshold and a measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. Benefits from tax positions should be recognized in the financial statements only when it is more likely than not that the tax position will be sustained upon examination by the appropriate taxing authority that would have full knowledge of all relevant information. A tax position that meets the more-likely-than-not recognition threshold is measured at the largest amount of benefit that is greater than 50 percent likely of being realized upon ultimate settlement. Tax positions that previously failed to meet the more-likely-than-not recognition threshold should be recognized in the first subsequent financial reporting period in which that threshold is met. Previously recognized tax positions that no longer meet the more-likely-than-not recognition threshold should be derecognized in the first subsequent financial reporting period in which that threshold is no longer met. Accounting literature also provides guidance on the accounting for and disclosure of unrecognized tax benefits, interest, and penalties. In accordance with generally accepted accounting principles, interest or penalties incurred for income taxes will be recorded as a component of other expenses. Cash and Cash Equivalents The Company has defined cash and cash equivalents as cash and due from banks and interest-bearing deposits with other institutions with original maturities of less than 90 days. Earnings Per Share The Company provides dual presentation of basic and diluted earnings per share. Basic earnings per share are calculated utilizing net income as reported as the numerator and average shares outstanding as the denominator. The computation of diluted earnings per share differs in that the dilutive effects of any options are adjusted for in the denominator. Comprehensive Income (Loss) The Company is required to present comprehensive income (loss) and its components in a full set of general-purpose financial statements for all periods presented. Other comprehensive income (loss) is composed of net unrealized holding gains or losses on its available-for-sale investment and mortgage-backed securities portfolio, as well as changes in unrecognized pension cost. The components of accumulated other comprehensive income (loss), net of tax, as of year-end were as follows: 2015 2014 2013 Net unrealized gain on securities available for sale $ 2,930 $ 649 $ 71 Net unrecognized pension cost (5,325 ) (3,228 ) (1,306 ) Total $ (2,395 ) $ (2,579 ) $ (1,235 ) Fair Value Measurements We group our assets at fair value in three levels, based on the markets in which the assets are traded and the reliability of the assumptions used to determine fair value. These levels are: • Level I – Valuation is based upon quoted prices for identical instruments traded in active markets. • Level II – Valuation is based upon quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-based valuation techniques for which all significant assumptions are observable in the market. • Level III – Valuation is generated from model-based techniques that use significant assumptions not observable in the market. These unobservable assumptions reflect the Company’s own estimates of assumptions that market participants would use in pricing the asset. We base our fair values on the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. It is our policy to maximize the use of observable inputs and minimize the use of unobservable inputs when developing fair value measurements, in accordance with the fair value hierarchy in generally accepted accounting principles. Fair value measurements for most of our assets are obtained from independent pricing services that we have engaged for this purpose. When available, we, or our independent pricing service, use quoted market prices to measure fair value. If market prices are not available, fair value measurement is based upon models that incorporate available trade, bid, and other market information. Subsequently, all of our financial instruments use either of the foregoing methodologies to determine fair value adjustments recorded to our financial statements. In certain cases, however, when market observable inputs for model-based valuation techniques may not be readily available, we are required to make judgments about assumptions market participants would use in estimating the fair value of financial instruments. The degree of management judgment involved in determining the fair value of a financial instrument is dependent upon the availability of quoted market prices or observable market parameters. For financial instruments that trade actively and have quoted market prices or observable market parameters, there is minimal subjectivity involved in measuring fair value. When observable market prices and parameters are not fully available, management judgment is necessary to estimate fair value. In addition, changes in the market conditions may reduce the availability of quoted prices or observable data. When market data is not available, we use valuation techniques requiring more management judgment to estimate the appropriate fair value measurement. Therefore, the results cannot be determined with precision and may not be realized in an actual sale or immediate settlement of the asset. Additionally, there may be inherent weaknesses in any calculation technique, and changes in the underlying assumptions used, including discount rates and estimates of future cash flows, that could significantly affect the results of current or future valuations. Reclassification of Comparative Amounts Certain items previously reported have been reclassified to conform to the current year’s reporting format. Such reclassifications did not affect consolidated net income or consolidated stockholders’ equity. Recent Accounting Pronouncements In January 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2014-01, Investments – Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Qualified Affordable Housing Projects. In January 2014, the FASB issued ASU 2014-04, Receivables – Troubled Debt Restructurings by Creditors (Subtopic 310-40): Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure. . In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers In June 2014, the FASB issued ASU 2014-11, Transfers and Servicing (Topic 860): Repurchase-to-Maturity Transactions, Repurchase Financings, and Disclosures In June 2014, the FASB issued ASU 2014-12, Compensation-Stock Compensation (Topic 718): Accounting for Share-Based Payments when the Terms of an Award Provide that a Performance Target Could Be Achieved After the Requisite Service Period In August 2014, the FASB issued ASU 2014-14, Receivables – Troubled Debt Restructurings by Creditors (Subtopic 310-40) In August 2014, the FASB issued ASU 2014-15, Presentation of Financial Statements -Going Concern (Subtopic In November 2014, the FASB issued ASU 2014-16, Derivatives and Hedging (Topic 815): Determining Whether the Host Contract in a Hybrid Financial Instrument Issued in the Form of a Share Is More Akin to Debt or to Equity (a consensus of the FASB Emerging Issues Task Force). In January 2015, the FASB issued ASU 2015-01, Income Statement –Extraordinary and Unusual Items, In February 2015, the FASB issued ASU 2015-02, Consolidation (Topic 810) In April 2015, the FASB issued ASU 2015-03, Interest-Imputation of Interest (Subtopic 835-30) In April 2015, the FASB issued ASU 2015-04, Compensation-Retirement Benefits (Topic 715), In April 2015, the FASB issued ASU 2015-05, Intangible – Goodwill and Other Internal Use Software (Topic 350-40) In May 2015, the FASB issued ASU 2015-08 , Business Combinations - Pushdown Accounting - Amendment to SEC Paragraphs Pursuant to Staff Accounting Bulletin No. 115 In May 2015, the FASB issued ASU 2015-09, Financial Services-Insurance (Topic 944) - Disclosure about Short-Duration Contracts Financial Services-Insurance In June 2015, the FASB issued ASU 2015-10, Technical Corrections and Improvements In August 2015, the FASB issued ASU 2015-14, Revenue from Contracts with Customers In August 2015, the FASB issued ASU 2015-15, Interest – Imputation of Interest (Subtopic 835-30): Presentation And Subsequent Measurement of Debt Issuance Costs Associated with Line-of-Credit Arrangements - Amendments to SEC Paragraphs Pursuant to Staff Announcement at June 18, 2015 EITF Meeting In September 2015, the FASB issued ASU 2015-16, Business Combinations (Topic 805).

Earnings Per Share

Earnings Per Share	12 Months Ended
	Sep. 30, 2015
Earnings Per Share [Abstract]
Earnings Per Share	2. EARNINGS PER SHARE The following table sets forth the composition of the weighted-average common shares (denominator) used in the basic and diluted earnings per share computation for the years ended September 30, 2015, 2014, and 2013. 2015 2014 2013 Weighted-average common shares outstanding 18,133,095 18,133,095 18,133,095 Average treasury stock shares (6,682,911 ) (6,284,870 ) (5,475,194 ) Average unearned ESOP shares (973,168 ) (1,018,444 ) (1,063,720 ) Average unearned nonvested shares (22,560 ) (12,351 ) (34,627 ) Weighted-average common shares and common stock equivalents used to calculate basic earnings per share 10,454,456 10,817,430 11,559,554 Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share 9,787 3,485 — Additional common stock equivalents (stock options) used to calculate diluted earnings per share 78,887 — — Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share 10,543,130 10,820,915 11,559,554 At September 30, 2015, there were 12,230 shares of nonvested stock outstanding at a price of $11.07 per share that were not included in the computation of diluted earnings per share because to do so would have been anti-dilutive. At September 30, 2014, there were 966 shares of nonvested stock outstanding at a price of $10.94 per share and options to purchase 1,443,379 shares of common stock outstanding at a price of $12.35 per share that were not included in the computation of diluted earnings per share because to do so would have been anti-dilutive. At September 30, 2013, there were 19,998 shares of nonvested stock outstanding at a price of $10.94 per share and options to purchase 1,443,379 shares of common stock outstanding at a price of $12.35 per share that were not included in the computation of diluted earnings per share because to do so would have been anti-dilutive.

Investment Securities

Investment Securities	12 Months Ended
	Sep. 30, 2015
Investments, Debt and Equity Securities [Abstract]
Investment Securities	3. INVESTMENT SECURITIES The amortized cost and fair value of investment securities available for sale are summarized as follows (in thousands): 2015 Amortized Gross Gross Fair Available for sale Fannie Mae $ 130,476 $ 2,052 $ (541 ) $ 131,987 Freddie Mac 88,514 1,063 (286 ) 89,291 Governmental National Mortgage Association securities 13,201 103 (52 ) 13,252 Other mortgage-backed securities 2,494 — (17 ) 2,477 Total mortgage-backed securities 234,685 3,218 (896 ) 237,007 Obligations of states and political subdivisions 50,094 1,676 (145 ) 51,625 U.S. government agency securities 45,799 399 (12 ) 46,186 Corporate obligations 22,440 157 (237 ) 22,360 Trust-preferred securities 1,613 98 — 1,711 Other debt securities 20,313 216 (36 ) 20,493 Total debt securities 374,944 5,764 (1,326 ) 379,382 Equity securities - financial services 25 — — 25 Total $ 374,969 $ 5,764 $ (1,326 ) $ 379,407 2014 Amortized Gross Gross Fair Available for sale Fannie Mae $ 144,291 $ 1,327 $ (1,550 ) $ 144,068 Freddie Mac 99,556 548 (1,277 ) 98,827 Governmental National Mortgage Association securities 19,446 92 (161 ) 19,377 Other mortgage-backed securities 2,795 — (15 ) 2,780 Total mortgage-backed securities 266,088 1,967 (3,003 ) 265,052 Obligations of states and political subdivisions 41,375 1,654 (258 ) 42,771 U.S. government agency securities 47,821 192 (383 ) 47,630 Corporate obligations 13,140 236 (48 ) 13,328 Trust-preferred securities 5,027 594 — 5,621 Other debt securities 6,618 51 (18 ) 6,651 Total debt securities 380,069 4,694 (3,710 ) 381,053 Equity securities - financial services 2,025 — — 2,025 Total $ 382,094 $ 4,694 $ (3,710 ) $ 383,078 The amortized cost and fair value of debt securities at September 30, 2015, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties (in thousands): Available for Sale Amortized Fair Due in one year or less $ 6,504 $ 6,519 Due after one year through five years 53,267 53,908 Due after five years through ten years 61,402 62,288 Due after ten years 253,771 256,667 Total $ 374,944 $ 379,382 For the years ended September 30, 2015, 2014, and 2013, the Company realized gross gains of $796,000, $457,000, and $766,000, and gross losses of $10,000, $124,000, and $17,000, respectively, and proceeds from the sale of investment securities of $20,953,000, $25,354,000, and $39,212,000, respectively. Investment securities with carrying values of $93,446,000 and $136,053,000 at September 30, 2015 and 2014, respectively, were pledged to secure public deposits and other purposes as required by law.

Unrealized Losses on Securities

Unrealized Losses on Securities	12 Months Ended
	Sep. 30, 2015
Text Block [Abstract]
Unrealized Losses on Securities	4. UNREALIZED LOSSES ON SECURITIES The following table shows the Company’s gross unrealized losses and fair value, aggregated by investment category and length of time that the individual securities have been in a continuous unrealized loss position (in thousands): 2015 Less than Twelve Months Twelve Months or Greater Total Number Fair Gross Fair Gross Fair Gross Fannie Mae 22 $ 7,238 $ (28 ) $ 23,609 $ (513 ) $ 30,847 $ (541 ) Freddie Mac 12 1,487 (1 ) 15,477 (285 ) 16,964 (286 ) Governmental National Mortgage Association securities 2 — — 2,209 (52 ) 2,209 (52 ) Other mortgage-backed securities 3 — — 2,477 (17 ) 2,477 (17 ) Obligations of states and political subdivisions 14 9,184 (57 ) 4,667 (88 ) 13,851 (145 ) U.S. government agency securities 3 3,246 (12 ) — — 3,246 (12 ) Corporate obligations 10 9,263 (207 ) 970 (30 ) 10,233 (237 ) Other debt securities 6 5,232 (26 ) 1,748 (10 ) 6,980 (36 ) Total 72 $ 35,650 $ (331 ) $ 51,157 $ (995 ) $ 86,807 $ (1,326 ) 2014 Less than Twelve Months Twelve Months or Greater Total Number Fair Gross Fair Gross Fair Gross Fannie Mae 39 $ 34,377 $ (164 ) $ 33,249 $ (1,386 ) $ 67,626 $ (1,550 ) Freddie Mac 36 38,210 (216 ) 29,269 (1,061 ) 67,479 (1,277 ) Governmental National Mortgage Association securities 5 4,127 (22 ) 2,981 (139 ) 7,108 (161 ) Other mortgage-backed securities 3 — — 2,780 (15 ) 2,780 (15 ) Obligations of states and political subdivisions 5 — — 7,207 (258 ) 7,207 (258 ) U.S. government agency securities 11 8,004 (25 ) 18,629 (358 ) 26,633 (383 ) Corporate obligations 5 3,142 (32 ) 1,130 (16 ) 4,272 (48 ) Other debt securities 2 1,980 (18 ) — — 1,980 (18 ) Total 106 $ 89,840 $ (477 ) $ 95,245 $ (3,233 ) $ 185,085 $ (3,710 ) The Company’s investment securities portfolio contains unrealized losses on securities, including mortgage-related instruments issued or backed by the full faith and credit of the United States government, or generally viewed as having the implied guarantee of the U.S. government, other mortgage-backed securities, corporate obligations, obligations of states and political subdivisions and other debt securities. The Company reviews its position quarterly and has asserted that at September 30, 2015 and 2014, the declines outlined in the above table represent temporary declines and the Company would not be required to sell the security before its anticipated recovery in market value. The Company has concluded that any impairment of its investment securities portfolio at September 30, 2015 and 2014, is not other than temporary but is the result of interest rate changes that are not expected to result in the noncollection of principal and interest during the period.

Loans Receivable

Loans Receivable	12 Months Ended
	Sep. 30, 2015
Receivables [Abstract]
Loans Receivable	5. LOANS RECEIVABLE Loans receivable consist of the following (in thousands): 2015 2014 Real estate loans: Residential $ 610,582 $ 654,152 Construction 878 1,367 Commercial 200,004 190,536 Commercial 34,314 25,807 Obligations of states and political subdivisions 59,820 49,177 Home equity loans and lines of credit 39,903 41,387 Auto loans 162,193 100,571 Other 3,343 3,904 1,111,037 1,066,901 Less allowance for loan losses 8,919 8,634 Net loans $ 1,102,118 $ 1,058,267 Included in the September 30, 2015 balances are loans acquired from First National Community Bank and Franklin Security Bank in 2014 and First Star Bank in 2012. Upon acquisition, the Company evaluated whether each acquired loan (regardless of size) was within the scope of ASC 310-30, Receivables-Loans and Debt Securities Acquired with Deteriorated Credit Quality Changes in the accretable yield for purchased credit-impaired loans were as follows, since acquisition, for the periods ended September 30, 2015 and 2014. September 30, 2015 September 30, 2014 Balance at beginning of period $ 170 $ — Reclassification and other 228 872 Accretion (140 ) (702 ) Balance at end of period $ 258 $ 170 Included in reclassification and other for loans acquired without specific evidence of deterioration in credit quality were $228,000 and $872,000 of reclassifications from nonaccretable discounts to accretable discounts in 2015 and 2014 respectively. The following table presents additional information regarding loans acquired and accounted for in accordance with ASC 310-30 (in thousands): September 30, 2015 September 30, 2014 Acquired Loans with Specific Acquired Loans with Specific Outstanding balance $ 4,779 $ 6,177 Carrying amount 4,162 5,097 There has been $266,000 in allowance for loan losses recorded for acquired loans with or without specific evidence of deterioration in credit quality as of September 30, 2015. There has been $157,000 in allowance for loan losses recorded for acquired loans with or without specific evidence of deterioration in credit quality as of September 30, 2014. In addition, no allowance for loan losses has been reversed. Loans serviced by the Company for others amounted to $81,659,000 and $104,810,000 at September 30, 2015 and 2014, respectively. The Company’s primary business activity is with customers located within its local trade area. Commercial, residential, and consumer loans are granted. The Company also funds commercial and residential loans originated outside its immediate trade area provided such loans meet the Company’s credit policy guidelines. Although the Company has a diversified loan portfolio at September 30, 2015 and 2014, loans outstanding to individuals and businesses are dependent upon the local economic conditions in its immediate trade area. At September 30, 2015, 2014, and 2013, the Company had nonaccrual loans of $20,105,000, $21,912,000, and $23,279,000, respectively. Additional interest income that would have been recorded under the original terms of the loan agreements amounted to $188,000, $660,000, and $883,000, for the years ended September 30, 2015, 2014, and 2013, respectively. Impaired loans for the years ended September 30 are summarized as follows (in thousands): 2015 2014 2013 Impaired loans with a related allowance $ 2,772 $ 3,318 $ 6,160 Impaired loans without a related allowance 30,099 33,647 31,066 Related allowance for loan losses 568 468 819 Average recorded balance of impaired loans 34,539 37,345 37,386 Interest income recognized 1,207 1,234 860 The following table shows the amount of loans in each category that was individually and collectively evaluated for impairment at the dates indicated (in thousands): Total Individually Loans Collectively September 30, 2015 Real estate loans: Residential $ 610,582 $ 11,985 $ — $ 598,597 Construction 878 — — 878 Commercial 200,004 15,100 4,108 180,796 Commercial 34,314 204 54 34,056 Obligations of states and political subdivisions 59,820 — — 59,820 Home equity loans and lines of credit 39,903 795 — 39,108 Auto Loans 162,193 625 — 161,568 Other 3,343 — — 3,343 Total $ 1,111,037 $ 28,709 $ 4,162 $ 1,078,166 Total Individually Loans Collectively September 30, 2014 Real estate loans: Residential $ 654,152 $ 13,528 $ 110 $ 640,514 Construction 1,367 — — 1,367 Commercial 190,536 17,517 4,727 168,292 Commercial 25,807 456 263 25,088 Obligations of states and political subdivisions 49,177 — — 49,177 Home equity loans and lines of credit 41,387 266 (3 ) 41,124 Auto Loans 100,571 101 — 100,470 Other 3,904 — — 3,904 Total $ 1,066,901 $ 31,868 $ 5,097 $ 1,029,936 The Company maintains a loan review system, which allows for a periodic review of our loan portfolio and the early identification of potential impaired loans. Such system takes into consideration, among other things, delinquency status, size of loans, type and market value of collateral, and financial condition of the borrowers. Specific loan loss allowances are established for identified losses based on a review of such information. A loan evaluated for impairment is considered to be impaired when, based on current information and events, it is probable that the Company will be unable to collect all amounts due according to the contractual terms of the loan agreement. All loans identified as impaired are evaluated independently. The Company does not aggregate such loans for evaluation purposes. Impairment is measured on a loan-by-loan basis for commercial and construction loans by the present value of expected future cash flows discounted at the loan’s effective interest rate, the loan’s obtainable market price, or the fair value of the collateral if the loan is collateral-dependent. Large groups of smaller-balance homogeneous loans are collectively evaluated for impairment. Accordingly, the Company does not separately identify individual consumer and residential mortgage loans for impairment disclosures, unless such loans are part of a larger relationship that is impaired or are classified as a troubled debt restructuring. A loan is considered to be a troubled debt restructuring (“TDR”) loan when the Company grants a concession to the borrower because of the borrower’s financial condition that it would not otherwise consider. Such concessions include the reduction of interest rates, forgiveness of principal or interest, or other modifications of interest rates that are less than the current market rate for new obligations with similar risk. TDR loans that are in compliance with their modified terms and that yield a market rate of interest may be removed from the TDR status after one year of performance. The following table includes the recorded investment and unpaid principal balances for impaired loans with the associated allowance amount, if applicable. Also presented are the average recorded investments in the impaired loans and the related amount of interest recognized during the time within the period that the impaired loans were impaired (in thousands). Recorded Unpaid Associated Average Interest September 30, 2015 With no specific allowance recorded: Real estate loans: Residential $ 9,552 $ 11,521 $ — $ 10,105 $ 274 Construction — — — — — Commercial 19,208 20,167 — 20,425 851 Commercial 258 270 — 480 10 Obligations of states and political subdivisions — — — — — Home equity loans and lines of credit 731 743 — 379 7 Auto loans 350 464 — 102 3 Other — — — — — Subtotal 30,099 33,165 — 31,491 1,145 With an allowance recorded: Real estate loans: Residential 2,433 2,639 373 2,624 52 Construction — — — — — Commercial — — — 281 — Commercial — — — — — Obligations of states and political subdivisions — — — — — Home equity loans and lines of credit 64 93 64 43 — Auto loans 275 275 131 100 10 Other — — — — — Subtotal 2,772 3,007 568 3,048 62 Total: Real estate loans: Residential 11,985 14,160 373 12,729 326 Construction — — — — — Commercial 19,208 20,167 — 20,706 851 Commercial 258 270 — 480 10 Obligations of states and political subdivisions — — — — — Home equity loans and lines of credit 795 836 64 422 7 Auto loans 625 739 131 202 13 Other — — — — — Total $ 32,871 $ 36,172 $ 568 $ 34,539 $ 1,207 Recorded Unpaid Associated Average Interest September 30, 2014 With no specific allowance recorded: Real estate loans: Residential $ 11,030 $ 13,225 $ — $ 9,687 $ 311 Construction — — — — — Commercial 21,587 22,428 — 20,200 726 Commercial 719 777 — 2,146 92 Obligations of states and political subdivisions — — — — — Home equity loans and lines of credit 210 377 — 260 7 Auto loans 101 101 — 99 — Other — — — — — Subtotal 33,647 36,908 — 32,392 1,136 With an allowance recorded: Real estate loans: Residential 2,608 2,997 334 3,330 98 Construction — — — — — Commercial 657 677 84 1,598 — Commercial — — — — — Obligations of states and political subdivisions — — — — — Home equity loans and lines of credit 53 76 50 25 — Auto loans — — — — — Other — — — — — Subtotal 3,318 3,750 468 4,953 98 Total: Real estate loans: Residential 13,638 16,222 334 13,017 409 Construction — — — — — Commercial 22,244 23,105 84 21,798 726 Commercial 719 777 — 2,146 92 Obligations of states and political subdivisions — — — — — Home equity loans and lines of credit 263 453 50 285 7 Auto loans 101 101 — 99 — Other — — — — — Total $ 36,965 $ 40,658 $ 468 $ 37,345 $ 1,234 The Company uses a ten-point internal risk-rating system to monitor the credit quality of the overall loan portfolio. The first six categories are considered not criticized and are aggregated as Pass-rated. The criticized rating categories utilized by management generally follow bank regulatory definitions. The Special Mention category includes assets that are fundamentally sound yet, exhibit potentially unacceptable credit risk or deteriorating trends or characteristics which if left uncorrected, may result in deterioration of the repayment prospects for the asset or in the Company’s credit position at some future date. Loans in the Substandard category have well-defined weaknesses that jeopardize the liquidation of the debt and have a distinct possibility that some loss will be sustained if the weaknesses are not corrected. All loans greater than 90 days past due are considered Substandard. Loans in the Doubtful category have all the weaknesses inherent in one classified Substandard with the added characteristic that the weaknesses make collection or liquidation in full, on the basis of currently existing facts, conditions, and values, highly questionable and improbable. Loans in the Loss category are considered uncollectible and of little value that their continuance as bankable assets is not warranted. To help ensure that risk ratings are accurate and reflect the present and future capacity of borrowers to repay a loan as agreed, the Company has a structured loan rating process with several layers of internal and external oversight. Generally, consumer and residential mortgage loans are included in the Pass categories unless a specific action, such as bankruptcy, repossession, or death, occurs to raise awareness of a possible credit event. The Company’s Commercial Loan Officers are responsible for the timely and accurate risk rating of the loans in their portfolios at origination and on an ongoing basis. The Company’s Commercial Loan Officers perform an annual review of all commercial relationships $500,000 or greater. Confirmation of the appropriate risk grade is included in the review on an ongoing basis. The Company engages an external consultant to conduct loan reviews on at least a semiannual basis. Generally, the external consultant reviews commercial relationships greater than $1,000,000 and/or all criticized relationships. Detailed reviews, including plans for resolution, are performed on loans classified as Substandard on a quarterly basis. Loans in the Special Mention and Substandard categories that are evaluated for impairment are given separate consideration in the determination of the allowance. The following table presents the classes of the loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard, and Doubtful within the internal risk rating system as of September 30, 2015 and 2014 (in thousands): Pass Special Substandard Doubtful Total September 30, 2015 Commercial real estate loans $ 174,516 $ 4,521 $ 20,967 $ — $ 200,004 Commercial 33,801 — 513 — 34,314 Obligations of states and political subdivisions 59,820 — — — 59,820 Total $ 268,137 $ 4,521 $ 21,480 $ — $ 294,138 Pass Special Substandard Doubtful Total September 30, 2014 Commercial real estate loans $ 160,749 $ 8,020 $ 21,469 $ 298 $ 190,536 Commercial 24,874 345 588 — 25,807 Obligations of states and political subdivisions 49,177 — — — 49,177 Total $ 234,800 $ 8,365 $ 22,057 $ 298 $ 265,520 All other loans are underwritten and structured using standardized criteria and characteristics, primarily payment performance, and are normally risk rated and monitored collectively on a monthly basis. These are typically loans to individuals in the consumer categories and are delineated as either performing or nonperforming. For residential real estate loans, construction real estate loans, home equity loans and lines of credit, auto loans, and other loans, the Company evaluates credit quality based on the performance of the individual credits. The following table presents the recorded investment in the loan classes based on payment activity as of September 30, 2015 and 2014 (in thousands): Performing Nonperforming Total September 30, 2015 Real estate loans: Residential $ 600,810 $ 9,772 $ 610,582 Construction 878 — 878 Home equity loans and lines of credit 39,213 690 39,903 Auto Loans 161,827 366 162,193 Other 3,322 21 3,343 Total $ 806,050 $ 10,849 $ 816,899 Performing Nonperforming Total September 30, 2014 Real estate loans: Residential $ 644,374 $ 9,778 $ 654,152 Construction 1,367 — 1,367 Home equity loans and lines of credit 41,128 259 41,387 Auto Loans 100,571 — 100,571 Other 3,884 20 3,904 Total $ 791,324 $ 10,057 $ 801,381 The Company further monitors the performance and credit quality of the loan portfolio by analyzing the age of the portfolio as determined by the length of time a recorded payment is past due. The following table presents the classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans as of September 30, 2015 and 2014 (in thousands): Current 31-60 61-90 Greater than Non- Total Total September 30, 2015 Real estate loans: Residential $ 598,190 $ 1,575 $ 1,045 $ — $ 9,772 $ 12,392 $ 610,582 Construction 878 — — — — — 878 Commercial 190,440 137 587 — 8,840 9,564 200,004 Commercial 33,545 346 7 — 416 769 34,314 Obligations of states and political subdivisions 59,820 — — — — — 59,820 Home equity loans and lines of credit 39,136 32 45 — 690 767 39,903 Auto loans 160,272 1,375 180 — 366 1,921 162,193 Other 3,295 27 — — 21 48 3,343 Total $ 1,085,576 $ 3,492 $ 1,864 $ — $ 20,105 $ 25,461 $ 1,111,037 Current 31-60 61-90 Greater than Non- Total Total September 30, 2014 Real estate loans: Residential $ 640,583 $ 2,398 $ 1,393 $ — $ 9,778 $ 13,569 $ 654,152 Construction 1,367 — — — — — 1,367 Commercial 179,319 516 89 — 10,612 11,217 190,536 Commercial 24,424 110 30 — 1,243 1,383 25,807 Obligations of states and political subdivisions 49,159 18 — — — 18 49,177 Home equity loans and lines of credit 40,870 225 33 — 259 517 41,387 Auto loans 100,112 426 33 — — 459 100,571 Other 3,884 — — — 20 20 3,904 Total $ 1,039,718 $ 3,693 $ 1,578 $ — $ 21,912 $ 27,183 $ 1,066,901 The allowance for loan losses (“ALL”) is maintained at a level necessary to absorb loan losses that are both probable and reasonably estimable. Management, in determining the allowance for loan losses, considers the losses inherent in its loan portfolio and changes in the nature and volume of loan activities, along with the general economic and real estate market conditions. The allowance for loan losses consists of two elements: (1) an allocated allowance, which comprises allowances established on specific loans and class allowances based on historical loss experience and current trends, and (2) an allocated allowance based on general economic conditions and other risk factors in our markets and portfolios. We maintain a loan review system, which allows for a periodic review of our loan portfolio and the early identification of potential impaired loans. Such system takes into consideration, among other things, delinquency status, size of loans, type and market value of collateral, and financial condition of the borrowers. General loan loss allowances are based upon a combination of factors including, but not limited to, actual loan loss experience, composition of the loan portfolio, current economic conditions, management’s judgment and losses which are probable and reasonably estimable. The allowance is increased through provisions charged against current earnings and recoveries of previously charged-off loans. Loans that are determined to be uncollectible are charged against the allowance. While management uses available information to recognize probable and reasonably estimable loan losses, future loss provisions may be necessary, based on changing economic conditions. Payments received on impaired loans generally are either applied against principal or reported as interest income, according to management’s judgment as to the collectability of principal. The allowance for loan losses as of September 30, 2015, is maintained at a level that represents management’s best estimate of losses inherent in the loan portfolio, and such losses were both probable and reasonably estimable. In addition, the FDIC and the Pennsylvania Department of Banking, as an integral part of their examination process, have periodically reviewed the Company’s allowance for loan losses. The banking regulators may require that the Company recognize additions to the allowance based on their analysis and review of information available to it at the time of their examination. Management reviews the loan portfolio on a quarterly basis using a defined, consistently applied process in order to make appropriate and timely adjustments to the ALL. When information confirms all or part of specific loans to be uncollectible, these amounts are promptly charged-off against the ALL. The following table summarizes the primary segments of the ALL, segregated into the amount required for loans individually evaluated for impairment and the amount required for loans collectively evaluated for impairment as of September 30, 2015, 2014 and 2013 (in thousands): Real Obligations of Home Equity Residential Construction Commercial Commercial Subdivisions Credit Auto Other Unallocated Total ALL balance at September 30, 2012 $ 5,401 $ 29 $ 699 $ 474 $ 127 $ 499 $ — $ 22 $ 51 $ 7,302 Charge-offs (2,401 ) — (403 ) — — (243 ) — (6 ) — (3,053 ) Recoveries 50 — 2 — — 13 — — — 65 Provision 2,737 (9 ) 648 (137 ) 3 161 — 5 342 3,750 ALL balance at September 30, 2013 $ 5,787 $ 20 $ 946 $ 337 $ 130 $ 430 $ — $ 21 $ 393 $ 8,064 ALL balance at September 30, 2013 $ 5,787 $ 20 $ 946 $ 337 $ 130 $ 430 $ — $ 21 $ 393 $ 8,064 Charge-offs (1,709 ) — (120 ) (101 ) — (145 ) — (3 ) — (2,078 ) Recoveries 163 — 94 20 — 18 — 3 — 298 Provision 1,332 (9 ) (257 ) 272 33 167 459 11 342 2,350 ALL balance at September 30, 2014 $ 5,573 $ 11 $ 663 $ 528 $ 163 $ 470 $ 459 $ 32 $ 735 $ 8,634 ALL balance at September 30, 2014 $ 5,573 $ 11 $ 663 $ 528 $ 163 $ 470 $ 459 $ 32 $ 735 $ 8,634 Charge-offs (1,359 ) — (65 ) (30 ) — (27 ) (596 ) (6 ) — (2,083 ) Recoveries 76 — 84 23 — 15 87 8 — 293 Provision 850 (4 ) (11 ) 172 26 3 1,620 (7 ) (574 ) 2,075 ALL balance at September 30, 2015 $ 5,140 $ 7 $ 671 $ 693 $ 189 $ 461 $ 1,570 $ 27 $ 161 $ 8,919 Individually evaluated for impairment $ 373 $ — $ — $ — $ — $ 64 $ 131 $ — $ — $ 568 Collectively evaluated for impairment 4,767 7 671 693 189 397 1,439 27 161 8,351 ALL balance at September 30, 2015 $ 5,140 $ 7 $ 671 $ 693 $ 189 $ 461 $ 1,570 $ 27 $ 161 $ 8,919 Individually evaluated for impairment $ 334 $ — $ 84 $ — $ — $ 50 $ — $ — $ — $ 468 Collectively evaluated for impairment 5,239 11 579 528 163 420 459 32 735 8,166 ALL balance at September 30, 2014 $ 5,573 $ 11 $ 663 $ 528 $ 163 $ 470 $ 459 $ 32 $ 735 $ 8,634 The allowance for loan losses is based on estimates, and actual losses will vary from current estimates. Management believes that the granularity of the homogeneous pools and the related historical loss ratios and other qualitative factors, as well as the consistency in the application of assumptions, result in an ALL that is representative of the risk found in the components of the portfolio at any given date. The Company allocated increased provisions to the residential real estate, commercial, obligations of states and political subdivisions, home equity loans and line of credit, and indirect auto loans segments for the year ended September 30, 2015, due to increased loans balances and/or charge-off activity in those segments. Outstanding loan balances of indirect auto loans, which increased $61.6 million from September 30, 2014 to September 30, 2015, had the largest increase in provisions. The Company allocated decreased allowance for loan loss provisions to the construction loans, commercial real estate, and other loans segments due to declining loan balances and actual loss experience being less than previously estimated. The Company allocated increased provisions to the residential real estate, commercial and home equity loans, and lines of credit segments for the year ended September 30, 2014, due to increased charge-off activity in those segments. The Company allocated decreased allowance for loan loss provisions to the commercial real estate segment due to actual loss experience being less than previously estimated. Despite the above allocations, the allowance for loan losses is general in nature and is available to absorb losses from any loan segment. The following is a summary of troubled debt restructurings granted during the periods indicated (in thousands). For the Year Ended September 30, 2015 Number of Pre-Modification Post-Modification Troubled debt restructurings Real estate loans: Residential 14 $ 2,775 $ 2,775 Construction — — — Commercial — — — Commercial — — — Obligations of states and political subdivisions — — — Home equity loans and lines of credit 2 175 175 Auto loans — — — Other — — — Total 16 $ 2,950 $ 2,950 For the Year Ended September 30, 2014 Number of Pre-Modification Post-Modification Troubled debt restructurings Real estate loans: Residential 9 $ 1,366 $ 1,366 Construction — — — Commercial 3 487 487 Commercial 1 279 279 Obligations of states and political subdivisions — — — Home equity loans and lines of credit — — — Auto loans — — — Other — — — Total 13 $ 2,132 $ 2,132 Of the sixteen new troubled debt restructurings granted for the year ended September 30, 2015, twelve loans totaling $2.3 million were granted terms and rate concessions and three loans totaling $480,000 were granted terms concessions and one loan for $177,000 was granted an interest rate concession. Of the thirteen new troubled debt restructurings granted for the year ended September 30, 2014, seven loans totaling $996,000 were granted terms and rate concessions and six loans totaling $1.1 million were granted terms concessions. For the year ended September 30, 2015 there were two residential mortgages totaling $208,000 that defaulted within one year of modification. For the years ended September 30, 2014 and 2013, there were no loan modifications classified as troubled debt restructurings that subsequently defaulted within one year of modification.

Premises and Equipment

Premises and Equipment	12 Months Ended
	Sep. 30, 2015
Property, Plant and Equipment [Abstract]
Premises and Equipment	6. PREMISES AND EQUIPMENT Premises and equipment consist of the following (in thousands): 2015 2014 Land and land improvements $ 6,167 $ 6,167 Buildings and leasehold improvements 16,047 15,646 Furniture, fixtures, and equipment 10,402 10,005 Construction in process 14 85 32,630 31,903 Less accumulated depreciation (16,077 ) (14,946 ) Total $ 16,553 $ 16,957 Depreciation expense amounted to $1,131,000, $1,097,000, and $1,019,000, for the years ended September 30, 2015, 2014, and 2013, respectively.

Deposits

Deposits	12 Months Ended
	Sep. 30, 2015
Banking and Thrift [Abstract]
Deposits	7. DEPOSITS Deposits and their respective weighted-average interest rates consist of the following major classifications (in thousands): 2015 2014 Weighted- Amount Weighted- Amount Noninterest-bearing demand accounts — % $ 98,514 — % $ 70,048 Interest bearing demand accounts 0.09 110,268 0.07 163,936 Money market accounts 0.23 162,418 0.23 170,158 Savings and club accounts 0.05 129,227 0.05 122,734 Certificates of deposit 1.11 596,327 1.25 607,013 Total 0.65 % $ 1,096,754 0.72 % $ 1,133,889 2015 2014 Weighted- Amount Weighted- Amount Certificates of deposit: 0.00 - 2.00% 0.98 % $ 541,503 0.97 % $ 503,905 2.01 - 4.00% 2.36 54,824 2.63 103,108 Total 1.11 % $ 596,327 1.25 % $ 607,013 At September 30 scheduled maturities of certificates of deposit are as follows (in thousands): Within three months $ 104,181 Three through six months 69,371 Six through twelve months 108,892 Over twelve months 313,883 Total $ 596,327 Brokered deposits totaled $271,916,000 and $218,368,000 at September 30, 2015 and 2014, respectively. The aggregate amount of certificates of deposit with a minimum denomination of $250,000 were $25,677,000 and $25,562,000 at September 30, 2015 and 2014, respectively. The scheduled maturities of certificates of deposit in denominations of $100,000 or more as of September 30, 2015, are as follows (in thousands): Within three months $ 25,951 Three through six months 14,580 Six through twelve months 23,703 Over twelve months 101,013 Total $ 165,247 A summary of interest expense on deposits for the years ended September 30 is as follows (in thousands): 2015 2014 2013 Interest bearing demand accounts $ 103 $ 76 $ 51 Money market accounts 465 315 327 Savings and club accounts 62 61 51 Certificates of deposits 6,795 7,455 6,979 Total $ 7,425 $ 7,907 $ 7,408

Short-Term Borrowings

Short-Term Borrowings	12 Months Ended
	Sep. 30, 2015
Debt Disclosure [Abstract]
Short-Term Borrowings	8. SHORT-TERM BORROWINGS As of September 30, 2015 and 2014, the Company had $91,339,000 and $108,020,000 of short-term borrowings, respectively, of which $38,839,000 in 2015 and $5,020,000 in 2014 were advances on a $150,000,000 line of credit with the FHLB. All borrowings from the FHLB are secured by a blanket lien on qualified collateral, defined principally as investment securities and mortgage loans that are owned by the Company free and clear of any liens or encumbrances. At September 30, 2015, the Company had a borrowing limit of approximately $551.2 million, with a variable rate of interest, based on the FHLB’s cost of funds. The following table sets forth information concerning short-term borrowings (in thousands): 2015 2014 Balance at year-end $ 91,339 $ 108,020 Maximum amount outstanding at any month-end 132,533 108,020 Average balance outstanding during the year 115,006 55,204 Weighted-average interest rate: As of year-end 0.40 % 0.33 % Paid during the year 0.37 % 0.33 % Average balances outstanding during the year represent daily average balances, and average interest rates represent interest expenses divided by the related average balance.

Other Borrowings

Other Borrowings	12 Months Ended
	Sep. 30, 2015
Debt Disclosure [Abstract]
Other Borrowings	9. OTHER BORROWINGS The following table presents contractual maturities of FHLB long-term advances (in thousands): Maturity Range Weighted- Stated Interest Rate Ranged Description From To Interest Rate From To 2015 2014 Convertible 12/5/2018 12/5/2018 3.30 % 3.30 % 3.30 % $ 5,000 $ 5,000 Fixed rate 11/5/2015 9/21/2020 1.58 0.63 2.85 119,951 116,300 Mid-term 10/30/2015 9/10/2018 0.81 0.45 1.27 104,150 30,000 Total $ 229,101 $ 151,300 Maturities of FHLB long-term advances are summarized as follows (in thousands): Year Ending September 30, Amount Weighted- 2016 $ 67,800 0.94 % 2017 76,030 1.05 2018 42,575 1.45 2019 34,050 2.03 2020 8,646 1.81 Total $ 229,101 1.27 % Included above is one convertible note for $5,000,000 which is convertible to a variable-rate advance on specific dates at the discretion of the FHLB. Should the FHLB convert this advance, the Bank has the option of accepting the variable rate or repaying the advance without penalty. The FHLB long-term advances are secured by qualifying assets of the Bank, which include the FHLB stock, securities, and first-mortgage loans.

Income Taxes

Income Taxes	12 Months Ended
	Sep. 30, 2015
Income Tax Disclosure [Abstract]
Income Taxes	10. INCOME TAXES The provision for income taxes consists of (in thousands): 2015 2014 2013 Current: Federal $ 2,154 $ 1,505 $ 1,646 State 16 — — Total current taxes 2,170 1,505 1,646 Deferred income tax benefit 784 1,386 1,188 Total income tax provision $ 2,954 $ 2,891 $ 2,834 The tax effects of deductible and taxable temporary differences that gave rise to significant portions of the deferred tax assets and deferred tax liabilities are as follows (in thousands): 2015 2014 Deferred tax assets: Allowance for loan losses $ 3,032 $ 2,936 Employee benefit plan 2,743 1,663 Investment losses subject to Section 382 limitation 4,637 4,910 Purchase accounting adjustment 604 1,423 Other 4,093 3,964 Total gross deferred tax assets 15,109 14,896 Deferred tax liabilities: Pension plan 1,184 1,254 Net unrealized gain on securities 1,509 335 Mortgage servicing rights 104 119 Premises and equipment 273 258 Other 890 903 Total gross deferred tax liabilities 3,960 2,869 Net deferred tax assets $ 11,149 $ 12,027 The Company establishes a valuation allowance for deferred tax assets when management believes that the deferred tax assets are not likely to be realized either through a carryback to taxable income in prior years, future reversals of existing taxable temporary differences, and, to a lesser extent, future taxable income. Accounting principles prescribe a recognition threshold and a measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. Benefits from tax positions should be recognized in the financial statements only when it is more likely than not that the tax position will be sustained upon examination by the appropriate taxing authority that would have full knowledge of all relevant information. A tax position that meets the more-likely-than-not recognition threshold is measured at the largest amount of benefit that is greater than 50 percent likely of being realized upon ultimate settlement. Tax positions that previously failed to meet the more-likely-than-not recognition threshold should be recognized in the first subsequent financial reporting period in which that threshold is met. Previously recognized tax positions that no longer meet the more-likely-than-not recognition threshold should be derecognized in the first subsequent financial reporting period in which that threshold is no longer met. There is currently no liability for uncertain tax positions and no known unrecognized tax benefits. The Company recognizes, when applicable, interest and penalties related to unrecognized tax benefits in the provision for income taxes in the Consolidated Statement of Income. The Company’s federal and state income tax returns for taxable years through 2008 have been closed for purposes of examination by the Internal Revenue Service and the Pennsylvania Department of Revenue. Tax year 2010 has also been closed. Tax year 2009 was reopened to file an amended return in June 2013. The reconciliation of the federal statutory rate and the Company’s effective income tax rate is as follows (in thousands): 2015 2014 2013 Amount % of Amount % of Amount % of Provision at statutory rate $ 4,333 34.0 % $ 3,874 34.0 % $ 3,963 34.0 % Income from bank-owned life insurance (318 ) (2.5 ) (314 ) (2.8 ) (322 ) (2.8 ) Tax-exempt income (752 ) (5.9 ) (536 ) (4.7 ) (388 ) (3.3 ) Low-income housing credits (254 ) (2.0 ) (140 ) (1.2 ) (289 ) (2.5 ) Nondeductible merger expenses 21 0.2 — — — — Other, net (76 ) (0.6 ) 7 0.1 (130 ) (1.1 ) Actual tax expense and effective rate $ 2,954 23.2 % $ 2,891 25.4 % $ 2,834 24.3 % The Bank is subject to the Pennsylvania Mutual Thrift Institutions Tax that is calculated at 11.5 percent of earnings based on U.S. generally accepted accounting principles with certain adjustments. Retained earnings include $4.6 million at September 30, 2015, for which no provision for federal income tax has been made. This amount represents deductions for bad debt reserves for tax purposes, which were only allowed to savings institutions that met certain definitional tests prescribed by the Internal Revenue Code of 1986, as amended. The Small Business Job Protection Act of 1996 eliminated the special bad debt deduction granted solely to thrifts. Under the terms of the Act, there would be no recapture of the pre-1988 (base year) reserves. However, these pre-1988 reserves would be subject to recapture under the rules of the Internal Revenue Code if the Bank itself pays a cash dividend in excess of earnings and profits or liquidates. The Act also provides for the recapture of deductions arising from the Bank’s applicable excess reserve, which is defined as the total amount of reserve over the base year reserve. The Bank’s total reserve exceeds the base year reserve, and deferred taxes have been provided for this excess.

Commitments

Commitments	12 Months Ended
	Sep. 30, 2015
Commitments and Contingencies Disclosure [Abstract]
Commitments	11. COMMITMENTS In the normal course of business, management makes various commitments that are not reflected in the consolidated financial statements. These commitments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the Consolidated Balance Sheet. The Company’s exposure to credit loss in the event of nonperformance by the other parties to the financial instruments is represented by the contractual amounts as disclosed. Losses, if any, are charged to the allowance for loan losses. The Company minimizes its exposure to credit loss under these commitments by subjecting them to credit approval and review procedures and collateral requirements, as deemed necessary, in compliance with lending policy guidelines. The off-balance sheet commitments consist of the following (in thousands): 2015 2014 Commitments to extend credit $ 37,238 $ 40,615 Standby letters of credit 3,231 7,521 Unfunded lines of credit 43,820 44,039 Commitments to extend credit consist of fixed and variable rate commitments with interest rates ranging from 2.90 percent to 5.00 percent. The commitments outstanding at September 30, 2015, contractually mature in less than one year. The instruments involve, to varying degrees, elements of credit and interest rate risk in excess of the amount recognized in the Consolidated Balance Sheet. The Company uses the same credit policies in making commitments and conditional obligations as it does for on-balance sheet instruments. The amount of collateral obtained, as deemed necessary, is based upon management’s credit evaluation in compliance with the lending policy guidelines. Since many of the credit line commitments are expected to expire without being fully drawn upon, the total contractual amounts do not necessarily represent future funding requirements. Standby letters of credit and financial guarantees represent conditional commitments issued to guarantee performance of a customer to a third party. The coverage period for these instruments is typically a one-year period with renewal option subject to prior approval by management. Fees earned from the issuance of these letters are recognized over the coverage period. For secured letters of credit, the collateral is typically Company deposit instruments.

Lease Commitments and Total Ren

Lease Commitments and Total Rental Expense	12 Months Ended
	Sep. 30, 2015
Text Block [Abstract]
Lease Commitments and Total Rental Expense	12. LEASE COMMITMENTS AND TOTAL RENTAL EXPENSE The Company leases various branch locations and other offices under long-term operating leases. Future minimum lease payments by year and in the aggregate, under noncancellable operating leases with initial or remaining terms of one year or more, consisted of the following at September 30, 2015 (in thousands): 2016 $ 607 2017 478 2018 376 2019 332 2020 336 2021 and beyond 1,273 Total $ 3,402 The total rental expenses for the above leases for the years ended September 30, 2015, 2014, and 2013, were $917,000, $952,000, and $913,000, respectively. The Company also operates six offices that currently do not have long-term operating leases.

Employee Benefits

Employee Benefits	12 Months Ended
	Sep. 30, 2015
Postemployment Benefits [Abstract]
Employee Benefits	13. EMPLOYEE BENEFITS Employee Stock Ownership Plan (“ESOP”) The Company created an ESOP for the benefit of employees who meet the eligibility requirements, which include having completed one year of service with the Company or its subsidiary and attained age 21. The ESOP trust acquired 1,358,472 shares of the Company’s stock from proceeds from a loan with the Company. The Company makes cash contributions to the ESOP on an annual basis sufficient to enable the ESOP to make the required loan payments. Cash dividends paid on allocated shares are distributed to participants and cash dividends paid on unallocated shares are used to repay the outstanding debt of the ESOP. The ESOP trust’s outstanding loan bears interest at 3.25 percent and requires an annual payment of principal and interest of $718,000 through December of 2036. The Company’s ESOP, which is internally leveraged, does not report the loans receivable extended to the ESOP as assets and does not report the ESOP debt due to the Company. As the debt is repaid, shares are released from the collateral and allocated to qualified employees based on the proportion of payments made during the year to the remaining amount of payments due on the loan through maturity. Accordingly, the shares pledged as collateral are reported as unallocated common stock held by the ESOP shares in the Consolidated Balance Sheet. As shares are released from collateral, the Company reports compensation expense equal to the current market price of the shares, and the shares become outstanding for earnings-per-share computations. The Company recognized ESOP expense of $561,000, $500,000, and $485,000 for the years ended September 30, 2015, 2014, and 2013, respectively. The following table presents the components of the ESOP shares: 2015 2014 Allocated shares 328,573 292,428 Shares committed to be released 33,962 33,962 Unreleased shares 962,251 1,007,533 Total ESOP shares 1,324,786 1,333,923 Fair value of unreleased shares (in thousands) $ 12,471 $ 11,385 Equity Incentive Plan The Company implemented the ESSA Bancorp, Inc. Equity Incentive Plan (the “Plan”). The Plan provides for a total of 2,377,326 shares of common stock for issuance upon the grant or exercise of awards. Of the shares available under the Plan, 1,698,090 may be issued in connection with the exercise of stock options and 679,236 may be issued as restricted stock. The Plan allows for the granting of non-qualified stock options (“NSOs”), incentive stock options (“ISOs”), and restricted stock. Options are granted at no less than the fair value of the Company’s common stock on the date of the grant. Certain officers, employees, and outside directors were granted in aggregate 1,140,469 NSOs; 317,910 ISOs; and 590,320 shares of restricted stock. Certain officers were granted in aggregate 30,000 shares of restricted stock on April 1, 2013, 19,880 of restricted stock on July 22, 2014 and 21,843 shares of restricted stock on May 20, 2015. In accordance with generally accepted accounting principles , The Company classifies share-based compensation for employees and outside directors within “Compensation and employee benefits” in the consolidated statement of income to correspond with the same line item as compensation paid. Additionally, generally accepted accounting principles require the Company to report: (1) the expense associated with the grants as an adjustment to operating cash flows, and (2) any benefits of realized tax deductions in excess of previously recognized tax benefits on compensation expense as a financing cash flow. Stock options vested over a five-year service period and expire ten years after grant date. Management recognizes compensation expense for the fair values of these awards, which vested on a straight-line basis over the requisite service period of the awards. The 2013 restricted shares vested over an 18-month service period. The 2014 restricted shares vest over a 39-month service period. The 2015 restricted shares vest over a 41 month service period. The product of the number of shares granted and the grant date market price of the Company’s common stock determine the fair value of restricted shares under the Company’s restricted stock plan. Management recognizes compensation expense for the fair value of restricted shares on a straight-line basis over the requisite service period for the entire award. During the years ended September 30, 2015, 2014, and 2013, the Company recorded $95,000, $219,000, and $1.5 million of share-based compensation expense, consisting of stock option expense of $0, $0, and $458,000, and restricted stock expense of $95,000, $219,000, and $1.1 million, respectively. Expected future compensation expense relating to the 26,311 restricted shares at September 30, 2015, is $386,000 over the remaining vesting periods of two and three years. The following is a summary of the Company’s stock option activity and related information for its option plan for the year ended September 30, 2015. Number of Weighted- Weighted- Aggregate Outstanding, September 30, 2014 1,443,379 $ 12.35 3.67 $ — Granted — — — — Exercised (5,000 ) 12.35 2.67 — Forfeited (123,799 ) 12.35 2.67 — Outstanding, September 30, 2015 1,314,580 12.35 2.67 802,000 Exercisable at year-end 1,314,580 12.35 2.67 802,000 The following is a summary of the status of the Company’s restricted stock as of September 30, 2015, and changes therein during the year then ended: Number of Weighted- Nonvested at September 30, 2014 14,906 $ 11.07 Granted 21,843 13.05 Vested (10,438 ) 12.11 Forfeited — — Nonvested at September 30, 2015 26,311 12.30 Defined Benefit Plan The Bank sponsors a trusteed, noncontributory defined benefit pension plan covering substantially all employees and officers. The plan calls for benefits to be paid to eligible employees at retirement based primarily upon years of service with the Bank and compensation rates near retirement. The Bank’s funding policy is to make annual contributions, if needed, based upon the funding formula developed by the plan’s actuary. The following table sets forth the change in plan assets and benefit obligation at September 30 (in thousands): 2015 2014 Change in benefit obligation: Benefit obligation at beginning of year $ 18,598 $ 14,997 Service cost 873 577 Interest cost 826 763 Actuarial losses 2,124 3,383 Benefits paid (328 ) (1,122 ) Benefit obligation at end of year 22,093 18,598 Change in plan assets: Fair value of plan assets at beginning of year 17,395 16,363 Actual return on plan assets (60 ) 1,604 Contributions 500 550 Benefits paid (328 ) (1,122 ) Fair value of plan assets at end of year 17,507 17,395 Funded status $ (4,586 ) $ (1,203 ) Amounts not yet recognized as a component of net periodic pension cost (in thousands): 2015 2014 2013 Amounts recognized in accumulated other comprehensive loss consist of: Net loss $ 8,068 $ 4,891 $ 1,979 The accumulated benefit obligation for the defined benefit pension plan was $16,341,000 and $13,253,000 at September 30, 2015 and 2014, respectively. The following table comprises the components of net periodic benefit cost for the years ended September 30 (in thousands): 2015 2014 2013 Service cost $ 873 $ 577 $ 702 Interest cost 826 763 716 Expected return on plan assets (1,233 ) (1,162 ) (1,034 ) Amortization of unrecognized loss 241 28 392 Net periodic benefit cost $ 707 $ 206 $ 776 The estimated net loss for the defined benefit pension plan that will be amortized from accumulated other comprehensive loss into net periodic benefit cost over the next fiscal year is $477,000. Weighted-average assumptions used to determine benefit obligations: 2015 2014 Discount rate 4.45 % 4.45 % Rate of compensation increase 4.00 4.00 Weighted-average assumptions used to determine net periodic benefit cost for the years ended: 2015 2014 2013 Discount rate 4.45 % 5.10 % 4.15 % Expected long-term return on plan assets 7.00 7.00 7.00 Rate of compensation increase 4.00 4.00 4.00 The expected long-term rate of return was estimated using market benchmarks by which the plan assets would outperform the market in the future, based on historical experience adjusted for changes in asset allocation and expectations for overall lower future returns on similar investments compared with past periods. Plan Assets The following tables set forth by level, within the fair value hierarchy, the plan’s financial assets at fair value as of September 30, 2015 and 2014 (in thousands): September 30, 2015 Level I Level II Level III Total Assets: Investment in collective trusts Fixed income $ — $ 7,074 $ — $ 7,074 Equity — 10,430 — 10,430 Investment in short-term investments — 3 — 3 Total assets at fair value $ — $ 17,507 $ — $ 17,507 September 30, 2014 Level I Level II Level III Total Assets: Investment in collective trusts Fixed income $ — $ 6,995 $ — $ 6,995 Equity — 10,385 — 10,385 Investment in short-term investments — 15 — 15 Total assets at fair value $ — $ 17,395 $ — $ 17,395 Investments in collective trusts and short-term investments are valued at the net asset value of shares held by the plan. The Bank’s defined benefit pension plan weighted-average asset allocations at September 30, by asset category, are as follows: Asset Category 2015 2014 Cash and fixed income securities 40.3 % 40.2 % Equity securities 59.6 59.7 Other 0.1 0.1 Total 100.0 % 100.0 % The Bank believes that the plan’s risk and liquidity position are, in large part, a function of the asset class mix. The Bank desires to utilize a portfolio mix that results in a balanced investment strategy. Three asset classes are outlined, as above. The target allocations of these classes are as follows: equity securities, 65 percent, and cash and fixed income securities, 35 percent. Cash Flows The Bank expects to contribute $631,000 to its pension plan in 2016. Estimated future benefit payments, which reflect expected future service, as appropriate, are as follows (in thousands): 2016 $ 85 2017 92 2018 117 2019 211 2020 284 2021-2025 4,447 401(k) Plan The Bank also has a savings plan qualified under Section 401(k) of the Internal Revenue Code, which covers substantially all employees over 21 years of age. Employees can contribute to the plan, but are not required to. Employer contributions were suspended in January 2011. Supplemental Executive Retirement Plan The Bank maintains a salary continuation agreement with certain executives of the Bank, which provides for benefits upon retirement to be paid to the executive for no less than 192 months, unless the executive elects to receive the present value of the payments as a lump sum. The Bank has recorded accruals of $771,000 and $680,000 at September 30, 2015 and 2014, respectively which represent the estimated present value (using a discount rate of 6.00 percent) of the benefits earned under this agreement. There was $91,000 in expense related to the supplemental executive retirement plan for the year ended September 30, 2015. There was no expense related to the supplemental executive retirement plan for the years ended September 30, 2014, and 2013.

Regulatory Restrictions

Regulatory Restrictions	12 Months Ended
	Sep. 30, 2015
Text Block [Abstract]
Regulatory Restrictions	14. REGULATORY RESTRICTIONS Reserve Requirements The Bank is required to maintain reserve funds in cash or in deposit with the Federal Reserve Bank. The required reserve at September 30, 2015 and 2014, was $5,212,000 and $7,860,000, respectively. Dividend Restrictions Federal banking laws, regulations, and policies limit the Bank’s ability to pay dividends to the Company. Dividends may be declared and paid by the Bank only out of net earnings for the then current year. A dividend may not be declared or paid if it would impair the general reserves of the Bank as required to be maintained under the Pennsylvania Banking.

Regulatory Capital Requirements

Regulatory Capital Requirements	12 Months Ended
	Sep. 30, 2015
Banking and Thrift [Abstract]
Regulatory Capital Requirements	15. REGULATORY CAPITAL REQUIREMENTS Federal regulations require the Bank and the Company to maintain certain minimum amounts of capital. Specifically, the Bank and the Company are required to maintain certain minimum dollar amounts and ratios of Total and Tier 1 capital to risk-weighted assets, of Tier 1 capital to average total assets, and common equity Tier 1 capital to risk-weighted assets. In addition to the capital requirements, the Federal Deposit Insurance Corporation Improvement Act (“FDICIA”) established five capital categories ranging from “well capitalized” to “critically undercapitalized.” Should any institution fail to meet the requirements to be considered “adequately capitalized,” it would become subject to a series of increasingly restrictive regulatory actions. Management believes that, as of September 30, 2015, the Bank met all capital adequacy requirements to which it is subject. In July of 2013 the respective U.S. federal banking agencies issued final rules implementing Basel III and the Dodd-Frank Act capital requirements to be fully-phased in on a global basis on January 1, 2019. The new regulations established a new tangible common equity capital requirement, increase the minimum requirement for the current Tier 1 risk-weighted asset (“RWA”) ratio, phase out certain kinds of tangibles treated as capital and certain types of instruments and change the risk weightings of certain assets used to determine requirement capital ratios. Provisions of the Dodd-Frank Act generally require these capital rules to apply to bank holding companies and their subsidiaries. The new common equity Tier 1 capital component requires capital of the highest quality-predominantly composed of retained earnings and common stock instruments. For community banks, such as ESSA Bank & Trust, a common equity Tier 1 capital ratio of 4.5% became effective on January 1, 2015. The new capital rules also increased the current minimum of Tier 1 capital ratio from 4.0% to 6.0% beginning on January 1, 2015. In addition, in order to make capital distributions and pay discretionary bonuses to executive officers without restriction, an institution must also maintain greater than 2.5% in common equity attributable to a capital conservation buffer to be phased in from January 1, 2016 until January 1, 2019. The new rules also increase the risk weights for several categories of assets, including an increase from 100% to 150% for certain acquisition, development and construction loans and more than 90-day past due exposures. The new capital rules maintain the general structure of the prompt corrective action rules, but incorporate the new common equity Tier 1 capital requirement and the increased Tier 1 RWA requirement into the prompt corrective action framework. Bank holding companies are generally subject to statutory capital requirements, which were implemented by certain of the new capital regulations described above that became effective on January 1, 2015. However, the Small Banking Holding Company Policy Statement exempts certain small bank holding companies like the Company from those requirements provided that they meet certain conditions. As of September 30, 2015 and 2014, the FDIC categorized the Bank and the Federal Reserve categorized the Company as well capitalized under the regulatory framework for prompt corrective action. To be classified as a well-capitalized financial institution, Total risk-based, Tier 1 risk-based and Tier 1 leverage capital must be at least 10 percent, 8 percent, and 5 percent, respectively. There have been no conditions or events since the notification that management believes have changed the Bank’s or the Company’s category. The following table reconciles the Bank’s capital under U.S. generally accepted accounting principles to regulatory capital (in thousands): 2015 2014 Total stockholders’ equity $ 167,112 $ 164,694 Accumulated other comprehensive loss 2,395 2,579 Goodwill and certain other intangible assets (11,005 ) (12,655 ) Disallowed servicing assets — (69 ) Tier I, common equity and core capital 158,502 154,549 Allowance for loan losses 8,971 8,218 Total risk-based capital $ 167,473 $ 162,767 The Bank’s actual capital ratios are presented in the following table (in thousands): 2015 2014 Amount Ratio Amount Ratio Total capital (to risk-weighted assets) Actual $ 167,473 16.3 % $ 162,767 16.9 % For capital adequacy purposes 81,956 8.0 76,898 8.0 To be well capitalized 102,445 10.0 96,123 10.0 Tier 1 capital (to risk-weighted assets) Actual $ 158,502 15.5 % $ 154,549 16.1 % For capital adequacy purposes 61,467 6.0 38,449 4.0 To be well capitalized 81,956 8.0 57,674 6.0 Common equity tier 1 capital (to risk-weighted assets) Actual $ 158,502 15.5 % $ n/a n/a % For capital adequacy purposes 46,100 4.5 n/a n/a To be well capitalized 66,589 6.5 n/a n/a Tier 1 capital (to adjusted assets) Actual $ 158,502 10.0 % $ 154,549 10.0 % For capital adequacy purposes 63,195 4.0 61,579 4.0 To be well capitalized 78,993 5.0 76,974 5.0 The Company’s ratios do not differ significantly from the Bank’s ratios presented above.

Fair Value Measurements

Fair Value Measurements	12 Months Ended
	Sep. 30, 2015
Fair Value Disclosures [Abstract]
Fair Value Measurements	16. FAIR VALUE MEASUREMENTS The following disclosures show the hierarchal disclosure framework associated within the level of pricing observations utilized in measuring assets and liabilities at fair value. The definition of fair value maintains the exchange price notion in earlier definitions of fair value but focuses on the exit price of the asset or liability. The exit price is the price that would be received to sell the asset or paid to transfer the liability adjusted for certain inherent risks and restrictions. The following table presents information about the Company’s securities, real estate owned, and impaired loans measured at fair value as of September 30, 2015 and 2014, and indicates the fair value hierarchy of the valuation techniques utilized by the Company to determine such fair value: September 30, 2015 Level I Level II Level III Total Assets measured at fair value on a recurring basis: Investment securities available for sale: Mortgage-backed securities $ — $ 237,007 $ — $ 237,007 Obligations of states and political subdivisions — 51,625 — 51,625 U.S. government agency securities — 46,186 — 46,186 Corporate obligations — 20,360 2,000 22,360 Trust-preferred securities — — 1,711 1,711 Other debt securities — 19,993 500 20,493 Equity securities - financial services 25 — — 25 Total securities 25 375,171 4,211 379,407 Assets measured at fair value on a nonrecurring basis: Foreclosed real estate owned — — 2,480 2,480 Impaired loans — — 32,303 32,303 Mortgage servicing rights — — 412 412 September 30, 2014 Level I Level II Level III Total Assets measured at fair value on a recurring basis: Investment securities available for sale: Mortgage-backed securities $ — $ 265,052 $ — $ 265,052 Obligations of states and political subdivisions — 42,771 — 42,771 U.S. government agency securities — 47,630 — 47,630 Corporate obligations — 13,328 — 13,328 Trust-preferred securities — 3,891 1,730 5,621 Other debt securities — 6,151 500 6,651 Equity securities - financial services 2,025 — — 2,025 Total securities 2,025 378,823 2,230 383,078 Assets measured at fair value on a nonrecurring basis: Foreclosed real estate owned — — 2,759 2,759 Impaired loans — — 36,497 36,497 Mortgage servicing rights — — 688 688 The following table presents a summary of changes in the fair value of the Company’s Level III investments for the years ended September 30, 2015 and 2014 (in thousands). Fair Value Measurement Using Significant Unobservable Inputs (Level III) September 30, 2015 September 30, 2014 Beginning balance $ 2,230 $ 1,800 Purchases, sales, issuances, settlements, net 2,000 — Total unrealized gain: Included in earnings — — Included in other comprehensive income (19 ) (57 ) Transfers in and/or out of Level III — 487 $ 4,211 $ 2,230 Financial assets and liabilities must be identified as having been valued according to a specified level of input, I, II, or III. Level I inputs are quoted prices (unadjusted) in active markets for identical assets or liabilities that the Company has the ability to access at the measurement date. Fair values determined by Level II inputs utilize inputs other than quoted prices included in Level I that are observable for the asset, either directly or indirectly. Level II inputs include quoted prices for similar assets in active markets, and inputs other than quoted prices that are observable for the asset or liability. Level III inputs are unobservable inputs for the asset, and include situations where there is little, if any, market activity for the asset or liability. In certain cases, the inputs used to measure fair value may fall into different levels of the fair value hierarchy. In such cases, the level in the fair value hierarchy, within which the fair value measurement in its entirety falls, has been determined based on the lowest level input that is significant to the fair value measurement in its entirety. The Company’s assessment of the significance of a particular input to the fair value measurement in its entirety requires judgment, and considers factors specific to the asset. The measurement of fair value should be consistent with one of the following valuation techniques: market approach, income approach, and/or cost approach. The market approach uses prices and other relevant information generated by market transactions involving identical or comparable assets or liabilities (including a business). For example, valuation techniques consistent with the market approach often use market multiples derived from a set of comparables. Multiples might lie in ranges with a different multiple for each comparable. The selection of where within the range the appropriate multiple falls requires judgment, considering factors specific to the measurement (qualitative and quantitative). Valuation techniques consistent with the market approach include matrix pricing. Matrix pricing is a mathematical technique used principally to value debt securities without relying exclusively on quoted prices for the specific securities, but rather by relying on a security’s relationship to other benchmark quoted securities. Most of the securities classified as available for sale are reported at fair value utilizing Level II inputs. For these securities, the Company obtains fair value measurements from an independent pricing service. The fair value measurements consider observable data that may include dealer quoted market spreads, cash flows, the U.S. Treasury yield curve, live trading levels, trade execution data, market consensus prepayment speeds, credit information and the bond’s terms and conditions, among other things. Securities reported at fair value utilizing Level I inputs are limited to actively traded equity securities whose market price is readily available from the New York Stock Exchange or the NASDAQ exchange. Foreclosed real estate is measured at fair value, less cost to sell at the date of foreclosure, valuations are periodically performed by management and the assets are carried at the lower of carrying amount or fair value, less cost to sell. Income and expenses from operations and changes in valuation allowance are included in the net expenses from foreclosed real estate. Impaired loans are reported at fair value utilizing level three inputs. For these loans, a review of the collateral is conducted and an appropriate allowance for loan losses is allocated to the loan. At September 30, 2015, 227 impaired loans with a carrying value of $32.9 million were reduced by specific valuation allowance totaling $568,000 resulting in a net fair value of $32.3 million based on Level III inputs. At September 30, 2014, 264 impaired loans with a carrying value of $37.0 million were reduced by specific valuation allowance totaling $468,000 resulting in a net fair value of $36.5 million based on Level III inputs. The following table presents additional quantitative information about assets measured at fair value on a nonrecurring basis and for which the Company has utilized Level III inputs to determine fair value: Quantitative Information About Level III Fair Value Measurements Fair Value Valuation Techniques Unobservable Input Range September 30, 2015 Impaired loans $ 32,303 Appraisal of collateral (1) Appraisal adjustments (2) 0% to 60% (22.3%) Foreclosed real estate owned 2,480 Appraisal of collateral (1), (3) Appraisal adjustments (2) 20% to 46% (21.3%) Mortgage servicing rights 412 Discounted cash flow Discount rate 6% to 11% Prepayment speeds 5% to 79% (17.9%) September 30, 2014 Impaired loans $ 36,497 Appraisal of collateral (1) Appraisal adjustments (2) 0% to 35% (23%) Foreclosed real estate owned 2,759 Appraisal of collateral (1), (3) Appraisal adjustments (2) 19% to 35% (21.2%) Mortgage servicing rights 688 Discounted cash flow Discount rate 6% to 11% (9.7%) Prepayment speeds 7% to 85% (18.5%) (1) Fair value is generally determined through independent appraisals of the underlying collateral, which generally include various Level III inputs which are not identifiable. (2) Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses. The range of liquidation expenses and other appraisal adjustments is presented as a percent of the appraisal. (3) Includes qualitative adjustments by management and estimated liquidation expenses. Investment Securities Available for Sale The fair value of securities available for sale are determined by obtaining quoted market prices on nationally recognized securities exchanges (Level 1), or matrix pricing (Level 2), which is a mathematical technique used widely in the industry to value debt securities without relying exclusively on quoted market prices for the specific securities but rather by relying on the securities’ relationship to other benchmark quoted prices. For certain securities which are not traded in active markets or are subject to transfer restrictions, valuations are adjusted to reflect illiquidity and/or non-transferability, and such adjustments are generally based on available market evidence (Level 3). In the absence of such evidence, management’s best estimate is used. Management’s best estimate consists of both internal and external support on certain Level 3 investments. Internal cash flow models using a present value formula that includes assumptions market participants would use along with indicative exit pricing obtained from broker/dealers (where available) are used to support fair values of certain Level 3 investments, if applicable. Impaired Loans The Company has measured impairment on impaired loans generally based on the fair value of the loan’s collateral. Evaluating impaired loan collateral is based on Level II inputs utilizing outside appraisals. Those impaired loans for which management incorporates significant adjustments for sales costs and other discount assumptions regarding market conditions are considered Level III fair values. The fair value consists of the loan balances of $32.9 million less their valuation allowances of $568,000 at September 30, 2015. The fair value consists of the loan balances of $37.0 million less their valuation allowances of $468,000 at September 30, 2014. Foreclosed Real Estate Owned Foreclosed real estate owned is measured at fair value, less cost to sell at the date of foreclosure; valuations are periodically performed by management; and the assets are carried at fair value, less cost to sell. Income and expenses from operations and changes in valuation allowance are included in the net expenses from foreclosed real estate.

Fair Value of Financial Instrum

Fair Value of Financial Instruments	12 Months Ended
	Sep. 30, 2015
Text Block [Abstract]
Fair Value of Financial Instruments	17. FAIR VALUE OF FINANCIAL INSTRUMENTS The fair values of the Company’s financial instruments are as follows (in thousands): September 30, 2015 Carrying Level I Level II Level III Total Financial assets: Cash and cash equivalents $ 18,758 $ 18,758 $ — $ — $ 18,758 Certificates of deposit 1,750 — — 1,774 1,774 Investment and mortgage-backed securities available for sale 379,407 25 375,171 4,211 379,407 Loans receivable, net 1,102,118 — — 1,123,436 1,123,436 Accrued interest receivable 5,068 5,068 — — 5,068 Regulatory stock 13,831 13,831 — — 13,831 Mortgage servicing rights 412 — — 412 412 Bank-owned life insurance 30,655 30,655 — — 30,655 Financial liabilities: Deposits $ 1,096,754 $ 500,427 $ — $ 600,250 $ 1,100,677 Short-term borrowings 91,339 91,339 — — 91,339 Other borrowings 229,101 — — 230,255 230,255 Advances by borrowers for taxes and insurance 4,273 4,273 — — 4,273 Accrued interest payable 866 866 — — 866 September 30, 2014 Carrying Level I Level II Level III Total Financial assets: Cash and cash equivalents $ 22,301 $ 22,301 $ — $ — $ 22,301 Certificates of deposit 1,767 — — 1,785 1,785 Investment and mortgage-backed securities available for sale 383,078 2,025 378,823 2,230 383,078 Loans receivable, net 1,058,267 — — 1,077,585 1,077,585 Accrued interest receivable 5,061 5,061 — — 5,061 Regulatory stock 14,284 14,284 — — 14,284 Mortgage servicing rights 688 — — 688 688 Bank-owned life insurance 29,720 29,720 — — 29,720 Financial liabilities: Deposits $ 1,133,889 $ 526,876 $ — $ 608,936 $ 1,135,812 Short-term borrowings 108,020 108,020 — — 108,020 Other borrowings 151,300 — — 151,617 151,617 Advances by borrowers for taxes and insurance 4,093 4,093 — — 4,093 Accrued interest payable 831 831 — — 831 Financial instruments are defined as cash, evidence of an ownership interest in an entity, or a contract which creates an obligation or right to receive or deliver cash or another financial instrument from/to a second entity on potentially favorable or unfavorable terms. Fair value is defined as the amount at which a financial instrument could be exchanged in a current transaction between willing parties other than in a forced or liquidation sale. If a quoted market price is available for a financial instrument, the fair value would be calculated based upon the market price per trading unit of the instrument. If no readily available market exists, the fair value for financial instruments should be based upon management’s judgment regarding current economic conditions, interest rate risk, expected cash flows, future estimated losses, and other factors as determined through various option pricing formulas or simulation modeling. As many of these assumptions result from judgments made by management based upon estimates which are inherently uncertain, the resulting values may not be indicative of the amount realizable in the sale of a particular financial instrument. In addition, changes in the assumptions on which the values are based may have a significant impact on the resulting estimated values. As certain assets and liabilities, such as deferred tax assets, premises and equipment, and many other operational elements of the Company, are not considered financial instruments but have value, this fair value of financial instruments would not represent the full market value of the Company. The Company employed simulation modeling in determining the fair value of financial instruments for which quoted market prices were not available based upon the following assumptions: Cash and Cash Equivalents, Accrued Interest Receivable, Short-Term Borrowings, Advances by Borrowers for Taxes and Insurance, and Accrued Interest Payable The fair value approximates the current book value. Bank-Owned Life Insurance The fair value is equal to the cash surrender value of the bank-owned life insurance. Investment and Mortgage-Backed Securities Available for Sale and Regulatory Stock The fair value of investment and mortgage-backed securities available for sale is equal to the available quoted market price. If no quoted market price is available, fair value is estimated using the quoted market price for similar securities. Since the regulatory stock is not actively traded on a secondary market and held exclusively by member financial institutions, the fair market value approximates the carrying amount. Certificates of Deposit, Loans Receivable, Deposits, Other Borrowings, and Mortgage Servicing Rights The fair values for loans and mortgage servicing rights are estimated by discounting contractual cash flows and adjusting for prepayment estimates. Discount rates are based upon rates generally charged for such loans with similar characteristics. Demand, savings, and money market deposit accounts are valued at the amount payable on demand as of year-end. Fair values for certificates of deposit, time deposits, and other borrowings are estimated using a discounted cash flow calculation that applies contractual costs currently being offered in the existing portfolio to current market rates being offered for deposits and borrowings of similar remaining maturities. Commitments to Extend Credit These financial instruments are generally not subject to sale, and fair values are not readily available. The carrying value, represented by the net deferred fee arising from the unrecognized commitment, and the fair value, determined by discounting the remaining contractual fee over the term of the commitment using fees currently charged to enter into similar agreements with similar credit risk, are not considered material for disclosure. The contractual amounts of unfunded commitments are presented in Note 11.

Subsequent Events

Subsequent Events	12 Months Ended
	Sep. 30, 2015
Subsequent Events [Abstract]
Subsequent Events	18. SUBSEQUENT EVENTS Acquisition of Eagle National Bancorp, Inc. On July 29, 2015, ESSA and Eagle National Bancorp, Inc. (“Eagle”) issued a press release announcing the signing of an Agreement and Plan of Merger (the “Merger Agreement”) by and among ESSA and Eagle pursuant to which ESSA will acquire Eagle and its wholly-owned subsidiary, Eagle National Bank. Under the terms of the Merger Agreement, ESSA has agreed to pay $5.80 in cash for each of the 4,250,820 outstanding Eagle common shares. The aggregate cash consideration to be paid by ESSA in respect of the outstanding Eagle common shares and the cash-out of outstanding Eagle stock options is approximately $24.7 million. It is anticipated that Eagle National Bank will be merged with and into ESSA upon completion of the transaction. At that time, Eagle National’s banking offices located in Chester and Delaware counties will become branches of ESSA. As of September 30, 2015, Eagle and ESSA had total consolidated assets of $1.8 billion, total loans of $1.2 billion and total deposits of $1.3 billion. ESSA has received regulatory approval of the merger from the Federal Deposit Insurance Corporation and the Pennsylvania Department of Banking and Securities and the shareholders of Eagle have also approved the merger. The transaction closed at the close of business of December 4, 2015. Management is still in the process of determining the fair value adjustments that will be applied as part of the business combination accounting. As such, neither the selected pro forma balance sheet information nor the selected pro forma income statement information presented as follows includes the impact of fair value adjustments. ESSA Bancorp, Inc. and Eagle National Bancorp, Inc. Pro Forma Selected Balance Sheet Items (unaudited) September 30, 2015 September 30, 2014 ASSETS Cash and due from financial institutions $ 11,530 $ 27,278 Securities available for sale 418,814 416,251 Loans, net of allowance 1,227,591 1,187,475 Premises and equipment, net 17,191 17,790 LIABILITIES Total deposits 1,254,275 1,297,996 Federal Home Loan Bank advances 320,440 259,320 Securities sold under agreements to repurchase 1,052 1,605 SHAREHOLDERS’ EQUITY Total shareholders’ equity 171,280 167,309 The following table presents financial information regarding the former Franklin Security Bancorp, Inc. (see Note 22) and Eagle National Bancorp, Inc. The table has been prepared for comparative purposes only and is not necessarily indicative of actual results that would have been attained had the acquisition occurred as of the beginning of the periods presented, nor is it indicative of future results. ESSA Bancorp, Inc., Eagle National Bancorp, Inc. and Franklin Security Bancorp, Inc. Pro Forma Condensed Income Statement (unaudited) September 30, 2015 September 30, 2014 Net interest income $ 50,238 $ 49,734 Total noninterest income 8,628 8,298 Net income $ 9,804 $ 7,706 Earnings per share, basic $ 0.94 $ 0.71 Earnings per share, diluted $ 0.93 $ 0.71

Accumulated Other Comprehensive

Accumulated Other Comprehensive Income (Loss)	12 Months Ended
	Sep. 30, 2015
Equity [Abstract]
Accumulated Other Comprehensive Income (Loss)	19. ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) The activity in accumulated other comprehensive income (loss) for the years ended September 30, 2015 and 2014, is as follows (in thousands): Accumulated Other Comprehensive Income (Loss) (1) Defined Unrealized Total Balance at September 30, 2014 $ (3,228 ) $ 649 $ (2,579 ) Other comprehensive income before reclassifications — 2,799 2,799 Amounts reclassified from accumulated other comprehensive loss (2,097 ) (518 ) (2,615 ) Period change (2,097 ) 2,281 184 Balance at September 30, 2015 $ (5,325 ) $ 2,930 $ (2,395 ) Balance at September 30, 2013 $ (1,306 ) $ 71 $ (1,235 ) Other comprehensive income before reclassifications — 798 798 Amounts reclassified from accumulated other comprehensive loss (1,922 ) (220 ) (2,142 ) Period change (1,922 ) 578 (1,344 ) Balance at September 30, 2014 $ (3,228 ) $ 649 $ (2,579 ) (1) All amounts are net of tax. Related income tax expense or benefit is calculated using an income tax rate approximating 34%. Details About Accumulated Other Comprehensive Loss Amount Reclassified from (3) Affected Line Item (in thousands) 2015 2014 Securities available for sale (1) Net securities gains reclassified into earnings $ 786 $ 333 Gain on sale of investments, net Related income tax expense (268 ) (113 ) Income taxes Net effect on accumulated other comprehensive loss for the period 518 220 Net of tax Defined benefit pension plan (2) Amortization of net (loss) gain and prior service costs 3,177 2,912 Compensation and employee Related income tax expense (1,080 ) (990 ) Income taxes Net effect on accumulated other comprehensive loss for the period 2,097 1,922 Net of tax Total reclassifications for the period $ 2,615 $ 2,142 Net of tax (1) For additional details related to unrealized gains on securities and related amounts reclassified from accumulated other comprehensive loss see Note 3, “Investment Securities.” (2) Included in the computation of net periodic pension cost. See Note 13, “Employee Benefits” for additional detail. (3) Amounts in parenthesis indicate debits.

Parent Company

Parent Company	12 Months Ended
	Sep. 30, 2015
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Parent Company	20. PARENT COMPANY Condensed financial statements of ESSA Bancorp, Inc. are as follows (in thousands): CONDENSED BALANCE SHEET September 30, 2015 2014 ASSETS Cash and due from banks $ 2,258 $ 758 Certificates of deposit — 17 Investment securities available for sale 25 25 Investment in subsidiary 167,112 164,694 Premises and equipment, net 1,144 1,127 Other assets 801 784 TOTAL ASSETS $ 171,340 $ 167,405 LIABILITIES AND STOCKHOLDERS’ EQUITY Other liabilities $ 60 $ 96 Stockholders’ equity 171,280 167,309 TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY $ 171,340 $ 167,405 CONDENSED STATEMENT OF INCOME Year Ended September 30, 2015 2014 2013 INCOME Interest income $ 376 $ 381 $ 408 Net gains on sale of investments — — 30 Dividends 8,000 27,000 15,000 Total income 8,376 27,381 15,438 EXPENSES Professional fees 755 1,091 505 Other 64 453 527 Total expenses 819 1,544 1,032 Income before income tax expense 7,557 25,837 14,406 Income tax benefit (118 ) (905 ) — Income before equity in undistributed net earnings of subsidiary 7,675 26,742 14,406 Equity in undistributed net earnings of subsidiary 2,116 (18,238 ) (5,583 ) NET INCOME $ 9,791 $ 8,504 $ 8,823 COMPREHENSIVE INCOME $ 9,975 $ 7,160 $ 5,830 CONDENSED STATEMENT OF CASH FLOWS Year Ended September 30, 2015 2014 2013 OPERATING ACTIVITIES Net income $ 9,791 $ 8,504 $ 8,823 Adjustments to reconcile net income to net cash provided by operating activities: Equity in undistributed net earnings of subsidiary (2,116 ) 18,238 5,583 Provision for depreciation 24 — — Net gains on sale of investments — — (30 ) (Decrease) increase in accrued income taxes 40 (888 ) (12 ) Decrease in accrued interest receivable 8 8 8 Deferred federal income taxes (3 ) 1,480 (29 ) Other, net 458 (634 ) 798 Net cash provided by operating activities 8,202 26,708 15,141 INVESTING ACTIVITIES Certificate of deposit maturities 17 — — Business acquisitions — (15,174 ) — Purchase of premises, equipment and software (41 ) — — Proceeds from principal repayment, maturities, and sales — — 1,200 Net cash provided by (used for) investing activities (24 ) (15,174 ) 1,200 FINANCING ACTIVITIES Repayment of trust-preferred debt — (6,955 ) — Purchase of treasury stock shares (3,132 ) (4,216 ) (14,501 ) Dividends on common stock (3,546 ) (2,800 ) (2,295 ) Net cash used for financing activities (6,678 ) (13,971 ) (16,796 ) Increase (decrease) in cash 1,500 (2,437 ) (455 ) CASH AT BEGINNING OF YEAR 758 3,195 3,650 CASH AT END OF YEAR $ 2,258 $ 758 $ 3,195

Selected Quarterly Data (Unaudi

Selected Quarterly Data (Unaudited)	12 Months Ended
	Sep. 30, 2015
Quarterly Financial Information Disclosure [Abstract]
Selected Quarterly Data (Unaudited)	21. SELECTED QUARTERLY DATA (UNAUDITED) Three Months Ended December 31, March 31, June 30, September 30, Total interest income $ 13,708 $ 13,580 $ 13,568 $ 13,323 Total interest expense 2,658 2,578 2,557 2,597 Net interest income 11,050 11,002 11,011 10,726 Provision for loan losses 450 525 525 575 Net interest income after provision for loan losses 10,600 10,477 10,486 10,151 Total noninterest income 1,814 1,901 1,948 2,233 Total noninterest expense 8,966 9,098 9,359 9,442 Income before income taxes 3,448 3,280 3,075 2,942 Income taxes expense 852 848 618 636 Net income $ 2,596 $ 2,432 $ 2,457 $ 2,306 Per share data: Net income Basic $ 0.25 $ 0.23 $ 0.24 $ 0.22 Diluted $ 0.25 $ 0.23 $ 0.23 $ 0.22 Average shares outstanding Basic 10,516,097 10,442,310 10,431,461 10,426,195 Diluted 10,516,097 10,521,147 10,565,123 10,550,243 Three Months Ended December 31, March 31, June 30, September 30, Total interest income $ 12,182 $ 11,523 $ 13,785 $ 13,286 Total interest expense 2,691 2,585 2,688 2,663 Net interest income 9,491 8,938 11,097 10,623 Provision for loan losses 750 750 500 350 Net interest income after provision for loan losses 8,741 8,188 10,597 10,273 Total noninterest income 1,627 1,752 2,100 1,929 Total noninterest expense 7,748 7,884 9,095 9,085 Income before income taxes 2,620 2,056 3,602 3,117 Income taxes benefit 616 554 976 745 Net income $ 2,004 $ 1,502 $ 2,626 $ 2,372 Per share data: Net income Basic $ 0.18 $ 0.14 $ 0.24 $ 0.22 Diluted $ 0.18 $ 0.14 $ 0.24 $ 0.22 Average shares outstanding Basic 10,890,156 10,859,519 10,837,592 10,672,848 Diluted 10,906,229 10,859,703 10,837,592 10,687,163

Acquisitions

Acquisitions	12 Months Ended
	Sep. 30, 2015
Business Combinations [Abstract]
Acquisitions	22. ACQUISITIONS Acquisition of FNCB Branch On January 24, 2014, the Company closed on a purchase transaction to acquire a branch facility, customer deposits, and loans of First National Community Bank (“FNCB”), the subsidiary of First National Community Bancorp, Inc., in a cash transaction. The acquired branch is located in the Monroe County, Pennsylvania market. Under the terms of the agreement, the Company acquired all of the branch facilities, customer deposits and loans of FNCB and received net cash of $4.6 million. The acquired assets and assumed liabilities were measured at fair values. Management made significant estimates and exercised significant judgment in accounting for the acquisition. Management measured loan fair values based on loan file reviews (including borrower financial statements or tax returns), appraised collateral values, expected cash flows and historical loss factors of FNCB. Real estate acquired through foreclosure was primarily valued based on appraised collateral values. The business combination resulted in the acquisition of loans without evidence of credit quality deterioration. FNCB’s loans were fair valued by discounting both expected principal and interest cash flows using an observable discount rate for similar instruments that a market participant would consider in determining fair value. Additionally, consideration was given to management’s best estimates of default rates and payment speeds. At acquisition, FNCB’s loan portfolio without evidence of deterioration totaled $1.0 million and was recorded at a fair value of $1.0 million. Total purchase price $ 4,640 Net cash acquired: Cash $ 11 Loans receivable and accrued interest receivable 1,033 Premises and equipment, net 1,626 Certificates of deposits (3,069 ) Deposits other than certificates of deposits (5,683 ) (6,082 ) Goodwill resulting from FNCB purchase $ 1,442 Supplemental pro forma financial information related to the FNCB acquisition has not been provided as it would be impracticable to do so. Historical financial information regarding the acquired branch is not accessible and, thus, the amounts would require estimates so significant as to render the disclosure irrelevant. Acquisition of Franklin Security Bancorp, Inc. On April 4, 2014, the Company closed on a merger transaction to acquire Franklin Security Bancorp, Inc., the parent company of Franklin Security Bank, in a cash transaction. Under the terms of the merger agreement, the Company acquired all of the outstanding shares of Franklin Security Bancorp, Inc. for a total cash purchase price of approximately $15.7 million. Franklin Security Bank has been merged into ESSA Bank & Trust, with ESSA Bank & Trust as the surviving entity. The acquisition added two branch locations in the Scranton/Wilkes-Barre, Pennsylvania, market, establishing the Company’s presence in that market. The acquired assets and assumed liabilities were measured at fair values. Management made significant estimates and exercised significant judgment in accounting for the acquisition. Management measured loan fair values based on loan file reviews (including borrower financial statements or tax returns), appraised collateral values, expected cash flows, and historical loss factors of Franklin Security Bank. Real estate acquired through foreclosure was primarily valued based on appraised collateral values. The Company also recorded an identifiable intangible asset representing the core deposit base of Franklin Security Bank based on management’s evaluation of the cost of such deposits relative to alternative funding sources. Management used market quotations to measure the fair value of investment securities and FHLB advances. The business combination resulted in the acquisition of loans without evidence of credit quality deterioration. At the acquisition date, the Company determined that there were no purchased impaired loans. The method of measuring carrying value of purchased loans differs from loans originated by the Company (originated loans), and as such, the Company identifies purchased loans and purchased loans with a credit quality discount and originated loans at amortized cost. Franklin Security Bank’s loans without evidence of credit deterioration were measured to fair value by discounting both expected principal and interest cash flows using an observable discount rate for similar instruments that a market participant would consider in determining fair value. Additionally, consideration was given to management’s best estimates of default rates and payment speeds. At acquisition, Franklin Security Bank’s loan portfolio without evidence of deterioration totaled $155.3 million and was recorded at a fair value of $152.2 million. The following condensed statement reflects the values assigned to Franklin Security Bancorp, Inc.’s net assets as of the acquisition date: Total purchase price $ 15,698 Net assets acquired: Cash $ (19,825 ) Investments available for sale 55,901 Loans receivable 152,188 Regulatory stock 1,569 Premises and equipment, net 176 Foreclosed real estate 436 Intangible assets 889 Deferred tax assets 1,031 Other assets 2,504 Certificates of deposits (90,869 ) Deposits other than certificates of deposits (71,317 ) Borrowings (30,177 ) Other liabilities (2,265 ) Gain resulting from Franklin Security Bancorp, Inc. acquisition $ 241

Summary of Significant Accoun31

Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Sep. 30, 2015
Accounting Policies [Abstract]
Nature of Operations and Basis of Presentation	Nature of Operations and Basis of Presentation The consolidated financial statements include the accounts of ESSA Bancorp, Inc. (the “Company”), its wholly owned subsidiary, ESSA Bank & Trust (the “Bank”), and the Bank’s wholly owned subsidiaries, ESSACOR Inc.; Pocono Investments Company; ESSA Advisory Services, LLC; Integrated Financial Corporation; and Integrated Abstract Incorporated, a wholly owned subsidiary of Integrated Financial Corporation. The primary purpose of the Company is to act as a holding company for the Bank. On November 6, 2014, the Company converted its status from a savings and loan holding company to a bank holding company. Earlier in the year, the Bank converted from a Pennsylvania-chartered savings association to a Pennsylvania-chartered savings bank. The Bank’s primary business consists of the taking of deposits and granting of loans to customers generally in Monroe, Northampton, Lehigh, Lackawanna, and Luzerne counties, Pennsylvania. The Bank is subject to regulation and supervision by the Pennsylvania Department of Banking and Securities and the Federal Deposit Insurance Corporation. The investment in subsidiary on the parent company’s financial statements is carried at the parent company’s equity in the underlying net assets. ESSACOR, Inc. is a Pennsylvania corporation that has been used to purchase properties at tax sales that represent collateral for delinquent loans of the Bank. Pocono Investment Company is a Delaware corporation formed as an investment company subsidiary to hold and manage certain investments, including certain intellectual property. ESSA Advisory Services, LLC is a Pennsylvania limited liability company owned 100 percent by ESSA Bank & Trust. ESSA Advisory Services, LLC is a full-service insurance benefits consulting company offering group services such as health insurance, life insurance, short-term and long-term disability, dental, vision, and 401(k) retirement planning as well as individual health products. Integrated Financial Corporation is a Pennsylvania Corporation that provided investment advisory services to the general public and is currently inactive. Integrated Abstract Incorporated is a Pennsylvania Corporation that provided title insurance services and is currently inactive. All significant intercompany accounts and transactions have been eliminated in consolidation.
Use of Estimates in the Preparation of Financial Statements	Use of Estimates in the Preparation of Financial Statements The accounting principles followed by the Company and its subsidiary and the methods of applying these principles conform to U.S. generally accepted accounting principles and to general practice within the banking industry. In preparing the consolidated financial statements, the Company is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the Consolidated Balance Sheet date and related revenues and expenses for the period. Actual results could differ significantly from those estimates.
Securities	Securities The Company determines the appropriate classification of debt securities at the time of purchase and reevaluates such designation as of each balance sheet date. Securities classified as available for sale are those securities that the Company intends to hold for an indefinite period of time but not necessarily to maturity. Any decision to sell a security classified as available for sale would be based on various factors, including significant movement in interest rates, changes in maturity mix of the Company’s assets and liabilities, liquidity needs, regulatory capital considerations, and other similar factors. Securities available for sale are carried at fair value. Unrealized gains and losses are reported in other comprehensive income, net of the related deferred tax effects. Realized gains or losses, determined on the basis of the cost of the specific securities sold, are included in earnings. Premiums and discounts are recognized in interest income using the interest method over the period to maturity. Declines in the fair value of available-for-sale securities below their cost that are deemed to be other than temporary are reflected in earnings as realized losses. In estimating other-than-temporary impairment losses, the Company considers: (1) the length of time and the extent to which the fair value has been less than cost; (2) the financial condition and near-term prospects of the issuer; and (3) the Company’s intent to sell the security or whether it’s more likely than not that the Company would be required to sell the security before its anticipated recovery in market value.
Loans Receivable	Loans Receivable Loans receivable that the Company has the intent and ability to hold for the foreseeable future or until maturity or payoff are stated at their outstanding unpaid principal balances, net of an allowance for loan losses and any deferred fees and costs. Interest income is accrued on the unpaid principal balance. Loan origination fees, net of certain direct origination costs, are deferred and recognized as an adjustment of the yield (interest income) of the related loans. The Company is generally amortizing these amounts over the contractual life of the loan. The accrual of interest is generally discontinued when the contractual payment of principal or interest has become 90 days past due or the Company has serious doubts about further collectability of principal or interest, even though the loan is currently performing. A loan may remain on accrual status if it is in the process of collection and is either guaranteed or well secured. When a loan is placed on nonaccrual status, unpaid interest credited to income is reversed. Interest received on nonaccrual loans generally is either applied against principal or reported as interest income, according to the Company’s judgment as to the collectability of principal. Generally, loans are restored to accrual status when the obligation is brought current and has performed in accordance with the contractual terms for a reasonable period of time and the ultimate collectability of the total contractual principal and interest is no longer in doubt.
Loans Acquired	Loans Acquired Loans acquired including loans that have evidence of deterioration of credit quality since origination and for which it is probable, at acquisition, that the Company will be unable to collect all contractually required payments receivable, are initially recorded at fair value (as determined by the present value of expected future cash flows) with no valuation allowance. Loans are evaluated individually to determine if there is evidence of deterioration of credit quality since origination. The difference between the undiscounted cash flows expected at acquisition and the investment in the loan, or the “accretable yield,” is recognized as interest income on a level-yield method over the life of the loan. Contractually required payments for interest and principal that exceed the undiscounted cash flows expected at acquisition, or the “non-accretable difference,” are not recognized as a yield adjustment or as a loss accrual or a valuation allowance. Increases in expected cash flows subsequent to the initial investment are recognized prospectively through adjustment of the yield on the loan over its remaining estimated life. Decreases in expected cash flows are recognized immediately as impairment. Any valuation allowances on these impaired loans reflect only losses incurred after acquisition. For purchased loans acquired that are not deemed impaired at acquisition, credit discounts representing the principal losses expected over the life of the loan are a component of the initial fair value. Loans are aggregated and accounted for as a pool of loans if the loans being aggregated have common risk characteristics. Subsequent to the purchase date, the methods utilized to estimate the required allowance for credit losses for these loans is similar to originated loans; however, the Company records a provision for loan losses only when the required allowance exceeds any remaining credit discounts. The remaining differences between the purchase price and the unpaid principal balance at the date of acquisition are recorded in interest income over the life of the loans.
Allowance for Loan Losses	Allowance for Loan Losses The allowance for loan losses is established through provisions for loan losses charged against income. Loans deemed to be uncollectible are charged against the allowance for loan losses, and subsequent recoveries, if any, are credited to the allowance. The allowance for loan losses is maintained at a level by management which represents the evaluation of known and inherent risks in the loan portfolio at the consolidated balance sheet date. Management’s periodic evaluation of the adequacy of the allowance is based on the Company’s past loan loss experience, known and inherent risks in the portfolio, adverse situations that may affect the borrower’s ability to repay, the estimated value of any underlying collateral, composition of the loan portfolio, current economic conditions, and other relevant factors. This evaluation is inherently subjective, since it requires material estimates that may be susceptible to significant change, including the amounts and timing of future cash flows expected to be received on impaired loans. The allowance consists of specific and general components. The specific component relates to loans that are classified as impaired. For such loans an allowance is established when the discounted cash flows (or collateral value or observable market price) of the impaired loan is lower than the carrying value of that loan. The general component covers nonclassified loans and is based on historical loss experience adjusted for qualitative factors. All loans are considered impaired when, based on current information and events, it is probable that the Company will be unable to collect the scheduled payments of principal or interest when due according to the contractual terms of the loan agreement and all loan types are considered impaired if the loan is restructured in a troubled debt restructuring. Factors considered by management in determining impairment include payment status, collateral value, and the probability of collecting scheduled principal and interest payments when due. Loans that experience insignificant payment delays and payment shortfalls generally are not classified as impaired. Management determines the significance of payment delays and payment shortfalls on a case-by-case basis, taking into consideration all of the circumstances surrounding the loan and the borrower, including the length of the delay, the reasons for the delay, the borrower’s prior payment record, and the amount of the shortfall in relation to the principal and interest owed. Impairment is measured on a loan-by-loan basis for commercial and construction loans by the present value of expected future cash flows discounted at the loan’s effective interest rate, the loan’s obtainable market price, or the fair value of the collateral if the loan is collateral-dependent. Large groups of smaller-balance homogeneous loans are collectively evaluated for impairment. Accordingly, the Company does not separately identify individual consumer and residential mortgage loans for impairment disclosures unless such loans are part of a larger relationship that is impaired or classified as a troubled debt restructuring or is more than 180 days past due. A loan is considered to be a troubled debt restructuring (“TDR”) loan when the Company grants a concession to the borrower because of the borrower’s financial condition that it would not otherwise consider. Such concessions include the reduction of interest rates, forgiveness of principal or interest, or other modifications of interest rates that are less than the current market rate for new obligations with similar risk. TDR loans that are in compliance with their modified terms and that yield a market rate may be removed from the TDR status after one year of performance.
Regulatory Stock	Regulatory Stock Regulatory stock consists of Federal Home Loan Bank (“FHLB”) of Pittsburgh stock and Atlantic Central Bankers Bank stock. Regulatory stocks are carried at cost. The Company is a member of the Federal Home Loan Bank System and holds stock in the Federal Home Loan Bank of Pittsburgh. As a member, the Company maintains an investment in the capital stock of the FHLB of Pittsburgh in an amount not less than 10 basis points of the outstanding member asset value plus 4.0 percent of its outstanding FHLB borrowings, as calculated throughout the year. The equity security is accounted for at cost and classified separately on the Consolidated Balance Sheet. The stock is bought from and sold to the FHLB based upon its $100 par value. The stock does not have a readily determinable fair value and as such is classified as restricted stock, carried at cost and evaluated by management. The stock’s value is determined by the ultimate recoverability of the par value rather than by recognizing temporary declines. The determination of whether the par value will ultimately be recovered is influenced by criteria such as the following: (a) The significance of the decline in net assets of the FHLB as compared to the capital stock amount and the length of time this situation has persisted; (b) commitments by the FHLB to make payments required by law or regulation and the level of such payments in relation to the operating performance; (c) the impact of legislative and regulatory changes on the customer base of the FHLB; and (d) the liquidity position of the FHLB. With consideration given to these factors, management concluded that the stock was not impaired at September 30, 2015.
Loan Servicing	Loan Servicing Servicing assets are recognized as separate assets when rights are acquired through purchase or through sale of financial assets. Capitalized servicing rights are reported in other assets and are amortized into noninterest income in proportion to, and over the period of, the estimated future net servicing income of the underlying financial assets. Servicing assets are evaluated for impairment based upon a third-party appraisal. Fair value is determined using prices for similar assets with similar characteristics, when available, or based upon discounted cash flows using market-based assumptions. Impairment is recognized through a valuation allowance to the extent that fair value is less than the capitalized amount. The Company’s loan servicing assets at September 30, 2015 and 2014, were not impaired. Total servicing assets included in other assets as of September 30, 2015 and 2014, were $412,000 and $688,000, respectively.
Premises and Equipment	Premises and Equipment Land is carried at cost. Premises and equipment are stated at cost less accumulated depreciation. Depreciation is calculated using the straight-line method over the useful lives of the related assets, which range from 10 to 40 years for buildings, land improvements, and leasehold improvements and 3 to 7 years for furniture, fixtures, and equipment. Expenditures for maintenance and repairs are charged to operations as incurred. Costs of major additions and improvements are capitalized.
Bank-Owned Life Insurance ("BOLI")	Bank-Owned Life Insurance (“BOLI”) The Company owns insurance on the lives of a certain group of key employees. The policies were purchased to help offset the increase in the costs of various fringe benefit plans, including healthcare. The cash surrender value of these policies is included as an asset on the Consolidated Balance Sheet, and any increase in cash surrender value is recorded as noninterest income on the Consolidated Statement of Income. In the event of the death of an insured individual under these policies, the Company would receive a death benefit which would be recorded as noninterest income.
Foreclosed Real Estate	Foreclosed Real Estate Real estate owned acquired in settlement of foreclosed loans is carried at fair value minus estimated costs to sell. At acquisition of real estate acquired in settlement of foreclosed loans, the excess of the remaining loan balance over the asset’s estimated fair value less cost to sell is charged off against the allowance for loan losses. Subsequent declines in the asset’s value are recognized as noninterest expense in the Consolidated Statement of Income. Operating expenses of such properties, net of related income, are expensed in the period incurred.
Goodwill and Intangible Assets	Goodwill and Intangible Assets Goodwill is not amortized, but it is tested at least annually for impairment in the fourth quarter, or more frequently if indicators of impairment are present. If the estimated current fair value of a reporting unit exceeds its carrying value, no additional testing is required and an impairment loss is not recorded. The Company uses market capitalization and multiples of tangible book value methods to determine the estimated current fair value of its reporting unit. Based on this analysis, no impairment was recorded in 2015 or 2014. The other intangible assets are assigned useful lives, which are amortized on an accelerated basis over their weighted-average lives. The Company periodically reviews intangible assets for impairment as events or changes in circumstances indicate that the carrying amount of such asset may not be recoverable. Based on these reviews, no impairment was recorded in 2015 and 2014. The following tables provide information for the carrying amount of goodwill and intangible assets. Goodwill 2015 2014 Balance at beginning of year $ 10,259 $ 8,817 Goodwill acquired — 1,442 Balance at end of year $ 10,259 $ 10,259 Intangible assets 2015 2014 Balance at beginning of year $ 2,396 $ 2,466 Intangible assets acquired — 889 Amortization (637 ) (959 ) Balance at end of year $ 1,759 $ 2,396 Amortizable intangible assets were composed of the following: September 30, 2015 2014 Gross Carrying Accumulated (dollars in thousands) Customer data $ 3,297 $ 1,628 $ 1,145 Employment obligations 1,620 1,530 1,376 $ 4,917 $ 3,158 $ 2,521 2015 2014 Aggregate amortization expense: As of the years ended September 30 $ 637 $ 959 Estimated future amortization expense: 2016 $ 510,000 2017 369,000 2018 262,000 2019 146,000 2020 139,000 2021 136,000 2022 109,000 2023 58,000 2024 30,000 $ 1,759,000
Employee Benefit Plans	Employee Benefit Plans The Bank maintains a noncontributory, defined benefit pension plan for all employees who have met age and length of service requirements. The Bank also maintains a defined contribution Section 401(k) plan covering eligible employees. The Company created an ESOP for the benefit of employees who meet certain eligibility requirements. The Company makes cash contributions to the ESOP on an annual basis. The Company maintains an equity incentive plan to provide for issuance or granting of shares of common stock for stock options or restricted stock. The Company has recorded stock-based employee compensation cost using the fair value method as allowed under generally accepted accounting principles. Management estimated the fair values of all option grants using the Black-Scholes option-pricing model. Management estimated the expected life of the options using the simplified method as allowed under generally accepted accounting principles. The risk-free rate was determined utilizing the treasury yield for the expected life of the option contract.
Advertising Costs	Advertising Costs In accordance with generally accepted accounting principles, the Company expenses all advertising expenditures incurred.
Transfers of Financial Assets	Transfers of Financial Assets Transfers of financial assets are accounted for as sales when control over the assets has been surrendered. Control over transferred assets is deemed to be surrendered when (1) the assets have been isolated from the Company; (2) the transferee obtains the right (free of conditions that constrain it from taking advantage of that right) to pledge or exchange the transferred assets; and (3) the Company does not maintain effective control over the transferred assets through an agreement to repurchase them before their maturity.
Income Taxes	Income Taxes Deferred tax assets and liabilities are reflected based on the differences between the financial statement and the income tax basis of assets and liabilities using the enacted marginal tax rates. Deferred income tax expense and benefit are based on the changes in the deferred tax assets or liabilities from period to period. Deferred tax assets and liabilities are reflected at currently enacted income tax rates applicable to the period in which such items are expected to be realized or settled. As changes in tax rates are enacted, deferred tax assets and liabilities are adjusted through the provision for income taxes. The Company files a consolidated federal income tax return and individual state income tax returns. The Company prescribes a recognition threshold and a measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. Benefits from tax positions should be recognized in the financial statements only when it is more likely than not that the tax position will be sustained upon examination by the appropriate taxing authority that would have full knowledge of all relevant information. A tax position that meets the more-likely-than-not recognition threshold is measured at the largest amount of benefit that is greater than 50 percent likely of being realized upon ultimate settlement. Tax positions that previously failed to meet the more-likely-than-not recognition threshold should be recognized in the first subsequent financial reporting period in which that threshold is met. Previously recognized tax positions that no longer meet the more-likely-than-not recognition threshold should be derecognized in the first subsequent financial reporting period in which that threshold is no longer met. Accounting literature also provides guidance on the accounting for and disclosure of unrecognized tax benefits, interest, and penalties. In accordance with generally accepted accounting principles, interest or penalties incurred for income taxes will be recorded as a component of other expenses.
Cash and Cash Equivalents	Cash and Cash Equivalents The Company has defined cash and cash equivalents as cash and due from banks and interest-bearing deposits with other institutions with original maturities of less than 90 days.
Earnings Per Share	Earnings Per Share The Company provides dual presentation of basic and diluted earnings per share. Basic earnings per share are calculated utilizing net income as reported as the numerator and average shares outstanding as the denominator. The computation of diluted earnings per share differs in that the dilutive effects of any options are adjusted for in the denominator.
Comprehensive Income (Loss)	Comprehensive Income (Loss) The Company is required to present comprehensive income (loss) and its components in a full set of general-purpose financial statements for all periods presented. Other comprehensive income (loss) is composed of net unrealized holding gains or losses on its available-for-sale investment and mortgage-backed securities portfolio, as well as changes in unrecognized pension cost. The components of accumulated other comprehensive income (loss), net of tax, as of year-end were as follows: 2015 2014 2013 Net unrealized gain on securities available for sale $ 2,930 $ 649 $ 71 Net unrecognized pension cost (5,325 ) (3,228 ) (1,306 ) Total $ (2,395 ) $ (2,579 ) $ (1,235 )
Fair Value Measurements	Fair Value Measurements We group our assets at fair value in three levels, based on the markets in which the assets are traded and the reliability of the assumptions used to determine fair value. These levels are: • Level I – Valuation is based upon quoted prices for identical instruments traded in active markets. • Level II – Valuation is based upon quoted prices for similar instruments in active markets, quoted prices for identical or similar instruments in markets that are not active, and model-based valuation techniques for which all significant assumptions are observable in the market. • Level III – Valuation is generated from model-based techniques that use significant assumptions not observable in the market. These unobservable assumptions reflect the Company’s own estimates of assumptions that market participants would use in pricing the asset. We base our fair values on the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. It is our policy to maximize the use of observable inputs and minimize the use of unobservable inputs when developing fair value measurements, in accordance with the fair value hierarchy in generally accepted accounting principles. Fair value measurements for most of our assets are obtained from independent pricing services that we have engaged for this purpose. When available, we, or our independent pricing service, use quoted market prices to measure fair value. If market prices are not available, fair value measurement is based upon models that incorporate available trade, bid, and other market information. Subsequently, all of our financial instruments use either of the foregoing methodologies to determine fair value adjustments recorded to our financial statements. In certain cases, however, when market observable inputs for model-based valuation techniques may not be readily available, we are required to make judgments about assumptions market participants would use in estimating the fair value of financial instruments. The degree of management judgment involved in determining the fair value of a financial instrument is dependent upon the availability of quoted market prices or observable market parameters. For financial instruments that trade actively and have quoted market prices or observable market parameters, there is minimal subjectivity involved in measuring fair value. When observable market prices and parameters are not fully available, management judgment is necessary to estimate fair value. In addition, changes in the market conditions may reduce the availability of quoted prices or observable data. When market data is not available, we use valuation techniques requiring more management judgment to estimate the appropriate fair value measurement. Therefore, the results cannot be determined with precision and may not be realized in an actual sale or immediate settlement of the asset. Additionally, there may be inherent weaknesses in any calculation technique, and changes in the underlying assumptions used, including discount rates and estimates of future cash flows, that could significantly affect the results of current or future valuations.
Reclassification of Comparative Amounts	Reclassification of Comparative Amounts Certain items previously reported have been reclassified to conform to the current year’s reporting format. Such reclassifications did not affect consolidated net income or consolidated stockholders’ equity.
Recent Accounting Pronouncements	Recent Accounting Pronouncements In January 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2014-01, Investments – Equity Method and Joint Ventures (Topic 323): Accounting for Investments in Qualified Affordable Housing Projects. In January 2014, the FASB issued ASU 2014-04, Receivables – Troubled Debt Restructurings by Creditors (Subtopic 310-40): Reclassification of Residential Real Estate Collateralized Consumer Mortgage Loans upon Foreclosure. . In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers In June 2014, the FASB issued ASU 2014-11, Transfers and Servicing (Topic 860): Repurchase-to-Maturity Transactions, Repurchase Financings, and Disclosures In June 2014, the FASB issued ASU 2014-12, Compensation-Stock Compensation (Topic 718): Accounting for Share-Based Payments when the Terms of an Award Provide that a Performance Target Could Be Achieved After the Requisite Service Period In August 2014, the FASB issued ASU 2014-14, Receivables – Troubled Debt Restructurings by Creditors (Subtopic 310-40) In August 2014, the FASB issued ASU 2014-15, Presentation of Financial Statements -Going Concern (Subtopic In November 2014, the FASB issued ASU 2014-16, Derivatives and Hedging (Topic 815): Determining Whether the Host Contract in a Hybrid Financial Instrument Issued in the Form of a Share Is More Akin to Debt or to Equity (a consensus of the FASB Emerging Issues Task Force). In January 2015, the FASB issued ASU 2015-01, Income Statement –Extraordinary and Unusual Items, In February 2015, the FASB issued ASU 2015-02, Consolidation (Topic 810) In April 2015, the FASB issued ASU 2015-03, Interest-Imputation of Interest (Subtopic 835-30) In April 2015, the FASB issued ASU 2015-04, Compensation-Retirement Benefits (Topic 715), In April 2015, the FASB issued ASU 2015-05, Intangible – Goodwill and Other Internal Use Software (Topic 350-40) In May 2015, the FASB issued ASU 2015-08 , Business Combinations - Pushdown Accounting - Amendment to SEC Paragraphs Pursuant to Staff Accounting Bulletin No. 115 In May 2015, the FASB issued ASU 2015-09, Financial Services-Insurance (Topic 944) - Disclosure about Short-Duration Contracts Financial Services-Insurance In June 2015, the FASB issued ASU 2015-10, Technical Corrections and Improvements In August 2015, the FASB issued ASU 2015-14, Revenue from Contracts with Customers In August 2015, the FASB issued ASU 2015-15, Interest – Imputation of Interest (Subtopic 835-30): Presentation And Subsequent Measurement of Debt Issuance Costs Associated with Line-of-Credit Arrangements - Amendments to SEC Paragraphs Pursuant to Staff Announcement at June 18, 2015 EITF Meeting In September 2015, the FASB issued ASU 2015-16, Business Combinations (Topic 805).

Summary of Significant Accoun32

Summary of Significant Accounting Policies (Tables)	12 Months Ended
	Sep. 30, 2015
Accounting Policies [Abstract]
Carrying Amount of Goodwill and Intangible Assets	The following tables provide information for the carrying amount of goodwill and intangible assets. Goodwill 2015 2014 Balance at beginning of year $ 10,259 $ 8,817 Goodwill acquired — 1,442 Balance at end of year $ 10,259 $ 10,259 Intangible assets 2015 2014 Balance at beginning of year $ 2,396 $ 2,466 Intangible assets acquired — 889 Amortization (637 ) (959 ) Balance at end of year $ 1,759 $ 2,396
Amortizable Intangible Assets	Amortizable intangible assets were composed of the following: September 30, 2015 2014 Gross Carrying Accumulated (dollars in thousands) Customer data $ 3,297 $ 1,628 $ 1,145 Employment obligations 1,620 1,530 1,376 $ 4,917 $ 3,158 $ 2,521 2015 2014 Aggregate amortization expense: As of the years ended September 30 $ 637 $ 959
Estimated Future Amortization Expense	Estimated future amortization expense: 2016 $ 510,000 2017 369,000 2018 262,000 2019 146,000 2020 139,000 2021 136,000 2022 109,000 2023 58,000 2024 30,000 $ 1,759,000

Accumulated Other Comprehensi33

Accumulated Other Comprehensive Income (Loss) (Tables)	12 Months Ended
	Sep. 30, 2015
Activity in Accumulated Other Comprehensive Income (Loss)	The components of accumulated other comprehensive income (loss), net of tax, as of year-end were as follows: 2015 2014 2013 Net unrealized gain on securities available for sale $ 2,930 $ 649 $ 71 Net unrecognized pension cost (5,325 ) (3,228 ) (1,306 ) Total $ (2,395 ) $ (2,579 ) $ (1,235 )
Reclassification Out of Accumulated Other Comprehensive Income (Loss) [Member]
Activity in Accumulated Other Comprehensive Income (Loss)	The activity in accumulated other comprehensive income (loss) for the years ended September 30, 2015 and 2014, is as follows (in thousands): Accumulated Other Comprehensive Income (Loss) (1) Defined Unrealized Total Balance at September 30, 2014 $ (3,228 ) $ 649 $ (2,579 ) Other comprehensive income before reclassifications — 2,799 2,799 Amounts reclassified from accumulated other comprehensive loss (2,097 ) (518 ) (2,615 ) Period change (2,097 ) 2,281 184 Balance at September 30, 2015 $ (5,325 ) $ 2,930 $ (2,395 ) Balance at September 30, 2013 $ (1,306 ) $ 71 $ (1,235 ) Other comprehensive income before reclassifications — 798 798 Amounts reclassified from accumulated other comprehensive loss (1,922 ) (220 ) (2,142 ) Period change (1,922 ) 578 (1,344 ) Balance at September 30, 2014 $ (3,228 ) $ 649 $ (2,579 ) (1) All amounts are net of tax. Related income tax expense or benefit is calculated using an income tax rate approximating 34%. Details About Accumulated Other Comprehensive Loss Amount Reclassified from (3) Affected Line Item (in thousands) 2015 2014 Securities available for sale (1) Net securities gains reclassified into earnings $ 786 $ 333 Gain on sale of investments, net Related income tax expense (268 ) (113 ) Income taxes Net effect on accumulated other comprehensive loss for the period 518 220 Net of tax Defined benefit pension plan (2) Amortization of net (loss) gain and prior service costs 3,177 2,912 Compensation and employee Related income tax expense (1,080 ) (990 ) Income taxes Net effect on accumulated other comprehensive loss for the period 2,097 1,922 Net of tax Total reclassifications for the period $ 2,615 $ 2,142 Net of tax (1) For additional details related to unrealized gains on securities and related amounts reclassified from accumulated other comprehensive loss see Note 3, “Investment Securities.” (2) Included in the computation of net periodic pension cost. See Note 13, “Employee Benefits” for additional detail. (3) Amounts in parenthesis indicate debits.

Earnings Per Share (Tables)

Earnings Per Share (Tables)	12 Months Ended
	Sep. 30, 2015
Earnings Per Share [Abstract]
Composition of the Weighted-Average Common Shares (Denominator) Used in the Basic and Diluted Earnings Per Share Computation	The following table sets forth the composition of the weighted-average common shares (denominator) used in the basic and diluted earnings per share computation for the years ended September 30, 2015, 2014, and 2013. 2015 2014 2013 Weighted-average common shares outstanding 18,133,095 18,133,095 18,133,095 Average treasury stock shares (6,682,911 ) (6,284,870 ) (5,475,194 ) Average unearned ESOP shares (973,168 ) (1,018,444 ) (1,063,720 ) Average unearned nonvested shares (22,560 ) (12,351 ) (34,627 ) Weighted-average common shares and common stock equivalents used to calculate basic earnings per share 10,454,456 10,817,430 11,559,554 Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share 9,787 3,485 — Additional common stock equivalents (stock options) used to calculate diluted earnings per share 78,887 — — Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share 10,543,130 10,820,915 11,559,554

Investment Securities (Tables)

Investment Securities (Tables)	12 Months Ended
	Sep. 30, 2015
Investments, Debt and Equity Securities [Abstract]
Summary of Amortized Cost and Fair Value of Investment Securities Available for Sale	The amortized cost and fair value of investment securities available for sale are summarized as follows (in thousands): 2015 Amortized Gross Gross Fair Available for sale Fannie Mae $ 130,476 $ 2,052 $ (541 ) $ 131,987 Freddie Mac 88,514 1,063 (286 ) 89,291 Governmental National Mortgage Association securities 13,201 103 (52 ) 13,252 Other mortgage-backed securities 2,494 — (17 ) 2,477 Total mortgage-backed securities 234,685 3,218 (896 ) 237,007 Obligations of states and political subdivisions 50,094 1,676 (145 ) 51,625 U.S. government agency securities 45,799 399 (12 ) 46,186 Corporate obligations 22,440 157 (237 ) 22,360 Trust-preferred securities 1,613 98 — 1,711 Other debt securities 20,313 216 (36 ) 20,493 Total debt securities 374,944 5,764 (1,326 ) 379,382 Equity securities - financial services 25 — — 25 Total $ 374,969 $ 5,764 $ (1,326 ) $ 379,407 2014 Amortized Gross Gross Fair Available for sale Fannie Mae $ 144,291 $ 1,327 $ (1,550 ) $ 144,068 Freddie Mac 99,556 548 (1,277 ) 98,827 Governmental National Mortgage Association securities 19,446 92 (161 ) 19,377 Other mortgage-backed securities 2,795 — (15 ) 2,780 Total mortgage-backed securities 266,088 1,967 (3,003 ) 265,052 Obligations of states and political subdivisions 41,375 1,654 (258 ) 42,771 U.S. government agency securities 47,821 192 (383 ) 47,630 Corporate obligations 13,140 236 (48 ) 13,328 Trust-preferred securities 5,027 594 — 5,621 Other debt securities 6,618 51 (18 ) 6,651 Total debt securities 380,069 4,694 (3,710 ) 381,053 Equity securities - financial services 2,025 — — 2,025 Total $ 382,094 $ 4,694 $ (3,710 ) $ 383,078
Schedule of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity	The amortized cost and fair value of debt securities at September 30, 2015, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties (in thousands): Available for Sale Amortized Fair Due in one year or less $ 6,504 $ 6,519 Due after one year through five years 53,267 53,908 Due after five years through ten years 61,402 62,288 Due after ten years 253,771 256,667 Total $ 374,944 $ 379,382

Unrealized Losses on Securiti36

Unrealized Losses on Securities (Tables)	12 Months Ended
	Sep. 30, 2015
Text Block [Abstract]
Schedule of Gross Unrealized Losses and Fair Value	The following table shows the Company’s gross unrealized losses and fair value, aggregated by investment category and length of time that the individual securities have been in a continuous unrealized loss position (in thousands): 2015 Less than Twelve Months Twelve Months or Greater Total Number Fair Gross Fair Gross Fair Gross Fannie Mae 22 $ 7,238 $ (28 ) $ 23,609 $ (513 ) $ 30,847 $ (541 ) Freddie Mac 12 1,487 (1 ) 15,477 (285 ) 16,964 (286 ) Governmental National Mortgage Association securities 2 — — 2,209 (52 ) 2,209 (52 ) Other mortgage-backed securities 3 — — 2,477 (17 ) 2,477 (17 ) Obligations of states and political subdivisions 14 9,184 (57 ) 4,667 (88 ) 13,851 (145 ) U.S. government agency securities 3 3,246 (12 ) — — 3,246 (12 ) Corporate obligations 10 9,263 (207 ) 970 (30 ) 10,233 (237 ) Other debt securities 6 5,232 (26 ) 1,748 (10 ) 6,980 (36 ) Total 72 $ 35,650 $ (331 ) $ 51,157 $ (995 ) $ 86,807 $ (1,326 ) 2014 Less than Twelve Months Twelve Months or Greater Total Number Fair Gross Fair Gross Fair Gross Fannie Mae 39 $ 34,377 $ (164 ) $ 33,249 $ (1,386 ) $ 67,626 $ (1,550 ) Freddie Mac 36 38,210 (216 ) 29,269 (1,061 ) 67,479 (1,277 ) Governmental National Mortgage Association securities 5 4,127 (22 ) 2,981 (139 ) 7,108 (161 ) Other mortgage-backed securities 3 — — 2,780 (15 ) 2,780 (15 ) Obligations of states and political subdivisions 5 — — 7,207 (258 ) 7,207 (258 ) U.S. government agency securities 11 8,004 (25 ) 18,629 (358 ) 26,633 (383 ) Corporate obligations 5 3,142 (32 ) 1,130 (16 ) 4,272 (48 ) Other debt securities 2 1,980 (18 ) — — 1,980 (18 ) Total 106 $ 89,840 $ (477 ) $ 95,245 $ (3,233 ) $ 185,085 $ (3,710 )

Loans Receivable (Tables)

Loans Receivable (Tables)	12 Months Ended
	Sep. 30, 2015
Receivables [Abstract]
Summary of Loans Receivable	Loans receivable consist of the following (in thousands): 2015 2014 Real estate loans: Residential $ 610,582 $ 654,152 Construction 878 1,367 Commercial 200,004 190,536 Commercial 34,314 25,807 Obligations of states and political subdivisions 59,820 49,177 Home equity loans and lines of credit 39,903 41,387 Auto loans 162,193 100,571 Other 3,343 3,904 1,111,037 1,066,901 Less allowance for loan losses 8,919 8,634 Net loans $ 1,102,118 $ 1,058,267
Changes in Accretable Yield for Purchased Credit-Impaired Loans	Changes in the accretable yield for purchased credit-impaired loans were as follows, since acquisition, for the periods ended September 30, 2015 and 2014. September 30, 2015 September 30, 2014 Balance at beginning of period $ 170 $ — Reclassification and other 228 872 Accretion (140 ) (702 ) Balance at end of period $ 258 $ 170
Summary of Additional Information Regarding Loans Acquired and Accounted	The following table presents additional information regarding loans acquired and accounted for in accordance with ASC 310-30 (in thousands): September 30, 2015 September 30, 2014 Acquired Loans with Specific Acquired Loans with Specific Outstanding balance $ 4,779 $ 6,177 Carrying amount 4,162 5,097
Summary of Impaired Loans	Impaired loans for the years ended September 30 are summarized as follows (in thousands): 2015 2014 2013 Impaired loans with a related allowance $ 2,772 $ 3,318 $ 6,160 Impaired loans without a related allowance 30,099 33,647 31,066 Related allowance for loan losses 568 468 819 Average recorded balance of impaired loans 34,539 37,345 37,386 Interest income recognized 1,207 1,234 860
Schedule of Loans Evaluated for Impairment	The following table shows the amount of loans in each category that was individually and collectively evaluated for impairment at the dates indicated (in thousands): Total Individually Loans Collectively September 30, 2015 Real estate loans: Residential $ 610,582 $ 11,985 $ — $ 598,597 Construction 878 — — 878 Commercial 200,004 15,100 4,108 180,796 Commercial 34,314 204 54 34,056 Obligations of states and political subdivisions 59,820 — — 59,820 Home equity loans and lines of credit 39,903 795 — 39,108 Auto Loans 162,193 625 — 161,568 Other 3,343 — — 3,343 Total $ 1,111,037 $ 28,709 $ 4,162 $ 1,078,166 Total Individually Loans Collectively September 30, 2014 Real estate loans: Residential $ 654,152 $ 13,528 $ 110 $ 640,514 Construction 1,367 — — 1,367 Commercial 190,536 17,517 4,727 168,292 Commercial 25,807 456 263 25,088 Obligations of states and political subdivisions 49,177 — — 49,177 Home equity loans and lines of credit 41,387 266 (3 ) 41,124 Auto Loans 100,571 101 — 100,470 Other 3,904 — — 3,904 Total $ 1,066,901 $ 31,868 $ 5,097 $ 1,029,936
Schedule of Investment and Unpaid Principal Balances for Impaired Loans	The following table includes the recorded investment and unpaid principal balances for impaired loans with the associated allowance amount, if applicable. Also presented are the average recorded investments in the impaired loans and the related amount of interest recognized during the time within the period that the impaired loans were impaired (in thousands). Recorded Unpaid Associated Average Interest September 30, 2015 With no specific allowance recorded: Real estate loans: Residential $ 9,552 $ 11,521 $ — $ 10,105 $ 274 Construction — — — — — Commercial 19,208 20,167 — 20,425 851 Commercial 258 270 — 480 10 Obligations of states and political subdivisions — — — — — Home equity loans and lines of credit 731 743 — 379 7 Auto loans 350 464 — 102 3 Other — — — — — Subtotal 30,099 33,165 — 31,491 1,145 With an allowance recorded: Real estate loans: Residential 2,433 2,639 373 2,624 52 Construction — — — — — Commercial — — — 281 — Commercial — — — — — Obligations of states and political subdivisions — — — — — Home equity loans and lines of credit 64 93 64 43 — Auto loans 275 275 131 100 10 Other — — — — — Subtotal 2,772 3,007 568 3,048 62 Total: Real estate loans: Residential 11,985 14,160 373 12,729 326 Construction — — — — — Commercial 19,208 20,167 — 20,706 851 Commercial 258 270 — 480 10 Obligations of states and political subdivisions — — — — — Home equity loans and lines of credit 795 836 64 422 7 Auto loans 625 739 131 202 13 Other — — — — — Total $ 32,871 $ 36,172 $ 568 $ 34,539 $ 1,207 Recorded Unpaid Associated Average Interest September 30, 2014 With no specific allowance recorded: Real estate loans: Residential $ 11,030 $ 13,225 $ — $ 9,687 $ 311 Construction — — — — — Commercial 21,587 22,428 — 20,200 726 Commercial 719 777 — 2,146 92 Obligations of states and political subdivisions — — — — — Home equity loans and lines of credit 210 377 — 260 7 Auto loans 101 101 — 99 — Other — — — — — Subtotal 33,647 36,908 — 32,392 1,136 With an allowance recorded: Real estate loans: Residential 2,608 2,997 334 3,330 98 Construction — — — — — Commercial 657 677 84 1,598 — Commercial — — — — — Obligations of states and political subdivisions — — — — — Home equity loans and lines of credit 53 76 50 25 — Auto loans — — — — — Other — — — — — Subtotal 3,318 3,750 468 4,953 98 Total: Real estate loans: Residential 13,638 16,222 334 13,017 409 Construction — — — — — Commercial 22,244 23,105 84 21,798 726 Commercial 719 777 — 2,146 92 Obligations of states and political subdivisions — — — — — Home equity loans and lines of credit 263 453 50 285 7 Auto loans 101 101 — 99 — Other — — — — — Total $ 36,965 $ 40,658 $ 468 $ 37,345 $ 1,234
Classes of the Loan Portfolio, Internal Risk Rating System	The following table presents the classes of the loan portfolio summarized by the aggregate Pass and the criticized categories of Special Mention, Substandard, and Doubtful within the internal risk rating system as of September 30, 2015 and 2014 (in thousands): Pass Special Substandard Doubtful Total September 30, 2015 Commercial real estate loans $ 174,516 $ 4,521 $ 20,967 $ — $ 200,004 Commercial 33,801 — 513 — 34,314 Obligations of states and political subdivisions 59,820 — — — 59,820 Total $ 268,137 $ 4,521 $ 21,480 $ — $ 294,138 Pass Special Substandard Doubtful Total September 30, 2014 Commercial real estate loans $ 160,749 $ 8,020 $ 21,469 $ 298 $ 190,536 Commercial 24,874 345 588 — 25,807 Obligations of states and political subdivisions 49,177 — — — 49,177 Total $ 234,800 $ 8,365 $ 22,057 $ 298 $ 265,520
Schedule of Performing or Nonperforming Loans	The following table presents the recorded investment in the loan classes based on payment activity as of September 30, 2015 and 2014 (in thousands): Performing Nonperforming Total September 30, 2015 Real estate loans: Residential $ 600,810 $ 9,772 $ 610,582 Construction 878 — 878 Home equity loans and lines of credit 39,213 690 39,903 Auto Loans 161,827 366 162,193 Other 3,322 21 3,343 Total $ 806,050 $ 10,849 $ 816,899 Performing Nonperforming Total September 30, 2014 Real estate loans: Residential $ 644,374 $ 9,778 $ 654,152 Construction 1,367 — 1,367 Home equity loans and lines of credit 41,128 259 41,387 Auto Loans 100,571 — 100,571 Other 3,884 20 3,904 Total $ 791,324 $ 10,057 $ 801,381
Classes of the Loan Portfolio Summarized by the Aging Categories	The following table presents the classes of the loan portfolio summarized by the aging categories of performing loans and nonaccrual loans as of September 30, 2015 and 2014 (in thousands): Current 31-60 61-90 Greater than Non- Total Total September 30, 2015 Real estate loans: Residential $ 598,190 $ 1,575 $ 1,045 $ — $ 9,772 $ 12,392 $ 610,582 Construction 878 — — — — — 878 Commercial 190,440 137 587 — 8,840 9,564 200,004 Commercial 33,545 346 7 — 416 769 34,314 Obligations of states and political subdivisions 59,820 — — — — — 59,820 Home equity loans and lines of credit 39,136 32 45 — 690 767 39,903 Auto loans 160,272 1,375 180 — 366 1,921 162,193 Other 3,295 27 — — 21 48 3,343 Total $ 1,085,576 $ 3,492 $ 1,864 $ — $ 20,105 $ 25,461 $ 1,111,037 Current 31-60 61-90 Greater than Non- Total Total September 30, 2014 Real estate loans: Residential $ 640,583 $ 2,398 $ 1,393 $ — $ 9,778 $ 13,569 $ 654,152 Construction 1,367 — — — — — 1,367 Commercial 179,319 516 89 — 10,612 11,217 190,536 Commercial 24,424 110 30 — 1,243 1,383 25,807 Obligations of states and political subdivisions 49,159 18 — — — 18 49,177 Home equity loans and lines of credit 40,870 225 33 — 259 517 41,387 Auto loans 100,112 426 33 — — 459 100,571 Other 3,884 — — — 20 20 3,904 Total $ 1,039,718 $ 3,693 $ 1,578 $ — $ 21,912 $ 27,183 $ 1,066,901
Summary of Primary Segments of ALL	The following table summarizes the primary segments of the ALL, segregated into the amount required for loans individually evaluated for impairment and the amount required for loans collectively evaluated for impairment as of September 30, 2015, 2014 and 2013 (in thousands): Real Obligations of Home Equity Residential Construction Commercial Commercial Subdivisions Credit Auto Other Unallocated Total ALL balance at September 30, 2012 $ 5,401 $ 29 $ 699 $ 474 $ 127 $ 499 $ — $ 22 $ 51 $ 7,302 Charge-offs (2,401 ) — (403 ) — — (243 ) — (6 ) — (3,053 ) Recoveries 50 — 2 — — 13 — — — 65 Provision 2,737 (9 ) 648 (137 ) 3 161 — 5 342 3,750 ALL balance at September 30, 2013 $ 5,787 $ 20 $ 946 $ 337 $ 130 $ 430 $ — $ 21 $ 393 $ 8,064 ALL balance at September 30, 2013 $ 5,787 $ 20 $ 946 $ 337 $ 130 $ 430 $ — $ 21 $ 393 $ 8,064 Charge-offs (1,709 ) — (120 ) (101 ) — (145 ) — (3 ) — (2,078 ) Recoveries 163 — 94 20 — 18 — 3 — 298 Provision 1,332 (9 ) (257 ) 272 33 167 459 11 342 2,350 ALL balance at September 30, 2014 $ 5,573 $ 11 $ 663 $ 528 $ 163 $ 470 $ 459 $ 32 $ 735 $ 8,634 ALL balance at September 30, 2014 $ 5,573 $ 11 $ 663 $ 528 $ 163 $ 470 $ 459 $ 32 $ 735 $ 8,634 Charge-offs (1,359 ) — (65 ) (30 ) — (27 ) (596 ) (6 ) — (2,083 ) Recoveries 76 — 84 23 — 15 87 8 — 293 Provision 850 (4 ) (11 ) 172 26 3 1,620 (7 ) (574 ) 2,075 ALL balance at September 30, 2015 $ 5,140 $ 7 $ 671 $ 693 $ 189 $ 461 $ 1,570 $ 27 $ 161 $ 8,919 Individually evaluated for impairment $ 373 $ — $ — $ — $ — $ 64 $ 131 $ — $ — $ 568 Collectively evaluated for impairment 4,767 7 671 693 189 397 1,439 27 161 8,351 ALL balance at September 30, 2015 $ 5,140 $ 7 $ 671 $ 693 $ 189 $ 461 $ 1,570 $ 27 $ 161 $ 8,919 Individually evaluated for impairment $ 334 $ — $ 84 $ — $ — $ 50 $ — $ — $ — $ 468 Collectively evaluated for impairment 5,239 11 579 528 163 420 459 32 735 8,166 ALL balance at September 30, 2014 $ 5,573 $ 11 $ 663 $ 528 $ 163 $ 470 $ 459 $ 32 $ 735 $ 8,634
Summary of Troubled Debt Restructuring Granted	The following is a summary of troubled debt restructurings granted during the periods indicated (in thousands). For the Year Ended September 30, 2015 Number of Pre-Modification Post-Modification Troubled debt restructurings Real estate loans: Residential 14 $ 2,775 $ 2,775 Construction — — — Commercial — — — Commercial — — — Obligations of states and political subdivisions — — — Home equity loans and lines of credit 2 175 175 Auto loans — — — Other — — — Total 16 $ 2,950 $ 2,950 For the Year Ended September 30, 2014 Number of Pre-Modification Post-Modification Troubled debt restructurings Real estate loans: Residential 9 $ 1,366 $ 1,366 Construction — — — Commercial 3 487 487 Commercial 1 279 279 Obligations of states and political subdivisions — — — Home equity loans and lines of credit — — — Auto loans — — — Other — — — Total 13 $ 2,132 $ 2,132

Premises and Equipment (Tables)

Premises and Equipment (Tables)	12 Months Ended
	Sep. 30, 2015
Property, Plant and Equipment [Abstract]
Composition of Premises and Equipment	Premises and equipment consist of the following (in thousands): 2015 2014 Land and land improvements $ 6,167 $ 6,167 Buildings and leasehold improvements 16,047 15,646 Furniture, fixtures, and equipment 10,402 10,005 Construction in process 14 85 32,630 31,903 Less accumulated depreciation (16,077 ) (14,946 ) Total $ 16,553 $ 16,957

Deposits (Tables)

Deposits (Tables)	12 Months Ended
	Sep. 30, 2015
Banking and Thrift [Abstract]
Schedule of Deposits and Respective Weighted-Average Interest Rates by Major Classifications	Deposits and their respective weighted-average interest rates consist of the following major classifications (in thousands): 2015 2014 Weighted- Amount Weighted- Amount Noninterest-bearing demand accounts — % $ 98,514 — % $ 70,048 Interest bearing demand accounts 0.09 110,268 0.07 163,936 Money market accounts 0.23 162,418 0.23 170,158 Savings and club accounts 0.05 129,227 0.05 122,734 Certificates of deposit 1.11 596,327 1.25 607,013 Total 0.65 % $ 1,096,754 0.72 % $ 1,133,889 2015 2014 Weighted- Amount Weighted- Amount Certificates of deposit: 0.00 - 2.00% 0.98 % $ 541,503 0.97 % $ 503,905 2.01 - 4.00% 2.36 54,824 2.63 103,108 Total 1.11 % $ 596,327 1.25 % $ 607,013
Scheduled Maturities of Certificates of Deposit	At September 30 scheduled maturities of certificates of deposit are as follows (in thousands): Within three months $ 104,181 Three through six months 69,371 Six through twelve months 108,892 Over twelve months 313,883 Total $ 596,327
Scheduled Maturities of Certificates of Deposit in Denominations	The scheduled maturities of certificates of deposit in denominations of $100,000 or more as of September 30, 2015, are as follows (in thousands): Within three months $ 25,951 Three through six months 14,580 Six through twelve months 23,703 Over twelve months 101,013 Total $ 165,247
Summary of Interest Expense on Deposits	A summary of interest expense on deposits for the years ended September 30 is as follows (in thousands): 2015 2014 2013 Interest bearing demand accounts $ 103 $ 76 $ 51 Money market accounts 465 315 327 Savings and club accounts 62 61 51 Certificates of deposits 6,795 7,455 6,979 Total $ 7,425 $ 7,907 $ 7,408

Short-Term Borrowings (Tables)

Short-Term Borrowings (Tables)	12 Months Ended
	Sep. 30, 2015
Debt Disclosure [Abstract]
Schedule of Short-Term Borrowings	The following table sets forth information concerning short-term borrowings (in thousands): 2015 2014 Balance at year-end $ 91,339 $ 108,020 Maximum amount outstanding at any month-end 132,533 108,020 Average balance outstanding during the year 115,006 55,204 Weighted-average interest rate: As of year-end 0.40 % 0.33 % Paid during the year 0.37 % 0.33 %

Other Borrowings (Tables)

Other Borrowings (Tables)	12 Months Ended
	Sep. 30, 2015
Debt Disclosure [Abstract]
Contractual Maturities of FHLB Long-Term Advances	The following table presents contractual maturities of FHLB long-term advances (in thousands): Maturity Range Weighted- Stated Interest Rate Ranged Description From To Interest Rate From To 2015 2014 Convertible 12/5/2018 12/5/2018 3.30 % 3.30 % 3.30 % $ 5,000 $ 5,000 Fixed rate 11/5/2015 9/21/2020 1.58 0.63 2.85 119,951 116,300 Mid-term 10/30/2015 9/10/2018 0.81 0.45 1.27 104,150 30,000 Total $ 229,101 $ 151,300
Maturities of FHLB Long-Term Advances	Maturities of FHLB long-term advances are summarized as follows (in thousands): Year Ending September 30, Amount Weighted- 2016 $ 67,800 0.94 % 2017 76,030 1.05 2018 42,575 1.45 2019 34,050 2.03 2020 8,646 1.81 Total $ 229,101 1.27 %

Income Taxes (Tables)

Income Taxes (Tables)	12 Months Ended
	Sep. 30, 2015
Income Tax Disclosure [Abstract]
Schedule of Provision for Income Taxes	The provision for income taxes consists of (in thousands): 2015 2014 2013 Current: Federal $ 2,154 $ 1,505 $ 1,646 State 16 — — Total current taxes 2,170 1,505 1,646 Deferred income tax benefit 784 1,386 1,188 Total income tax provision $ 2,954 $ 2,891 $ 2,834
Schedule of Changes in Significant Portions of the Deferred Tax Assets and Deferred Tax Liabilities	The tax effects of deductible and taxable temporary differences that gave rise to significant portions of the deferred tax assets and deferred tax liabilities are as follows (in thousands): 2015 2014 Deferred tax assets: Allowance for loan losses $ 3,032 $ 2,936 Employee benefit plan 2,743 1,663 Investment losses subject to Section 382 limitation 4,637 4,910 Purchase accounting adjustment 604 1,423 Other 4,093 3,964 Total gross deferred tax assets 15,109 14,896 Deferred tax liabilities: Pension plan 1,184 1,254 Net unrealized gain on securities 1,509 335 Mortgage servicing rights 104 119 Premises and equipment 273 258 Other 890 903 Total gross deferred tax liabilities 3,960 2,869 Net deferred tax assets $ 11,149 $ 12,027
Schedule of Reconciliation of the Federal Statutory Rate and the Effective Income Tax Rate	The reconciliation of the federal statutory rate and the Company’s effective income tax rate is as follows (in thousands): 2015 2014 2013 Amount % of Amount % of Amount % of Provision at statutory rate $ 4,333 34.0 % $ 3,874 34.0 % $ 3,963 34.0 % Income from bank-owned life insurance (318 ) (2.5 ) (314 ) (2.8 ) (322 ) (2.8 ) Tax-exempt income (752 ) (5.9 ) (536 ) (4.7 ) (388 ) (3.3 ) Low-income housing credits (254 ) (2.0 ) (140 ) (1.2 ) (289 ) (2.5 ) Nondeductible merger expenses 21 0.2 — — — — Other, net (76 ) (0.6 ) 7 0.1 (130 ) (1.1 ) Actual tax expense and effective rate $ 2,954 23.2 % $ 2,891 25.4 % $ 2,834 24.3 %

Commitments (Tables)

Commitments (Tables)	12 Months Ended
	Sep. 30, 2015
Commitments and Contingencies Disclosure [Abstract]
Components of Off Balance Sheet Commitments	The off-balance sheet commitments consist of the following (in thousands): 2015 2014 Commitments to extend credit $ 37,238 $ 40,615 Standby letters of credit 3,231 7,521 Unfunded lines of credit 43,820 44,039

Lease Commitments and Total R44

Lease Commitments and Total Rental Expense (Tables)	12 Months Ended
	Sep. 30, 2015
Text Block [Abstract]
Future Minimum Lease Payments By Year and in the Aggregate	Future minimum lease payments by year and in the aggregate, under noncancellable operating leases with initial or remaining terms of one year or more, consisted of the following at September 30, 2015 (in thousands): 2016 $ 607 2017 478 2018 376 2019 332 2020 336 2021 and beyond 1,273 Total $ 3,402

Employee Benefits (Tables)

Employee Benefits (Tables)	12 Months Ended
	Sep. 30, 2015
Postemployment Benefits [Abstract]
Components of the ESOP Shares	The following table presents the components of the ESOP shares: 2015 2014 Allocated shares 328,573 292,428 Shares committed to be released 33,962 33,962 Unreleased shares 962,251 1,007,533 Total ESOP shares 1,324,786 1,333,923 Fair value of unreleased shares (in thousands) $ 12,471 $ 11,385
Schedule of Stock Option Activity	The following is a summary of the Company’s stock option activity and related information for its option plan for the year ended September 30, 2015. Number of Weighted- Weighted- Aggregate Outstanding, September 30, 2014 1,443,379 $ 12.35 3.67 $ — Granted — — — — Exercised (5,000 ) 12.35 2.67 — Forfeited (123,799 ) 12.35 2.67 — Outstanding, September 30, 2015 1,314,580 12.35 2.67 802,000 Exercisable at year-end 1,314,580 12.35 2.67 802,000
Schedule of Restricted Stock Option Activity	The following is a summary of the status of the Company’s restricted stock as of September 30, 2015, and changes therein during the year then ended: Number of Weighted- Nonvested at September 30, 2014 14,906 $ 11.07 Granted 21,843 13.05 Vested (10,438 ) 12.11 Forfeited — — Nonvested at September 30, 2015 26,311 12.30
Summary of Change in Plan Assets and Benefit Obligation	The following table sets forth the change in plan assets and benefit obligation at September 30 (in thousands): 2015 2014 Change in benefit obligation: Benefit obligation at beginning of year $ 18,598 $ 14,997 Service cost 873 577 Interest cost 826 763 Actuarial losses 2,124 3,383 Benefits paid (328 ) (1,122 ) Benefit obligation at end of year 22,093 18,598 Change in plan assets: Fair value of plan assets at beginning of year 17,395 16,363 Actual return on plan assets (60 ) 1,604 Contributions 500 550 Benefits paid (328 ) (1,122 ) Fair value of plan assets at end of year 17,507 17,395 Funded status $ (4,586 ) $ (1,203 )
Summary of the Components of Net Periodic Pension Cost	Amounts not yet recognized as a component of net periodic pension cost (in thousands): 2015 2014 2013 Amounts recognized in accumulated other comprehensive loss consist of: Net loss $ 8,068 $ 4,891 $ 1,979
Summary of the Components of Net Periodic Benefit Cost	The following table comprises the components of net periodic benefit cost for the years ended September 30 (in thousands): 2015 2014 2013 Service cost $ 873 $ 577 $ 702 Interest cost 826 763 716 Expected return on plan assets (1,233 ) (1,162 ) (1,034 ) Amortization of unrecognized loss 241 28 392 Net periodic benefit cost $ 707 $ 206 $ 776
Schedule of Weighted-Average Assumptions	Weighted-average assumptions used to determine benefit obligations: 2015 2014 Discount rate 4.45 % 4.45 % Rate of compensation increase 4.00 4.00
Schedule of Assumptions Used to Determine Net Periodic Benefit Cost	Weighted-average assumptions used to determine net periodic benefit cost for the years ended: 2015 2014 2013 Discount rate 4.45 % 5.10 % 4.15 % Expected long-term return on plan assets 7.00 7.00 7.00 Rate of compensation increase 4.00 4.00 4.00
Summary of the Plan's Financial Assets at Fair Value, within the Fair Value Hierarchy	The following tables set forth by level, within the fair value hierarchy, the plan’s financial assets at fair value as of September 30, 2015 and 2014 (in thousands): September 30, 2015 Level I Level II Level III Total Assets: Investment in collective trusts Fixed income $ — $ 7,074 $ — $ 7,074 Equity — 10,430 — 10,430 Investment in short-term investments — 3 — 3 Total assets at fair value $ — $ 17,507 $ — $ 17,507 September 30, 2014 Level I Level II Level III Total Assets: Investment in collective trusts Fixed income $ — $ 6,995 $ — $ 6,995 Equity — 10,385 — 10,385 Investment in short-term investments — 15 — 15 Total assets at fair value $ — $ 17,395 $ — $ 17,395
The Bank's Defined Benefit Pension Plan Weighted-Average Asset Allocations	The Bank’s defined benefit pension plan weighted-average asset allocations at September 30, by asset category, are as follows: Asset Category 2015 2014 Cash and fixed income securities 40.3 % 40.2 % Equity securities 59.6 59.7 Other 0.1 0.1 Total 100.0 % 100.0 %
Summary of Estimated Future Benefit Payments	Estimated future benefit payments, which reflect expected future service, as appropriate, are as follows (in thousands): 2016 $ 85 2017 92 2018 117 2019 211 2020 284 2021-2025 4,447

Regulatory Capital Requiremen46

Regulatory Capital Requirements (Tables)	12 Months Ended
	Sep. 30, 2015
Banking and Thrift [Abstract]
Reconciliation of Bank's Capital Under U.S. Generally Accepted Accounting Principles to Regulatory Capital	The following table reconciles the Bank’s capital under U.S. generally accepted accounting principles to regulatory capital (in thousands): 2015 2014 Total stockholders’ equity $ 167,112 $ 164,694 Accumulated other comprehensive loss 2,395 2,579 Goodwill and certain other intangible assets (11,005 ) (12,655 ) Disallowed servicing assets — (69 ) Tier I, common equity and core capital 158,502 154,549 Allowance for loan losses 8,971 8,218 Total risk-based capital $ 167,473 $ 162,767
The Bank's Actual Capital Ratios	The Bank’s actual capital ratios are presented in the following table (in thousands): 2015 2014 Amount Ratio Amount Ratio Total capital (to risk-weighted assets) Actual $ 167,473 16.3 % $ 162,767 16.9 % For capital adequacy purposes 81,956 8.0 76,898 8.0 To be well capitalized 102,445 10.0 96,123 10.0 Tier 1 capital (to risk-weighted assets) Actual $ 158,502 15.5 % $ 154,549 16.1 % For capital adequacy purposes 61,467 6.0 38,449 4.0 To be well capitalized 81,956 8.0 57,674 6.0 Common equity tier 1 capital (to risk-weighted assets) Actual $ 158,502 15.5 % $ n/a n/a % For capital adequacy purposes 46,100 4.5 n/a n/a To be well capitalized 66,589 6.5 n/a n/a Tier 1 capital (to adjusted assets) Actual $ 158,502 10.0 % $ 154,549 10.0 % For capital adequacy purposes 63,195 4.0 61,579 4.0 To be well capitalized 78,993 5.0 76,974 5.0

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	12 Months Ended
	Sep. 30, 2015
Fair Value Disclosures [Abstract]
Schedule of Securities, Real Estate Owned and Impaired Loans Measured at Fair Value	The following table presents information about the Company’s securities, real estate owned, and impaired loans measured at fair value as of September 30, 2015 and 2014, and indicates the fair value hierarchy of the valuation techniques utilized by the Company to determine such fair value: September 30, 2015 Level I Level II Level III Total Assets measured at fair value on a recurring basis: Investment securities available for sale: Mortgage-backed securities $ — $ 237,007 $ — $ 237,007 Obligations of states and political subdivisions — 51,625 — 51,625 U.S. government agency securities — 46,186 — 46,186 Corporate obligations — 20,360 2,000 22,360 Trust-preferred securities — — 1,711 1,711 Other debt securities — 19,993 500 20,493 Equity securities - financial services 25 — — 25 Total securities 25 375,171 4,211 379,407 Assets measured at fair value on a nonrecurring basis: Foreclosed real estate owned — — 2,480 2,480 Impaired loans — — 32,303 32,303 Mortgage servicing rights — — 412 412 September 30, 2014 Level I Level II Level III Total Assets measured at fair value on a recurring basis: Investment securities available for sale: Mortgage-backed securities $ — $ 265,052 $ — $ 265,052 Obligations of states and political subdivisions — 42,771 — 42,771 U.S. government agency securities — 47,630 — 47,630 Corporate obligations — 13,328 — 13,328 Trust-preferred securities — 3,891 1,730 5,621 Other debt securities — 6,151 500 6,651 Equity securities - financial services 2,025 — — 2,025 Total securities 2,025 378,823 2,230 383,078 Assets measured at fair value on a nonrecurring basis: Foreclosed real estate owned — — 2,759 2,759 Impaired loans — — 36,497 36,497 Mortgage servicing rights — — 688 688
Schedule of Changes in Fair Value of Level III Investments	The following table presents a summary of changes in the fair value of the Company’s Level III investments for the years ended September 30, 2015 and 2014 (in thousands). Fair Value Measurement Using Significant Unobservable Inputs (Level III) September 30, 2015 September 30, 2014 Beginning balance $ 2,230 $ 1,800 Purchases, sales, issuances, settlements, net 2,000 — Total unrealized gain: Included in earnings — — Included in other comprehensive income (19 ) (57 ) Transfers in and/or out of Level III — 487 $ 4,211 $ 2,230
Summary of Additional Quantitative Information about Assets Measured at Fair Value on a Nonrecurring Basis	The following table presents additional quantitative information about assets measured at fair value on a nonrecurring basis and for which the Company has utilized Level III inputs to determine fair value: Quantitative Information About Level III Fair Value Measurements Fair Value Valuation Techniques Unobservable Input Range September 30, 2015 Impaired loans $ 32,303 Appraisal of collateral (1) Appraisal adjustments (2) 0% to 60% (22.3%) Foreclosed real estate owned 2,480 Appraisal of collateral (1), (3) Appraisal adjustments (2) 20% to 46% (21.3%) Mortgage servicing rights 412 Discounted cash flow Discount rate 6% to 11% Prepayment speeds 5% to 79% (17.9%) September 30, 2014 Impaired loans $ 36,497 Appraisal of collateral (1) Appraisal adjustments (2) 0% to 35% (23%) Foreclosed real estate owned 2,759 Appraisal of collateral (1), (3) Appraisal adjustments (2) 19% to 35% (21.2%) Mortgage servicing rights 688 Discounted cash flow Discount rate 6% to 11% (9.7%) Prepayment speeds 7% to 85% (18.5%) (1) Fair value is generally determined through independent appraisals of the underlying collateral, which generally include various Level III inputs which are not identifiable. (2) Appraisals may be adjusted by management for qualitative factors such as economic conditions and estimated liquidation expenses. The range of liquidation expenses and other appraisal adjustments is presented as a percent of the appraisal. (3) Includes qualitative adjustments by management and estimated liquidation expenses.

Fair Value of Financial Instr48

Fair Value of Financial Instruments (Tables)	12 Months Ended
	Sep. 30, 2015
Text Block [Abstract]
Schedule of Fair Values of the Company's Financial Instruments	The fair values of the Company’s financial instruments are as follows (in thousands): September 30, 2015 Carrying Level I Level II Level III Total Financial assets: Cash and cash equivalents $ 18,758 $ 18,758 $ — $ — $ 18,758 Certificates of deposit 1,750 — — 1,774 1,774 Investment and mortgage-backed securities available for sale 379,407 25 375,171 4,211 379,407 Loans receivable, net 1,102,118 — — 1,123,436 1,123,436 Accrued interest receivable 5,068 5,068 — — 5,068 Regulatory stock 13,831 13,831 — — 13,831 Mortgage servicing rights 412 — — 412 412 Bank-owned life insurance 30,655 30,655 — — 30,655 Financial liabilities: Deposits $ 1,096,754 $ 500,427 $ — $ 600,250 $ 1,100,677 Short-term borrowings 91,339 91,339 — — 91,339 Other borrowings 229,101 — — 230,255 230,255 Advances by borrowers for taxes and insurance 4,273 4,273 — — 4,273 Accrued interest payable 866 866 — — 866 September 30, 2014 Carrying Level I Level II Level III Total Financial assets: Cash and cash equivalents $ 22,301 $ 22,301 $ — $ — $ 22,301 Certificates of deposit 1,767 — — 1,785 1,785 Investment and mortgage-backed securities available for sale 383,078 2,025 378,823 2,230 383,078 Loans receivable, net 1,058,267 — — 1,077,585 1,077,585 Accrued interest receivable 5,061 5,061 — — 5,061 Regulatory stock 14,284 14,284 — — 14,284 Mortgage servicing rights 688 — — 688 688 Bank-owned life insurance 29,720 29,720 — — 29,720 Financial liabilities: Deposits $ 1,133,889 $ 526,876 $ — $ 608,936 $ 1,135,812 Short-term borrowings 108,020 108,020 — — 108,020 Other borrowings 151,300 — — 151,617 151,617 Advances by borrowers for taxes and insurance 4,093 4,093 — — 4,093 Accrued interest payable 831 831 — — 831

Subsequent Events (Tables)

Subsequent Events (Tables)	12 Months Ended
	Sep. 30, 2015
Subsequent Events [Abstract]
Pro Forma Selected Information	ESSA Bancorp, Inc. and Eagle National Bancorp, Inc. Pro Forma Selected Balance Sheet Items (unaudited) September 30, 2015 September 30, 2014 ASSETS Cash and due from financial institutions $ 11,530 $ 27,278 Securities available for sale 418,814 416,251 Loans, net of allowance 1,227,591 1,187,475 Premises and equipment, net 17,191 17,790 LIABILITIES Total deposits 1,254,275 1,297,996 Federal Home Loan Bank advances 320,440 259,320 Securities sold under agreements to repurchase 1,052 1,605 SHAREHOLDERS’ EQUITY Total shareholders’ equity 171,280 167,309 The following table presents financial information regarding the former Franklin Security Bancorp, Inc. (see Note 22) and Eagle National Bancorp, Inc. The table has been prepared for comparative purposes only and is not necessarily indicative of actual results that would have been attained had the acquisition occurred as of the beginning of the periods presented, nor is it indicative of future results. ESSA Bancorp, Inc., Eagle National Bancorp, Inc. and Franklin Security Bancorp, Inc. Pro Forma Condensed Income Statement (unaudited) September 30, 2015 September 30, 2014 Net interest income $ 50,238 $ 49,734 Total noninterest income 8,628 8,298 Net income $ 9,804 $ 7,706 Earnings per share, basic $ 0.94 $ 0.71 Earnings per share, diluted $ 0.93 $ 0.71

Parent Company (Tables)

Parent Company (Tables)	12 Months Ended
	Sep. 30, 2015
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Condensed Balance Sheet	Condensed financial statements of ESSA Bancorp, Inc. are as follows (in thousands): CONDENSED BALANCE SHEET September 30, 2015 2014 ASSETS Cash and due from banks $ 2,258 $ 758 Certificates of deposit — 17 Investment securities available for sale 25 25 Investment in subsidiary 167,112 164,694 Premises and equipment, net 1,144 1,127 Other assets 801 784 TOTAL ASSETS $ 171,340 $ 167,405 LIABILITIES AND STOCKHOLDERS’ EQUITY Other liabilities $ 60 $ 96 Stockholders’ equity 171,280 167,309 TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY $ 171,340 $ 167,405
Condensed Statement of Income	CONDENSED STATEMENT OF INCOME Year Ended September 30, 2015 2014 2013 INCOME Interest income $ 376 $ 381 $ 408 Net gains on sale of investments — — 30 Dividends 8,000 27,000 15,000 Total income 8,376 27,381 15,438 EXPENSES Professional fees 755 1,091 505 Other 64 453 527 Total expenses 819 1,544 1,032 Income before income tax expense 7,557 25,837 14,406 Income tax benefit (118 ) (905 ) — Income before equity in undistributed net earnings of subsidiary 7,675 26,742 14,406 Equity in undistributed net earnings of subsidiary 2,116 (18,238 ) (5,583 ) NET INCOME $ 9,791 $ 8,504 $ 8,823 COMPREHENSIVE INCOME $ 9,975 $ 7,160 $ 5,830
Condensed Statement of Cash Flows	CONDENSED STATEMENT OF CASH FLOWS Year Ended September 30, 2015 2014 2013 OPERATING ACTIVITIES Net income $ 9,791 $ 8,504 $ 8,823 Adjustments to reconcile net income to net cash provided by operating activities: Equity in undistributed net earnings of subsidiary (2,116 ) 18,238 5,583 Provision for depreciation 24 — — Net gains on sale of investments — — (30 ) (Decrease) increase in accrued income taxes 40 (888 ) (12 ) Decrease in accrued interest receivable 8 8 8 Deferred federal income taxes (3 ) 1,480 (29 ) Other, net 458 (634 ) 798 Net cash provided by operating activities 8,202 26,708 15,141 INVESTING ACTIVITIES Certificate of deposit maturities 17 — — Business acquisitions — (15,174 ) — Purchase of premises, equipment and software (41 ) — — Proceeds from principal repayment, maturities, and sales — — 1,200 Net cash provided by (used for) investing activities (24 ) (15,174 ) 1,200 FINANCING ACTIVITIES Repayment of trust-preferred debt — (6,955 ) — Purchase of treasury stock shares (3,132 ) (4,216 ) (14,501 ) Dividends on common stock (3,546 ) (2,800 ) (2,295 ) Net cash used for financing activities (6,678 ) (13,971 ) (16,796 ) Increase (decrease) in cash 1,500 (2,437 ) (455 ) CASH AT BEGINNING OF YEAR 758 3,195 3,650 CASH AT END OF YEAR $ 2,258 $ 758 $ 3,195

Selected Quarterly Data (Unau51

Selected Quarterly Data (Unaudited) (Tables)	12 Months Ended
	Sep. 30, 2015
Summary of Selected Quarterly Data	Three Months Ended December 31, March 31, June 30, September 30, Total interest income $ 13,708 $ 13,580 $ 13,568 $ 13,323 Total interest expense 2,658 2,578 2,557 2,597 Net interest income 11,050 11,002 11,011 10,726 Provision for loan losses 450 525 525 575 Net interest income after provision for loan losses 10,600 10,477 10,486 10,151 Total noninterest income 1,814 1,901 1,948 2,233 Total noninterest expense 8,966 9,098 9,359 9,442 Income before income taxes 3,448 3,280 3,075 2,942 Income taxes expense 852 848 618 636 Net income $ 2,596 $ 2,432 $ 2,457 $ 2,306 Per share data: Net income Basic $ 0.25 $ 0.23 $ 0.24 $ 0.22 Diluted $ 0.25 $ 0.23 $ 0.23 $ 0.22 Average shares outstanding Basic 10,516,097 10,442,310 10,431,461 10,426,195 Diluted 10,516,097 10,521,147 10,565,123 10,550,243 Three Months Ended December 31, March 31, June 30, September 30, Total interest income $ 12,182 $ 11,523 $ 13,785 $ 13,286 Total interest expense 2,691 2,585 2,688 2,663 Net interest income 9,491 8,938 11,097 10,623 Provision for loan losses 750 750 500 350 Net interest income after provision for loan losses 8,741 8,188 10,597 10,273 Total noninterest income 1,627 1,752 2,100 1,929 Total noninterest expense 7,748 7,884 9,095 9,085 Income before income taxes 2,620 2,056 3,602 3,117 Income taxes benefit 616 554 976 745 Net income $ 2,004 $ 1,502 $ 2,626 $ 2,372 Per share data: Net income Basic $ 0.18 $ 0.14 $ 0.24 $ 0.22 Diluted $ 0.18 $ 0.14 $ 0.24 $ 0.22 Average shares outstanding Basic 10,890,156 10,859,519 10,837,592 10,672,848 Diluted 10,906,229 10,859,703 10,837,592 10,687,163
FNCB Branch [Member]
Condensed Statement Reflecting Values Assigned to Net Assets	Total purchase price $ 4,640 Net cash acquired: Cash $ 11 Loans receivable and accrued interest receivable 1,033 Premises and equipment, net 1,626 Certificates of deposits (3,069 ) Deposits other than certificates of deposits (5,683 ) (6,082 ) Goodwill resulting from FNCB purchase $ 1,442
Franklin Security Bancorp, Inc. [Member]
Condensed Statement Reflecting Values Assigned to Net Assets	The following condensed statement reflects the values assigned to Franklin Security Bancorp, Inc.’s net assets as of the acquisition date: Total purchase price $ 15,698 Net assets acquired: Cash $ (19,825 ) Investments available for sale 55,901 Loans receivable 152,188 Regulatory stock 1,569 Premises and equipment, net 176 Foreclosed real estate 436 Intangible assets 889 Deferred tax assets 1,031 Other assets 2,504 Certificates of deposits (90,869 ) Deposits other than certificates of deposits (71,317 ) Borrowings (30,177 ) Other liabilities (2,265 ) Gain resulting from Franklin Security Bancorp, Inc. acquisition $ 241

Summary of Significant Accoun52

Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Summary Of Significant Accounting Policies [Line Items]
Days past due over which loans are considered as substandard	90 days
Total servicing assets included in other assets	$ 412,000	$ 688,000
Goodwill and Intangible Assets Impairment	$ 0	$ 0
Threshold percentage minimum for recognition upon settlement	Greater than 50%
Cash equivalents interest bearing deposits with original maturities	90 days
Troubled Debt Restructuring [Member]
Summary Of Significant Accounting Policies [Line Items]
Days past due over which loans are considered as substandard	180 days
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Depreciation range for buildings, land improvements, and leasehold improvements	10 years
Depreciation range for furniture, fixtures, and equipment	3 years
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Depreciation range for buildings, land improvements, and leasehold improvements	40 years
Depreciation range for furniture, fixtures, and equipment	7 years
ESSA Advisory Services, LLC [Member]
Summary Of Significant Accounting Policies [Line Items]
Percentage ownership of wholly owned subsidiary	100.00%
Federal Home Loan Bank System [Member]
Summary Of Significant Accounting Policies [Line Items]
Loan receivables contractual period for interest and principal accrual	90 days
Percentage Investment in capital stock	0.10%
Investment on outstanding Borrowings, percentage	4.00%
Stock bought and sold based upon par value	$ 100

Summary of Significant Accoun53

Summary of Significant Accounting Policies - Carrying Amount of Goodwill and Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Goodwill
Balance at beginning of year	$ 10,259	$ 8,817
Goodwill acquired		1,442
Balance at end of year	10,259	10,259	$ 8,817
Intangible assets
Balance at beginning of year	2,396	2,466
Intangible assets acquired		889
Amortization	(637)	(959)	(991)
Balance at end of year	$ 1,759	$ 2,396	$ 2,466

Summary of Significant Accoun54

Summary of Significant Accounting Policies - Amortizable Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 4,917
Accumulated Amortization	3,158	$ 2,521
Amortization of intangible assets	637	959	$ 991
Customer Data [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	3,297
Accumulated Amortization	1,628	1,145
Employment Obligations [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,620
Accumulated Amortization	$ 1,530	$ 1,376

Summary of Significant Accoun55

Summary of Significant Accounting Policies - Estimated Future Amortization Expense (Detail)	Sep. 30, 2015USD ($)
Accounting Policies [Abstract]
2,016	$ 510,000
2,017	369,000
2,018	262,000
2,019	146,000
2,020	139,000
2,021	136,000
2,022	109,000
2,023	58,000
2,024	30,000
Total estimated future amortization of expense	$ 1,759,000

Summary of Significant Accoun56

Summary of Significant Accounting Policies - Components of Accumulated Other Comprehensive Income (Loss), Net of Tax (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Accounting Policies [Abstract]
Net unrealized gain on securities available for sale	$ 2,930	$ 649	$ 71
Net unrecognized pension cost	(5,325)	(3,228)	(1,306)
Total	$ (2,395)	$ (2,579)	$ (1,235)

Earnings Per Share - Compositio

Earnings Per Share - Composition of the Weighted-Average Common Shares (Denominator) Used in the Basic and Diluted Earnings per Share Computation (Detail) - shares	3 Months Ended								12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Earnings Per Share [Abstract]
Weighted-average common shares outstanding									18,133,095	18,133,095	18,133,095
Average treasury stock shares									(6,682,911)	(6,284,870)	(5,475,194)
Average unearned ESOP shares									(973,168)	(1,018,444)	(1,063,720)
Average unearned nonvested shares									(22,560)	(12,351)	(34,627)
Weighted-average common shares and common stock equivalents used to calculate basic earnings per share	10,426,195	10,431,461	10,442,310	10,516,097	10,672,848	10,837,592	10,859,519	10,890,156	10,454,456	10,817,430	11,559,554
Additional common stock equivalents (nonvested stock) used to calculate diluted earnings per share									9,787	3,485
Additional common stock equivalents (stock options) used to calculate diluted earnings per share									78,887
Weighted-average common shares and common stock equivalents used to calculate diluted earnings per share	10,550,243	10,565,123	10,521,147	10,516,097	10,687,163	10,837,592	10,859,703	10,906,229	10,543,130	10,820,915	11,559,554

Earnings Per Share - Additional

Earnings Per Share - Additional Information (Detail) - $ / shares	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities	12,230	966	19,998
Price per share of anti-dilutive shares		$ 10.94	$ 10.94
Stock Compensation Plan [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities		1,443,379	1,443,379
Price per share of anti-dilutive shares	$ 11.07	$ 12.35	$ 12.35

Investment Securities - Summary

Investment Securities - Summary of Amortized Cost and Fair Value of Investment Securities Available for Sale (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Amortized Cost	$ 374,969	$ 382,094
Available for sale, Gross Unrealized Gains	5,764	4,694
Available for sale, Gross Unrealized Losses	(1,326)	(3,710)
Available for sale, Fair Value	379,407	383,078
Fannie Mae [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Amortized Cost	130,476	144,291
Available for sale, Gross Unrealized Gains	2,052	1,327
Available for sale, Gross Unrealized Losses	(541)	(1,550)
Available for sale, Fair Value	131,987	144,068
Freddie Mac [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Amortized Cost	88,514	99,556
Available for sale, Gross Unrealized Gains	1,063	548
Available for sale, Gross Unrealized Losses	(286)	(1,277)
Available for sale, Fair Value	89,291	98,827
Governmental National Mortgage Association Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Amortized Cost	13,201	19,446
Available for sale, Gross Unrealized Gains	103	92
Available for sale, Gross Unrealized Losses	(52)	(161)
Available for sale, Fair Value	13,252	19,377
Other Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Amortized Cost	2,494	2,795
Available for sale, Gross Unrealized Losses	(17)	(15)
Available for sale, Fair Value	2,477	2,780
Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Amortized Cost	234,685	266,088
Available for sale, Gross Unrealized Gains	3,218	1,967
Available for sale, Gross Unrealized Losses	(896)	(3,003)
Available for sale, Fair Value	237,007	265,052
Obligations of States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Amortized Cost	50,094	41,375
Available for sale, Gross Unrealized Gains	1,676	1,654
Available for sale, Gross Unrealized Losses	(145)	(258)
Available for sale, Fair Value	51,625	42,771
U.S. Government Agency Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Amortized Cost	45,799	47,821
Available for sale, Gross Unrealized Gains	399	192
Available for sale, Gross Unrealized Losses	(12)	(383)
Available for sale, Fair Value	46,186	47,630
Corporate Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Amortized Cost	22,440	13,140
Available for sale, Gross Unrealized Gains	157	236
Available for sale, Gross Unrealized Losses	(237)	(48)
Available for sale, Fair Value	22,360	13,328
Trust-Preferred Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Amortized Cost	1,613	5,027
Available for sale, Gross Unrealized Gains	98	594
Available for sale, Fair Value	1,711	5,621
Other Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Amortized Cost	20,313	6,618
Available for sale, Gross Unrealized Gains	216	51
Available for sale, Gross Unrealized Losses	(36)	(18)
Available for sale, Fair Value	20,493	6,651
Total Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Amortized Cost	374,944	380,069
Available for sale, Gross Unrealized Gains	5,764	4,694
Available for sale, Gross Unrealized Losses	(1,326)	(3,710)
Available for sale, Fair Value	379,382	381,053
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Available for sale, Amortized Cost	25	2,025
Available for sale, Fair Value	$ 25	$ 2,025

Investment Securities - Schedul

Investment Securities - Schedule of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity (Detail) $ in Thousands	Sep. 30, 2015USD ($)
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Due in one year or less, Amortized Cost	$ 6,504
Due after one year through five years, Amortized Cost	53,267
Due after five years through ten years, Amortized Cost	61,402
Due after ten years, Amortized Cost	253,771
Total, Amortized Cost	374,944
Due in one year or less, Fair Value	6,519
Due after one year through five years, Fair Value	53,908
Due after five years through ten years, Fair Value	62,288
Due after ten years, Fair Value	256,667
Total, Fair Value	$ 379,382

Investment Securities - Additio

Investment Securities - Additional Information (Detail) - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Amortized Cost and Fair Value Debt Securities [Abstract]
Realized gross gains	$ 796,000	$ 457,000	$ 766,000
Proceeds from the sale of investment securities	20,953,000	25,354,000	39,212,000
Realized gross losses	10,000	124,000	$ 17,000
Investment securities with carrying values	$ 93,446,000	$ 136,053,000

Unrealized Losses on Securiti62

Unrealized Losses on Securities - Schedule of Gross Unrealized Losses and Fair Value (Detail) $ in Thousands	Sep. 30, 2015USD ($)Security	Sep. 30, 2014USD ($)Security
Schedule of Available-for-sale Securities [Line Items]
Number of Securities | Security	72	106
Fair Value, Less than Twelve Months	$ 35,650	$ 89,840
Gross Unrealized Losses, Less than Twelve Months	(331)	(477)
Fair Value, Twelve Months or Greater	51,157	95,245
Gross Unrealized Losses, Twelve Months or Greater	(995)	(3,233)
Fair Value, Total	86,807	185,085
Gross Unrealized Losses, Total	$ (1,326)	$ (3,710)
Fannie Mae [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of Securities | Security	22	39
Fair Value, Less than Twelve Months	$ 7,238	$ 34,377
Gross Unrealized Losses, Less than Twelve Months	(28)	(164)
Fair Value, Twelve Months or Greater	23,609	33,249
Gross Unrealized Losses, Twelve Months or Greater	(513)	(1,386)
Fair Value, Total	30,847	67,626
Gross Unrealized Losses, Total	$ (541)	$ (1,550)
Freddie Mac [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of Securities | Security	12	36
Fair Value, Less than Twelve Months	$ 1,487	$ 38,210
Gross Unrealized Losses, Less than Twelve Months	(1)	(216)
Fair Value, Twelve Months or Greater	15,477	29,269
Gross Unrealized Losses, Twelve Months or Greater	(285)	(1,061)
Fair Value, Total	16,964	67,479
Gross Unrealized Losses, Total	$ (286)	$ (1,277)
Governmental National Mortgage Association Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of Securities | Security	2	5
Fair Value, Less than Twelve Months		$ 4,127
Gross Unrealized Losses, Less than Twelve Months		(22)
Fair Value, Twelve Months or Greater	$ 2,209	2,981
Gross Unrealized Losses, Twelve Months or Greater	(52)	(139)
Fair Value, Total	2,209	7,108
Gross Unrealized Losses, Total	$ (52)	$ (161)
Other Mortgage-Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of Securities | Security	3	3
Fair Value, Twelve Months or Greater	$ 2,477	$ 2,780
Gross Unrealized Losses, Twelve Months or Greater	(17)	(15)
Fair Value, Total	2,477	2,780
Gross Unrealized Losses, Total	$ (17)	$ (15)
Obligations of States and Political Subdivisions [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of Securities | Security	14	5
Fair Value, Less than Twelve Months	$ 9,184
Gross Unrealized Losses, Less than Twelve Months	(57)
Fair Value, Twelve Months or Greater	4,667	$ 7,207
Gross Unrealized Losses, Twelve Months or Greater	(88)	(258)
Fair Value, Total	13,851	7,207
Gross Unrealized Losses, Total	$ (145)	$ (258)
U.S. Government Agency Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of Securities | Security	3	11
Fair Value, Less than Twelve Months	$ 3,246	$ 8,004
Gross Unrealized Losses, Less than Twelve Months	(12)	(25)
Fair Value, Twelve Months or Greater		18,629
Gross Unrealized Losses, Twelve Months or Greater		(358)
Fair Value, Total	3,246	26,633
Gross Unrealized Losses, Total	$ (12)	$ (383)
Corporate Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of Securities | Security	10	5
Fair Value, Less than Twelve Months	$ 9,263	$ 3,142
Gross Unrealized Losses, Less than Twelve Months	(207)	(32)
Fair Value, Twelve Months or Greater	970	1,130
Gross Unrealized Losses, Twelve Months or Greater	(30)	(16)
Fair Value, Total	10,233	4,272
Gross Unrealized Losses, Total	$ (237)	$ (48)
Other Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of Securities | Security	6	2
Fair Value, Less than Twelve Months	$ 5,232	$ 1,980
Gross Unrealized Losses, Less than Twelve Months	(26)	(18)
Fair Value, Twelve Months or Greater	1,748
Gross Unrealized Losses, Twelve Months or Greater	(10)
Fair Value, Total	6,980	1,980
Gross Unrealized Losses, Total	$ (36)	$ (18)

Loans Receivable - Summary of L

Loans Receivable - Summary of Loans Receivable (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Real estate loans:
Total Loans	$ 1,111,037	$ 1,066,901
Less allowance for loan losses	8,919	8,634	$ 8,064	$ 7,302
Net loans	1,102,118	1,058,267
Residential Real Estate Loans [Member]
Real estate loans:
Total Loans	610,582	654,152
Less allowance for loan losses	5,140	5,573	5,787	5,401
Construction Real Estate Loans [Member]
Real estate loans:
Total Loans	878	1,367
Commercial Real Estate Loans [Member]
Real estate loans:
Total Loans	200,004	190,536
Less allowance for loan losses	671	663	946	699
Commercial Loans [Member]
Real estate loans:
Total Loans	34,314	25,807
Less allowance for loan losses	693	528	337	474
Obligations of States and Political Subdivisions [Member]
Real estate loans:
Total Loans	59,820	49,177
Less allowance for loan losses	189	163	130	127
Home Equity Loans and Lines of Credit [Member]
Real estate loans:
Total Loans	39,903	41,387
Less allowance for loan losses	461	470	430	499
Auto Loans [Member]
Real estate loans:
Total Loans	162,193	100,571
Less allowance for loan losses	1,570	459
Other [Member]
Real estate loans:
Total Loans	3,343	3,904
Less allowance for loan losses	$ 27	$ 32	$ 21	$ 22

Loans Receivable - Changes in A

Loans Receivable - Changes in Accretable Yield for Purchased Credit-Impaired Losses (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Receivables [Abstract]
Balance at beginning of period	$ 170
Reclassification and other	228	$ 872
Accretion	(140)	(702)
Balance at end of period	$ 258	$ 170

Loans Receivable - Additional I

Loans Receivable - Additional Information (Detail)	12 Months Ended
	Sep. 30, 2015USD ($)ContractSecurityLoanContracts	Sep. 30, 2014USD ($)ContractSecurityLoan	Sep. 30, 2013USD ($)
Receivables [Line Items]
Reclassifications of nonaccretable discounts	$ 228,000	$ 872,000
Allowance for loan losses recorded for acquired loans	266,000	157,000
Mortgage loans serviced for others	81,659,000	104,810,000
Non Accrual loans	20,105,000	21,912,000	$ 23,279,000
Additional interest income under loan agreements	$ 188,000	660,000	883,000
Criteria in internal rating system	Ten-point
Categories considered as not criticized	Six
Days past due over which loans are considered as substandard	90 days
Minimum internal review amount	$ 500,000
Minimum external review amount	1,000,000
Increase in outstanding loan balances	$ 49,790,000	$ (18,201,000)	$ (16,719,000)
Number of troubled debt restructuring loans granted | Contract	16	13
Number of troubled debt restructuring loans granted terms and rate concessions | SecurityLoan	12	7
Troubled debt restructurings granted terms and rate concession	$ 2,300,000	$ 996,000
Number of troubled debt restructuring loans granted terms concessions | SecurityLoan	3	6
Troubled debt restructurings granted terms concession	$ 480,000	$ 1,100,000
Number of troubled debt restructuring loans granted interest rate concession | SecurityLoan	1
Troubled debt restructurings loans granted interest rate concession	$ 177,000
Number of troubled debt restructurings, loan modified, defaulted within one year of modification | Contracts	2
Troubled debt restructurings, loan modified, defaulted within one year of modification	$ 208,000
Auto Loans [Member]
Receivables [Line Items]
Non Accrual loans	366,000
Increase in outstanding loan balances	$ 61,600,000

Loans Receivable - Summary of A

Loans Receivable - Summary of Additional Information Regarding Loans Acquired and Accounted (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Receivables [Abstract]
Outstanding balance	$ 4,779	$ 6,177
Carrying amount	$ 4,162	$ 5,097

Loans Receivable - Summary of I

Loans Receivable - Summary of Impaired Loans (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Receivables [Abstract]
Impaired loans with a related allowance	$ 2,772	$ 3,318	$ 6,160
Impaired loans without a related allowance	30,099	33,647	31,066
Related allowance for loan losses	568	468	819
Average recorded balance of impaired loans	34,539	37,345	37,386
Interest Income Recognized	$ 1,207	$ 1,234	$ 860

Loans Receivable - Schedule of

Loans Receivable - Schedule of Loans Evaluated for Impairment (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 1,111,037	$ 1,066,901
Individually Evaluated for Impairment	28,709	31,868
Collectively Evaluated for Impairment	1,078,166	1,029,936
Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality	4,162	5,097
Residential Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	610,582	654,152
Individually Evaluated for Impairment	11,985	13,528
Collectively Evaluated for Impairment	598,597	640,514
Residential Real Estate Loans [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality		110
Commercial Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	200,004	190,536
Individually Evaluated for Impairment	15,100	17,517
Collectively Evaluated for Impairment	180,796	168,292
Commercial Real Estate Loans [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality	4,108	4,727
Commercial Real Estate Loans [Member] | Construction Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	878	1,367
Collectively Evaluated for Impairment	878	1,367
Commercial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	34,314	25,807
Individually Evaluated for Impairment	204	456
Collectively Evaluated for Impairment	34,056	25,088
Commercial Loans [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality	54	263
Obligations of States and Political Subdivisions [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	59,820	49,177
Collectively Evaluated for Impairment	59,820	49,177
Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	39,903	41,387
Individually Evaluated for Impairment	795	266
Collectively Evaluated for Impairment	39,108	41,124
Home Equity Loans and Lines of Credit [Member] | Loans Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans Acquired with Deteriorated Credit Quality		(3)
Auto Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	162,193	100,571
Individually Evaluated for Impairment	625	101
Collectively Evaluated for Impairment	161,568	100,470
Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	3,343	3,904
Collectively Evaluated for Impairment	$ 3,343	$ 3,904

Loans Receivable - Schedule o69

Loans Receivable - Schedule of Investment and Unpaid Principal Balances for Impaired Loans (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Financing Receivable, Impaired [Line Items]
Recorded Investment	$ 32,871	$ 36,965
Unpaid Principal Balance	36,172	40,658
Associated Allowance	568	468	$ 819
Average Recorded Investment	34,539	37,345	37,386
Interest Income Recognized	1,207	1,234	$ 860
With no Specific Allowance Recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	30,099	33,647
Unpaid Principal Balance	33,165	36,908
Average Recorded Investment	31,491	32,392
Interest Income Recognized	1,145	1,136
With an Allowance Recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	2,772	3,318
Unpaid Principal Balance	3,007	3,750
Associated Allowance	568	468
Average Recorded Investment	3,048	4,953
Interest Income Recognized	62	98
Residential Real Estate Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	11,985	13,638
Unpaid Principal Balance	14,160	16,222
Associated Allowance	373	334
Average Recorded Investment	12,729	13,017
Interest Income Recognized	326	409
Residential Real Estate Loans [Member] | With no Specific Allowance Recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	9,552	11,030
Unpaid Principal Balance	11,521	13,225
Average Recorded Investment	10,105	9,687
Interest Income Recognized	274	311
Residential Real Estate Loans [Member] | With an Allowance Recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	2,433	2,608
Unpaid Principal Balance	2,639	2,997
Associated Allowance	373	334
Average Recorded Investment	2,624	3,330
Interest Income Recognized	52	98
Commercial Real Estate Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	19,208	22,244
Unpaid Principal Balance	20,167	23,105
Associated Allowance		84
Average Recorded Investment	20,706	21,798
Interest Income Recognized	851	726
Commercial Real Estate Loans [Member] | With no Specific Allowance Recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	19,208	21,587
Unpaid Principal Balance	20,167	22,428
Average Recorded Investment	20,425	20,200
Interest Income Recognized	851	726
Commercial Real Estate Loans [Member] | With an Allowance Recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment		657
Unpaid Principal Balance		677
Associated Allowance		84
Average Recorded Investment	281	1,598
Commercial Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	258	719
Unpaid Principal Balance	270	777
Average Recorded Investment	480	2,146
Interest Income Recognized	10	92
Commercial Loans [Member] | With no Specific Allowance Recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	258	719
Unpaid Principal Balance	270	777
Average Recorded Investment	480	2,146
Interest Income Recognized	10	92
Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	795	263
Unpaid Principal Balance	836	453
Associated Allowance	64	50
Average Recorded Investment	422	285
Interest Income Recognized	7	7
Home Equity Loans and Lines of Credit [Member] | With no Specific Allowance Recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	731	210
Unpaid Principal Balance	743	377
Average Recorded Investment	379	260
Interest Income Recognized	7	7
Home Equity Loans and Lines of Credit [Member] | With an Allowance Recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	64	53
Unpaid Principal Balance	93	76
Associated Allowance	64	50
Average Recorded Investment	43	25
Auto Loans [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	625	101
Unpaid Principal Balance	739	101
Associated Allowance	131
Average Recorded Investment	202	99
Interest Income Recognized	13
Auto Loans [Member] | With no Specific Allowance Recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	350	101
Unpaid Principal Balance	464	101
Average Recorded Investment	102	$ 99
Interest Income Recognized	3
Auto Loans [Member] | With an Allowance Recorded [Member]
Financing Receivable, Impaired [Line Items]
Recorded Investment	275
Unpaid Principal Balance	275
Associated Allowance	131
Average Recorded Investment	100
Interest Income Recognized	$ 10

Loans Receivable - Classes of L

Loans Receivable - Classes of Loan Portfolio, Internal Risk Rating System (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total	$ 294,138	$ 265,520
Commercial Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total	200,004	190,536
Commercial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total	34,314	25,807
Obligations of States and Political Subdivisions [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total	59,820	49,177
Pass [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total	268,137	234,800
Pass [Member] | Commercial Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total	174,516	160,749
Pass [Member] | Commercial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total	33,801	24,874
Pass [Member] | Obligations of States and Political Subdivisions [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total	59,820	49,177
Special Mention [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total	4,521	8,365
Special Mention [Member] | Commercial Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total	4,521	8,020
Special Mention [Member] | Commercial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total		345
Substandard [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total	21,480	22,057
Substandard [Member] | Commercial Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total	20,967	21,469
Substandard [Member] | Commercial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total	$ 513	588
Doubtful [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total		298
Doubtful [Member] | Commercial Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loan, total		$ 298

Loans Receivable - Schedule o71

Loans Receivable - Schedule of Performing or Non-Performing Loans (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Financing Receivable, Recorded Investment [Line Items]
Total	$ 816,899	$ 801,381
Residential Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	610,582	654,152
Commercial Real Estate Loans [Member] | Construction Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	878	1,367
Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	39,903	41,387
Auto Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	162,193	100,571
Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	3,343	3,904
Performing [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	806,050	791,324
Performing [Member] | Residential Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	600,810	644,374
Performing [Member] | Commercial Real Estate Loans [Member] | Construction Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	878	1,367
Performing [Member] | Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	39,213	41,128
Performing [Member] | Auto Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	161,827	100,571
Performing [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	3,322	3,884
Nonperforming [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	10,849	10,057
Nonperforming [Member] | Residential Real Estate Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	9,772	9,778
Nonperforming [Member] | Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	690	259
Nonperforming [Member] | Auto Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	366
Nonperforming [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	$ 21	$ 20

Loans Receivable - Classes of72

Loans Receivable - Classes of Loan Portfolio Summarized by Aging Categories (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 1,085,576	$ 1,039,718
31-60 Days Past Due	3,492	3,693
61-90 Days Past Due	1,864	1,578
Greater than 90 Days Past Due	0	0
Non-accrual	20,105	21,912	$ 23,279
Total Past Due	25,461	27,183
Total Loans	1,111,037	1,066,901
Residential Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	598,190	640,583
31-60 Days Past Due	1,575	2,398
61-90 Days Past Due	1,045	1,393
Greater than 90 Days Past Due	0	0
Non-accrual	9,772	9,778
Total Past Due	12,392	13,569
Total Loans	610,582	654,152
Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	878	1,367
Greater than 90 Days Past Due	0	0
Total Loans	878	1,367
Commercial Real Estate Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	190,440	179,319
31-60 Days Past Due	137	516
61-90 Days Past Due	587	89
Greater than 90 Days Past Due	0	0
Non-accrual	8,840	10,612
Total Past Due	9,564	11,217
Total Loans	200,004	190,536
Commercial Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	33,545	24,424
31-60 Days Past Due	346	110
61-90 Days Past Due	7	30
Greater than 90 Days Past Due	0	0
Non-accrual	416	1,243
Total Past Due	769	1,383
Total Loans	34,314	25,807
Obligations of States and Political Subdivisions [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	59,820	49,159
31-60 Days Past Due		18
Greater than 90 Days Past Due	0	0
Total Past Due		18
Total Loans	59,820	49,177
Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	39,136	40,870
31-60 Days Past Due	32	225
61-90 Days Past Due	45	33
Greater than 90 Days Past Due	0	0
Non-accrual	690	259
Total Past Due	767	517
Total Loans	39,903	41,387
Auto Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	160,272	100,112
31-60 Days Past Due	1,375	426
61-90 Days Past Due	180	33
Greater than 90 Days Past Due	0	0
Non-accrual	366
Total Past Due	1,921	459
Total Loans	162,193	100,571
Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	3,295	3,884
31-60 Days Past Due	27
Greater than 90 Days Past Due	0	0
Non-accrual	21	20
Total Past Due	48	20
Total Loans	$ 3,343	$ 3,904

Loans Receivable - Summary of P

Loans Receivable - Summary of Primary Segments of ALL (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2015	Sep. 30, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Beginning of period				$ 8,634				$ 8,064	$ 8,634	$ 8,064	$ 7,302
Charge-offs									(2,083)	(2,078)	(3,053)
Recoveries									293	298	65
Provision	$ 575	$ 525	$ 525	450	$ 350	$ 500	$ 750	750	2,075	2,350	3,750
Balance, End of period	8,919				8,634				8,919	8,634	8,064
Individually evaluated for impairment												$ 568	$ 468
Collectively evaluated for impairment												8,351	8,166
Balance, End of period	8,919			8,634	8,634			8,064	8,634	8,064	7,302	8,919	8,634
Residential Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Beginning of period				5,573				5,787	5,573	5,787	5,401
Charge-offs									(1,359)	(1,709)	(2,401)
Recoveries									76	163	50
Provision									850	1,332	2,737
Balance, End of period	5,140				5,573				5,140	5,573	5,787
Individually evaluated for impairment												373	334
Collectively evaluated for impairment												4,767	5,239
Balance, End of period	5,140			5,573	5,573			5,787	5,573	5,787	5,401	5,140	5,573
Commercial Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Beginning of period				663				946	663	946	699
Charge-offs									(65)	(120)	(403)
Recoveries									84	94	2
Provision									(11)	(257)	648
Balance, End of period	671				663				671	663	946
Individually evaluated for impairment													84
Collectively evaluated for impairment												671	579
Balance, End of period	671			663	663			946	663	946	699	671	663
Commercial Real Estate Loans [Member] | Construction Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Beginning of period				11				20	11	20	29
Provision									(4)	(9)	(9)
Balance, End of period	7				11				7	11	20
Collectively evaluated for impairment												7	11
Balance, End of period	7			11	11			20	11	20	29	7	11
Commercial Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Beginning of period				528				337	528	337	474
Charge-offs									(30)	(101)
Recoveries									23	20
Provision									172	272	(137)
Balance, End of period	693				528				693	528	337
Collectively evaluated for impairment												693	528
Balance, End of period	693			528	528			337	528	337	474	693	528
Obligations of States and Political Subdivisions [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Beginning of period				163				130	163	130	127
Provision									26	33	3
Balance, End of period	189				163				189	163	130
Collectively evaluated for impairment												189	163
Balance, End of period	189			163	163			130	163	130	127	189	163
Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Beginning of period				470				430	470	430	499
Charge-offs									(27)	(145)	(243)
Recoveries									15	18	13
Provision									3	167	161
Balance, End of period	461				470				461	470	430
Individually evaluated for impairment												64	50
Collectively evaluated for impairment												397	420
Balance, End of period	461			470	470			430	470	430	499	461	470
Auto Loans [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Beginning of period				459					459
Charge-offs									(596)
Recoveries									87
Provision									1,620	459
Balance, End of period	1,570				459				1,570	459
Individually evaluated for impairment												131
Collectively evaluated for impairment												1,439	459
Balance, End of period	1,570			459	459				459	459		1,570	459
Other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Beginning of period				32				21	32	21	22
Charge-offs									(6)	(3)	(6)
Recoveries									8	3
Provision									(7)	11	5
Balance, End of period	27				32				27	32	21
Collectively evaluated for impairment												27	32
Balance, End of period	27			32	32			21	32	21	22	27	32
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Balance, Beginning of period				735				393	735	393	51
Provision									(574)	342	342
Balance, End of period	161				735				161	735	393
Collectively evaluated for impairment												161	735
Balance, End of period	$ 161			$ 735	$ 735			$ 393	$ 735	$ 393	$ 51	$ 161	$ 735

Loans Receivable - Summary of T

Loans Receivable - Summary of Troubled Debt Restructuring Granted (Detail) $ in Thousands	12 Months Ended
	Sep. 30, 2015USD ($)Contract	Sep. 30, 2014USD ($)Contract
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	16	13
Real Estate Loans [Member] | Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	14	9
Pre-Modification Outstanding Recorded Investment	$ 2,775	$ 1,366
Post-Modification Outstanding Recorded Investment	$ 2,775	$ 1,366
Real Estate Loans [Member] | Commercial Real Estate Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract		3
Pre-Modification Outstanding Recorded Investment		$ 487
Post-Modification Outstanding Recorded Investment		$ 487
Commercial Loans [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract		1
Pre-Modification Outstanding Recorded Investment		$ 279
Post-Modification Outstanding Recorded Investment		$ 279
Home Equity Loans and Lines of Credit [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	2
Pre-Modification Outstanding Recorded Investment	$ 175
Post-Modification Outstanding Recorded Investment	$ 175
Troubled Debt Restructurings [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | Contract	16	13
Pre-Modification Outstanding Recorded Investment	$ 2,950	$ 2,132
Post-Modification Outstanding Recorded Investment	$ 2,950	$ 2,132

Premises and Equipment - Compos

Premises and Equipment - Composition of Premises and Equipment (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Property Plant and Equipment Useful Life and Values [Abstract]
Land and land improvements	$ 6,167	$ 6,167
Buildings and leasehold improvements	16,047	15,646
Furniture, fixtures, and equipment	10,402	10,005
Construction in process	14	85
Premises and equipment Gross	32,630	31,903
Less accumulated depreciation	(16,077)	(14,946)
Total	$ 16,553	$ 16,957

Premises and Equipment - Additi

Premises and Equipment - Additional Information (Detail) - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Property Plant and Equipment Useful Life and Values [Abstract]
Depreciation Expense	$ 1,131,000	$ 1,097,000	$ 1,019,000

Deposits - Schedule of Deposits

Deposits - Schedule of Deposits and Respective Weighted-Average Interest Rates by Major Classifications (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Deposits [Line Items]
Weighted Average Interest Rate, Noninterest-bearing demand accounts	0.00%	0.00%
Weighted Average Interest Rate, Interest bearing demand accounts	0.09%	0.07%
Weighted Average Interest Rate, Money market accounts	0.23%	0.23%
Weighted Average Interest Rate, Savings and club accounts	0.05%	0.05%
Weighted Average Interest Rate, Certificates of deposit	1.11%	1.25%
Weighted Average Interest Rate, Total	0.65%	0.72%
Noninterest-bearing demand accounts	$ 98,514	$ 70,048
Interest bearing demand accounts	110,268	163,936
Money market accounts	162,418	170,158
Savings and club accounts	129,227	122,734
Certificates of deposit	596,327	607,013
Total	$ 1,096,754	$ 1,133,889
Weighted Average Interest Rate, Certificates of deposit	1.11%	1.25%
Certificates of deposit	$ 596,327	$ 607,013
0.00 - 2.00% [Member]
Deposits [Line Items]
Weighted Average Interest Rate, Certificates of deposit	0.98%	0.97%
Certificates of deposit	$ 541,503	$ 503,905
Weighted Average Interest Rate, Certificates of deposit	0.98%	0.97%
Certificates of deposit	$ 541,503	$ 503,905
2.01 - 4.00% [Member]
Deposits [Line Items]
Weighted Average Interest Rate, Certificates of deposit	2.36%	2.63%
Certificates of deposit	$ 54,824	$ 103,108
Weighted Average Interest Rate, Certificates of deposit	2.36%	2.63%
Certificates of deposit	$ 54,824	$ 103,108

Deposits - Scheduled Maturities

Deposits - Scheduled Maturities of Certificates of Deposit (Detail) $ in Thousands	Sep. 30, 2015USD ($)
Fees and Commissions [Abstract]
Within three months	$ 104,181
Three through six months	69,371
Six through twelve months	108,892
Over twelve months	313,883
Total	$ 596,327

Deposits - Additional Informati

Deposits - Additional Information (Detail) - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Fees and Commissions [Abstract]
Brokered deposits Total	$ 271,916,000	$ 218,368,000
Aggregate amount of time certificates of deposit	25,677,000	$ 25,562,000
Aggregate amount of time certificates of deposit with a minimum denomination	$ 250,000

Deposits - Scheduled Maturiti80

Deposits - Scheduled Maturities of Certificates of Deposit in Denominations (Detail) - USD ($)	Sep. 30, 2015	Sep. 30, 2014
Fees and Commissions [Abstract]
Within three months	$ 25,951,000
Three through six months	14,580,000
Six through twelve months	23,703,000
Over twelve months	101,013,000
Total	$ 25,677,000	$ 25,562,000

Deposits - Summary of Interest

Deposits - Summary of Interest Expense on Deposits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Fees and Commissions [Abstract]
Interest bearing demand accounts	$ 103	$ 76	$ 51
Money market accounts	465	315	327
Savings and club accounts	62	61	51
Certificates of deposits	6,795	7,455	6,979
Total	$ 7,425	$ 7,907	$ 7,408

Short-Term Borrowings - Additio

Short-Term Borrowings - Additional Information (Detail) - USD ($)	Sep. 30, 2015	Sep. 30, 2014
Debt Disclosure [Abstract]
Short-term borrowings	$ 91,339,000	$ 108,020,000
Advances on line of credit with the FHLB	67,800,000	5,020,000
Line of credit with the FHLB	150,000,000	$ 150,000,000
Borrowing limit	$ 551,200,000

Short-Term Borrowings - Schedul

Short-Term Borrowings - Schedule of Short-Term Borrowings (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Debt Disclosure [Abstract]
Balance at year-end	$ 91,339	$ 108,020
Maximum amount outstanding at any month-end	132,533	108,020
Average balance outstanding during the year	$ 115,006	$ 55,204
Weighted-average interest rate:
As of year-end	0.40%	0.33%
Paid during the year	0.37%	0.33%

Other Borrowings - Contractual

Other Borrowings - Contractual Maturities of FHLB Long-term Advances (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Federal Home Loan Bank, Advances [Line Items]
FHLB bank amount of advances by branch	$ 229,101	$ 151,300
Convertible [Member]
Federal Home Loan Bank, Advances [Line Items]
Maturity Range From	2,018
Maturity Range To	2,018
Weighted- Average Interest Rate	3.30%
Stated Interest Rate Ranged From	3.30%
Stated Interest Rate Ranged To	3.30%
FHLB bank amount of advances by branch	$ 5,000	5,000
Fixed Rate [Member]
Federal Home Loan Bank, Advances [Line Items]
Maturity Range From	2,015
Maturity Range To	2,020
Weighted- Average Interest Rate	1.58%
Stated Interest Rate Ranged From	0.63%
Stated Interest Rate Ranged To	2.85%
FHLB bank amount of advances by branch	$ 119,951	116,300
Mid-Term [Member]
Federal Home Loan Bank, Advances [Line Items]
Maturity Range From	2,015
Maturity Range To	2,018
Weighted- Average Interest Rate	0.81%
Stated Interest Rate Ranged From	0.45%
Stated Interest Rate Ranged To	1.27%
FHLB bank amount of advances by branch	$ 104,150	$ 30,000

Other Borrowings - Maturities o

Other Borrowings - Maturities of FHLB Long-term Advances (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Federal Home Loan Bank, Advances, Fiscal Year Maturity [Abstract]
2016, Amount	$ 67,800
2017, Amount	76,030
2018, Amount	42,575
2019, Amount	34,050
2020, Amount	8,646
Total, Amount	$ 229,101	$ 151,300
2016, Weighted-Average Rate	0.94%
2017, Weighted-Average Rate	1.05%
2018, Weighted-Average Rate	1.45%
2019, Weighted-Average Rate	2.03%
2020, Weighted-Average Rate	1.81%
Total, Weighted-Average Rate	1.27%

Other Borrowings - Additional I

Other Borrowings - Additional Information (Detail)	12 Months Ended
	Sep. 30, 2015USD ($)Note
Federal Home Loan Bank, Advances, Fiscal Year Maturity [Abstract]
Note payable | $	$ 5,000,000
Number of convertible notes | Note	1

Income Taxes - Schedule of Prov

Income Taxes - Schedule of Provision for Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Federal									$ 2,154	$ 1,505	$ 1,646
State									16
Total current taxes									2,170	1,505	1,646
Deferred income tax benefit									784	1,386	1,188
Actual tax expense and effective rate, Amount	$ 636	$ 618	$ 848	$ 852	$ 745	$ 976	$ 554	$ 616	$ 2,954	$ 2,891	$ 2,834

Income Taxes - Schedule of Chan

Income Taxes - Schedule of Changes in Significant Portions of the Deferred Tax Assets and Deferred Tax Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Deferred tax assets:
Allowance for loan losses	$ 3,032	$ 2,936
Employee benefit plan	2,743	1,663
Investment losses subject to Section 382 limitation	4,637	4,910
Purchase accounting adjustment	604	1,423
Other	4,093	3,964
Total gross deferred tax assets	15,109	14,896
Deferred tax liabilities:
Pension plan	1,184	1,254
Net unrealized gain on securities	1,509	335
Mortgage servicing rights	104	119
Premises and equipment	273	258
Other	890	903
Total gross deferred tax liabilities	3,960	2,869
Net deferred tax assets	$ 11,149	$ 12,027

Income Taxes - Additional Infor

Income Taxes - Additional Information (Detail)	12 Months Ended
	Sep. 30, 2015USD ($)
Income Tax Disclosure [Abstract]
Unrecognized Tax Benefits	$ 0
Uncertain tax position	$ 0
Effective income tax rate	11.50%
Retained earnings	$ 4,600,000
Provision for Federal income tax	$ 0

Income Taxes - Schedule of Reco

Income Taxes - Schedule of Reconciliation of the Federal Statutory Rate and the Effective Income Tax Rate (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Provision at statutory rate, Amount									$ 4,333	$ 3,874	$ 3,963
Income from bank-owned life insurance, Amount									(318)	(314)	(322)
Tax-exempt income, Amount									(752)	(536)	(388)
Low-income housing credits, Amount									(254)	(140)	(289)
Nondeductible merger expenses, Amount									21
Other, net, Amount									(76)	7	(130)
Actual tax expense and effective rate, Amount	$ 636	$ 618	$ 848	$ 852	$ 745	$ 976	$ 554	$ 616	$ 2,954	$ 2,891	$ 2,834
Provision at statutory rate, Percentage of pretax income									34.00%	34.00%	34.00%
Income from bank-owned life insurance, Percentage of pretax income									(2.50%)	(2.80%)	(2.80%)
Tax-exempt income, Percentage of pretax income									(5.90%)	(4.70%)	(3.30%)
Low-income housing credits, Percentage of pretax income									(2.00%)	(1.20%)	(2.50%)
Nondeductible merger expenses, Percentage of pretax income									0.20%
Other, net, Percentage of pretax income									(0.60%)	0.10%	(1.10%)
Actual tax expense and effective rate, Percentage of pretax income									23.20%	25.40%	24.30%

Commitments - Components of Off

Commitments - Components of Off Balance Sheet Commitments (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Commitments to Extend Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off balance sheet commitments	$ 37,238	$ 40,615
Standby Letters of Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off balance sheet commitments	3,231	7,521
Unfunded Lines of Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Off balance sheet commitments	$ 43,820	$ 44,039

Commitments - Additional Inform

Commitments - Additional Information (Detail)	12 Months Ended
	Sep. 30, 2015
Commitments and Contingencies Disclosure [Abstract]
Interest Rate, Fixed Rate Commitments Minimum	2.90%
Interest Rate, Fixed Rate Commitments Maximum	5.00%
Contract Maturity Period	Less than one year
Coverage Period for Instrument	1 year

Lease Commitments and Total R93

Lease Commitments and Total Rental Expense - Future Minimum Lease Payments By Year and in the Aggregate (Detail) $ in Thousands	Sep. 30, 2015USD ($)
Commitments and Contingencies Disclosure [Abstract]
2,016	$ 607
2,017	478
2,018	376
2,019	332
2,020	336
2021 and beyond	1,273
Total	$ 3,402

Lease Commitments and Total R94

Lease Commitments and Total Rental Expense - Additional Information (Detail)	12 Months Ended
	Sep. 30, 2015USD ($)Office	Sep. 30, 2014USD ($)	Sep. 30, 2013USD ($)
Commitments and Contingencies Disclosure [Abstract]
Total rental expenses | $	$ 917,000	$ 952,000	$ 913,000
Number of offices | Office	6

Employee Benefits - Additional

Employee Benefits - Additional Information (Detail) - USD ($)	May. 20, 2015	Jul. 22, 2014	Apr. 01, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Compensation Related Costs Disclosure [Line Items]
Service Period				1 year
Age of Employee				21 years
Acquired Shares of the Company's Stock				1,358,472
Outstanding loan interest				3.25%
Annual payment of principal and interest				$ 718,000
Recognized ESOP expense				$ 561,000	$ 500,000	$ 485,000
Option vesting period				5 years
Option expiration period				10 years
Share-based compensation expense				$ 113,000	219,000	1,516,000
Stock option expense				0	0	458,000
Restricted stock expense				95,000	219,000	1,100,000
Accumulated benefit obligation				16,341,000	13,253,000
Estimated net loss				477,000
Expected contribution of bank				$ 631,000
Supplemental executive retirement plan minimum period				No less than 192 months
Estimated present value of benefits under plan				$ 771,000	680,000
Supplemental executive retirement plan discounting rate for present value calculation				6.00%
Expense related to supplemental executive retirement plan				$ 91,000	$ 0	$ 0
Equity [Member]
Compensation Related Costs Disclosure [Line Items]
Target allocation of cash and fixed income				65.00%
Cash and Fixed Income [Member]
Compensation Related Costs Disclosure [Line Items]
Target allocation of cash and fixed income				35.00%
Equity Incentive Plan [Member]
Compensation Related Costs Disclosure [Line Items]
Common stock issuance, Grant				2,377,326
Stock Option [Member]
Compensation Related Costs Disclosure [Line Items]
Number of available shares				1,698,090
Restricted Stock [Member]
Compensation Related Costs Disclosure [Line Items]
Number of available shares				679,236
Shares granted	21,843	19,880	30,000	590,320
Outstanding nonvested restricted stock				26,311
Expected future expense				$ 386,000
Restricted Stock [Member] | Minimum [Member]
Compensation Related Costs Disclosure [Line Items]
Remaining vesting periods				2 years
Restricted Stock [Member] | Maximum [Member]
Compensation Related Costs Disclosure [Line Items]
Remaining vesting periods				3 years
Restricted Stock [Member] | 2013 [Member]
Compensation Related Costs Disclosure [Line Items]
Restricted shares vesting period				18 months
Restricted Stock [Member] | 2014 [Member]
Compensation Related Costs Disclosure [Line Items]
Restricted shares vesting period				39 months
Restricted Stock [Member] | 2015 [Member]
Compensation Related Costs Disclosure [Line Items]
Restricted shares vesting period				41 months
Non Qualified Stock Option [Member]
Compensation Related Costs Disclosure [Line Items]
Shares granted				1,140,469
Incentive Stock Option [Member]
Compensation Related Costs Disclosure [Line Items]
Shares granted				317,910

Employee Benefits - Components

Employee Benefits - Components of the ESOP Shares (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Compensation Related Costs [Abstract]
Allocated shares	328,573	292,428
Shares committed to be released	33,962	33,962
Unreleased shares	962,251	1,007,533
Total ESOP shares	1,324,786	1,333,923
Fair value of unreleased shares	$ 12,471	$ 11,385

Employee Benefits - Schedule of

Employee Benefits - Schedule of Stock Option Activity (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Number of Stock Options, Outstanding, September 30, 2014	1,443,379
Number of Stock Options, Granted	0
Number of Stock Options, Exercised	(5,000)
Number of Stock Options, Forfeited	(123,799)
Number of Stock Options, Outstanding, September 30, 2015	1,314,580	1,443,379
Number of Stock Options, Exercisable at year-end	1,314,580
Weighted-average Exercise Price, Outstanding, September 30, 2014	$ 12.35
Weighted-average Exercise Price, Granted	0
Weighted-average Exercise Price, Exercised	12.35
Weighted-average Exercise Price, Forfeited	12.35
Weighted-average Exercise Price, Outstanding, September 30, 2015	12.35	$ 12.35
Weighted-average Exercise Price, Exercisable at year-end	$ 12.35
Weighted-average Remaining Contractual Term (in years), Outstanding	2 years 8 months 1 day	3 years 8 months 1 day
Weighted-average Remaining Contractual Term (in years), Granted	0 years
Weighted-average Remaining Contractual Term (in years), Exercised	2 years 8 months 1 day
Weighted-average Remaining Contractual Term (in years), Forfeited	2 years 8 months 1 day
Weighted-average Remaining Contractual Term (in years), Outstanding, Ending Balance	2 years 8 months 1 day	3 years 8 months 1 day
Weighted-average Remaining Contractual Term (in years), Exercisable, Ending Balance	2 years 8 months 1 day
Aggregate Intrinsic Value, Granted	$ 0
Aggregate Intrinsic Value, Exercised	0
Aggregate Intrinsic Value, Forfeited	0
Aggregate Intrinsic Value, Outstanding, Ending Balance	802,000
Aggregate Intrinsic Value, Exercisable at year-end	$ 802,000

Employee Benefits - Schedule 98

Employee Benefits - Schedule of Restricted Stock Option Activity (Detail)	12 Months Ended
	Sep. 30, 2015$ / sharesshares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Restricted Stock, Granted	0
Number of Restricted Stock, Forfeited	123,799
Weighted-average Grant Date Fair Value, Forfeited | $ / shares	$ 12.35
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Restricted Stock, Nonvested at September 30, 2014	14,906
Number of Restricted Stock, Granted	21,843
Number of Restricted Stock, Vested	(10,438)
Number of Restricted Stock, Forfeited	0
Number of Restricted Stock, Nonvested at September 30, 2015	26,311
Weighted-average Grant Date Fair Value, Nonvested at September 30, 2014 | $ / shares	$ 11.07
Weighted-average Grant Date Fair Value, Granted | $ / shares	13.05
Weighted-average Grant Date Fair Value, Vested | $ / shares	12.11
Weighted-average Grant Date Fair Value, Forfeited | $ / shares	0
Weighted-average Grant Date Fair Value, Nonvested at September 30, 2015 | $ / shares	$ 12.30

Employee Benefits - Summary of

Employee Benefits - Summary of Change in Plan Assets and Benefit Obligation (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Compensation Related Costs [Abstract]
Benefit obligation at beginning of year	$ 18,598	$ 14,997
Service cost	873	577	$ 702
Interest cost	826	763	716
Actuarial losses	2,124	3,383
Benefits paid	(328)	(1,122)
Benefit obligation at end of year	22,093	18,598	14,997
Fair value of plan assets at beginning of year	17,395	16,363
Actual return on plan assets	(60)	1,604
Contributions	500	550
Benefits paid	(328)	(1,122)
Fair value of plan assets at end of year	17,507	17,395	$ 16,363
Funded status	$ (4,586)	$ (1,203)

Employee Benefits - Summary 100

Employee Benefits - Summary of the Components of Net Periodic Pension Cost (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Compensation Related Costs [Abstract]
Net loss	$ 8,068	$ 4,891	$ 1,979

Employee Benefits - Summary 101

Employee Benefits - Summary of the Components of Net Periodic Benefit Cost (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Compensation Related Costs [Abstract]
Service cost	$ 873	$ 577	$ 702
Interest cost	826	763	716
Expected return on plan assets	(1,233)	(1,162)	(1,034)
Amortization of unrecognized loss	241	28	392
Net periodic benefit cost	$ 707	$ 206	$ 776

Employee Benefits - Schedule102

Employee Benefits - Schedule of Weighted-Average Assumptions (Detail)	Sep. 30, 2015	Sep. 30, 2014
Compensation Related Costs [Abstract]
Discount rate	4.45%	4.45%
Rate of compensation increase	4.00%	4.00%

Employee Benefits - Schedule103

Employee Benefits - Schedule of Assumptions Used to Determine Net Periodic Benefit Cost (Detail)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Compensation Related Costs [Abstract]
Discount rate	4.45%	5.10%	4.15%
Expected long-term return on plan assets	7.00%	7.00%	7.00%
Rate of compensation increase	4.00%	4.00%	4.00%

Employee Benefits - Summary 104

Employee Benefits - Summary of the Plan's Financial Assets at Fair Value, Within the Fair Value Hierarchy (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	$ 17,507	$ 17,395
Investment in Collective Trusts Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	7,074	6,995
Investment in Collective Trusts Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	10,430	10,385
Investment in Short-Term Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	3	15
Level II [Member]
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	17,507	17,395
Level II [Member] | Investment in Collective Trusts Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	7,074	6,995
Level II [Member] | Investment in Collective Trusts Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	10,430	10,385
Level II [Member] | Investment in Short-Term Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Total assets at fair value	$ 3	$ 15

Employee Benefits - The Bank's

Employee Benefits - The Bank's Defined Benefit Pension Plan Weighted-Average Asset Allocations (Detail)	Sep. 30, 2015	Sep. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
Total Defined Benefit Plan, Actual Plan Asset Allocations	100.00%	100.00%
Cash and Fixed Income Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Total Defined Benefit Plan, Actual Plan Asset Allocations	40.30%	40.20%
Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Total Defined Benefit Plan, Actual Plan Asset Allocations	59.60%	59.70%
Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Total Defined Benefit Plan, Actual Plan Asset Allocations	0.10%	0.10%

Employee Benefits - Summary 106

Employee Benefits - Summary of Estimated Future Benefit Payments (Detail) $ in Thousands	Sep. 30, 2015USD ($)
Compensation Related Costs [Abstract]
2,016	$ 85
2,017	92
2,018	117
2,019	211
2,020	284
2021-2025	$ 4,447

Regulatory Restrictions - Addit

Regulatory Restrictions - Additional Information (Detail) - USD ($)	Sep. 30, 2015	Sep. 30, 2014
Fees and Commissions [Abstract]
Reserve funds deposit	$ 5,212,000	$ 7,860,000

Regulatory Capital Requireme108

Regulatory Capital Requirements - Additional Information (Detail)	Sep. 30, 2015	Sep. 30, 2014
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total risk-based ratio	10.00%	10.00%
Tier 1 risk-based ratio	6.00%	4.00%
Minimum [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total risk-based ratio	10.00%	10.00%
Tier 1 risk-based ratio	8.00%	8.00%
Tier 1 leverage capital ratio	5.00%	5.00%

Regulatory Capital Requireme109

Regulatory Capital Requirements - Reconciliation of Bank's Capital under U.S. Generally Accepted Accounting Principles to Regulatory Capital (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Fees and Commissions [Abstract]
Total stockholders' equity	$ 171,280	$ 167,309	$ 166,446	$ 175,411
Accumulated other comprehensive loss	(2,395)	(2,579)	$ (1,235)
Goodwill and certain other intangible assets	(11,005)	(12,655)
Disallowed servicing assets		(69)
Tier I, common equity and core capital	158,502	154,549
Allowance for loan losses	8,971	8,218
Total risk-based capital	$ 167,473	$ 162,767

Regulatory Capital Requireme110

Regulatory Capital Requirements - Bank's Actual Capital Ratios (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Fees and Commissions [Abstract]
Actual, Amount	$ 167,473	$ 162,767
For capital adequacy purposes, Amount	81,956	76,898
To be well capitalized, Amount	102,445	96,123
Actual, Amount	158,502	154,549
For capital adequacy purposes, Amount	61,467	38,449
To be well capitalized, Amount	81,956	57,674
Actual, Amount	158,502
For capital adequacy purposes, Amount	46,100
To be well capitalized, Amount	66,589
Actual, Amount	158,502	154,549
For capital adequacy purposes, Amount	63,195	61,579
To be well capitalized, Amount	$ 78,993	$ 76,974
Actual, Ratio	16.30%	16.90%
For capital adequacy purposes, Ratio	8.00%	8.00%
To be well capitalized, Ratio	10.00%	10.00%
Actual, Ratio	15.50%	16.10%
For capital adequacy purposes, Ratio	6.00%	4.00%
To be well capitalized, Ratio	8.00%	6.00%
Actual, Ratio	15.50%
For capital adequacy purposes, Ratio	4.50%
To be well capitalized, Ratio	6.50%
Actual, Ratio	10.00%	10.00%
For capital adequacy purposes, Ratio	4.00%	4.00%
To be well capitalized, Ratio	5.00%	5.00%

Fair Value Measurements - Sched

Fair Value Measurements - Schedule of Securities, Real Estate Owned and Impaired Loans Measured at Fair Value (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Investment securities available for sale
Total securities	$ 379,407	$ 383,078
Foreclosed real estate owned	2,480	2,759
Impaired loans	32,303	36,497
Mortgage servicing rights	412	688
Mortgage-Backed Securities [Member]
Investment securities available for sale
Total securities	237,007	265,052
Obligations of States and Political Subdivisions [Member]
Investment securities available for sale
Total securities	51,625	42,771
U.S. Government Agency Securities [Member]
Investment securities available for sale
Total securities	46,186	47,630
Corporate Obligations [Member]
Investment securities available for sale
Total securities	22,360	13,328
Trust-Preferred Securities [Member]
Investment securities available for sale
Total securities	1,711	5,621
Other Debt Securities [Member]
Investment securities available for sale
Total securities	20,493	6,651
Equity Securities [Member]
Investment securities available for sale
Total securities	25	2,025
Level I [Member]
Investment securities available for sale
Total securities	25	2,025
Level I [Member] | Equity Securities [Member]
Investment securities available for sale
Total securities	25	2,025
Level II [Member]
Investment securities available for sale
Total securities	375,171	378,823
Level II [Member] | Mortgage-Backed Securities [Member]
Investment securities available for sale
Total securities	237,007	265,052
Level II [Member] | Obligations of States and Political Subdivisions [Member]
Investment securities available for sale
Total securities	51,625	42,771
Level II [Member] | U.S. Government Agency Securities [Member]
Investment securities available for sale
Total securities	46,186	47,630
Level II [Member] | Corporate Obligations [Member]
Investment securities available for sale
Total securities	20,360	13,328
Level II [Member] | Trust-Preferred Securities [Member]
Investment securities available for sale
Total securities		3,891
Level II [Member] | Other Debt Securities [Member]
Investment securities available for sale
Total securities	19,993	6,151
Level III [Member]
Investment securities available for sale
Total securities	4,211	2,230
Foreclosed real estate owned	2,480	2,759
Impaired loans	32,303	36,497
Mortgage servicing rights	412	688
Level III [Member] | Corporate Obligations [Member]
Investment securities available for sale
Total securities	2,000
Level III [Member] | Trust-Preferred Securities [Member]
Investment securities available for sale
Total securities	1,711	1,730
Level III [Member] | Other Debt Securities [Member]
Investment securities available for sale
Total securities	$ 500	$ 500

Fair Value Measurements - Sc112

Fair Value Measurements - Schedule of Changes in Fair Value of Level III Investments (Detail) - Level III [Member] - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Beginning balance	$ 2,230	$ 1,800
Purchases, sales, issuances, settlements, net	2,000
Total unrealized gain:
Included in earnings	0	0
Included in other comprehensive income	(19)	(57)
Transfers in and/or out of Level III		487
Ending balance	$ 4,211	$ 2,230

Fair Value Measurements - Addit

Fair Value Measurements - Additional Information (Detail)	12 Months Ended
	Sep. 30, 2015USD ($)Loans	Sep. 30, 2014USD ($)Loans	Sep. 30, 2013USD ($)
Fair Value Disclosures [Abstract]
Number of impaired loans | Loans	227	264
Impaired loans, carrying value	$ 32,900,000	$ 37,000,000
Impaired loans, valuation allowance	568,000	468,000
Impaired loans, net fair value	32,300,000	36,500,000
Fair value consists of the loan receivable	32,900,000	37,000,000
Impaired financing valuation allowances	$ 568,000	$ 468,000	$ 819,000

Fair Value Measurements - Summa

Fair Value Measurements - Summary of Additional Quantitative Information about Assets Measured at Fair Value on Nonrecurring Basis (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Estimate	$ 17,507	$ 17,395
Unobservable Input	Prepayment speeds	Prepayment speeds
Fair value input appraisal adjustments	17.90%	18.50%
Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value input appraisal adjustments	5.00%	7.00%
Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value input appraisal adjustments	79.00%	85.00%
Impaired Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Estimate	$ 32,303	$ 36,497
Unobservable Input	Appraisal adjustments	Appraisal adjustments
Fair value input appraisal adjustments	22.30%	23.00%
Impaired Loans [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value input appraisal adjustments	0.00%	0.00%
Impaired Loans [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value input appraisal adjustments	60.00%	35.00%
Foreclosed Real Estate Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Estimate	$ 2,480	$ 2,759
Unobservable Input	Appraisal adjustments	Appraisal adjustments
Fair value input appraisal adjustments	21.30%	21.20%
Foreclosed Real Estate Owned [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value input appraisal adjustments	20.00%	19.00%
Foreclosed Real Estate Owned [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value input appraisal adjustments	46.00%	35.00%
Mortgage Servicing Rights [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Estimate	$ 412	$ 688
Unobservable Input	Discount rate	Discount rate
Fair value input appraisal adjustments	10.10%	9.70%
Mortgage Servicing Rights [Member] | Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value input appraisal adjustments	6.00%	6.00%
Mortgage Servicing Rights [Member] | Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value input appraisal adjustments	11.00%	11.00%
Appraisal of Collateral [Member] | Impaired Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Valuation Techniques	Appraisal of collateral	Appraisal of collateral
Appraisal of Collateral [Member] | Foreclosed Real Estate Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Valuation Techniques	Appraisal of collateral	Appraisal of collateral
Appraisal of Collateral [Member] | Mortgage Servicing Rights [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Valuation Techniques	Discounted cash flow	Discounted cash flow

Fair Value of Financial Inst115

Fair Value of Financial Instruments - Schedule of Fair Values of the Company's Financial Instruments (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Financial assets:
Cash and cash equivalents	$ 18,758	$ 22,301	$ 26,648	$ 15,550
Certificates of deposit	1,750	1,767
Investment and mortgage-backed securities available for sale	379,407	383,078
Loans receivable, net	1,102,118	1,058,267
Loans receivable, net	32,900	37,000
Mortgage servicing rights	412	688
Bank-owned life insurance	30,655	29,720
Financial liabilities:
Deposits	1,096,754	1,133,889
Short-term borrowings	91,339	108,020
Other borrowings	229,101	151,300
Advances by borrowers for taxes and insurance	4,273	4,093
Level I [Member]
Financial assets:
Investment and mortgage-backed securities available for sale	25	2,025
Level II [Member]
Financial assets:
Investment and mortgage-backed securities available for sale	375,171	378,823
Level III [Member]
Financial assets:
Investment and mortgage-backed securities available for sale	4,211	2,230
Mortgage servicing rights	412	688
Carrying Value [Member]
Financial assets:
Cash and cash equivalents	18,758	22,301
Certificates of deposit	1,750	1,767
Investment and mortgage-backed securities available for sale	379,407	383,078
Loans receivable, net	1,102,118	1,058,267
Accrued interest receivable	5,068	5,061
Regulatory stock	13,831	14,284
Mortgage servicing rights	412	688
Bank-owned life insurance	30,655	29,720
Financial liabilities:
Deposits	1,096,754	1,133,889
Short-term borrowings	91,339	108,020
Other borrowings	229,101	151,300
Advances by borrowers for taxes and insurance	4,273	4,093
Accrued interest payable	866	831
Estimated Fair Value [Member]
Financial assets:
Cash and cash equivalents	18,758	22,301
Certificates of deposit	1,774	1,785
Investment and mortgage-backed securities available for sale	379,407	383,078
Loans receivable, net	1,123,436	1,077,585
Accrued interest receivable	5,068	5,061
Regulatory stock	13,831	14,284
Mortgage servicing rights	412	688
Bank-owned life insurance	30,655	29,720
Financial liabilities:
Deposits	1,100,677	1,135,812
Short-term borrowings	91,339	108,020
Other borrowings	230,255	151,617
Advances by borrowers for taxes and insurance	4,273	4,093
Accrued interest payable	866	831
Estimated Fair Value [Member] | Level I [Member]
Financial assets:
Cash and cash equivalents	18,758	22,301
Investment and mortgage-backed securities available for sale	25	2,025
Accrued interest receivable	5,068	5,061
Regulatory stock	13,831	14,284
Bank-owned life insurance	30,655	29,720
Financial liabilities:
Deposits	500,427	526,876
Short-term borrowings	91,339	108,020
Advances by borrowers for taxes and insurance	4,273	4,093
Accrued interest payable	866	831
Estimated Fair Value [Member] | Level II [Member]
Financial assets:
Investment and mortgage-backed securities available for sale	375,171	378,823
Estimated Fair Value [Member] | Level III [Member]
Financial assets:
Certificates of deposit	1,774	1,785
Investment and mortgage-backed securities available for sale	4,211	2,230
Loans receivable, net	1,123,436	1,077,585
Mortgage servicing rights	412	688
Financial liabilities:
Deposits	600,250	608,936
Other borrowings	$ 230,255	$ 151,617

Subsequent Events - Additional

Subsequent Events - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Business Acquisition [Line Items]
Total assets	$ 1,606,544	$ 1,574,815
Total loans	1,102,118	1,058,267
Total deposits	1,096,754	$ 1,133,889
ESSA Bancorp Inc and Eagle National Bancorp Inc [Member]
Business Acquisition [Line Items]
Share price for cash out of stock options	24,700
Total assets	1,800,000
Total loans	1,200,000
Total deposits	$ 1,300,000
ESSA Bancorp Inc and Eagle National Bancorp Inc [Member] | Merger Agreement [Member]
Business Acquisition [Line Items]
Cash paid per share	$ 5.80
Number of outstanding shares	4,250,820

Subsequent Events - Pro Forma S

Subsequent Events - Pro Forma Selected Balance Sheets Items (Detail) - ESSA Bancorp Inc and Eagle National Bancorp Inc [Member] - USD ($)	Sep. 30, 2015	Sep. 30, 2014
ASSETS
Cash and due from financial institutions	$ 11,530	$ 27,278
Securities available for sale	418,814	416,251
Loans, net of allowance	1,227,591	1,187,475
Premises and equipment, net	17,191	17,790
LIABILITIES
Total deposits	1,254,275	1,297,996
Federal Home Loan Bank advances	320,440	259,320
Securities sold under agreements to repurchase	1,052	1,605
SHAREHOLDERS' EQUITY
Total shareholders' equity	$ 171,280	$ 167,309

Subsequent Events - Pro Forma C

Subsequent Events - Pro Forma Condensed Income Statement (Detail) - ESSA Bancorp Inc Eagle National Bancorp Inc and Franklin Security Bancorp Inc [Member] - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Business Acquisition [Line Items]
Net interest income	$ 50,238	$ 49,734
Total noninterest income	8,628	8,298
Net income	$ 9,804	$ 7,706
Earnings per share, basic	$ 0.94	$ 0.71
Earnings per share, diluted	$ 0.93	$ 0.71

Accumulated Other Comprehens119

Accumulated Other Comprehensive Income (Loss) - Activity in Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Schedule of Available-for-sale Securities [Line Items]
Beginning balance, Accumulated Other Comprehensive Income/(Loss)				$ (2,579)				$ (1,235)	$ (2,579)	$ (1,235)
Other comprehensive income before reclassifications									2,799	798
Amounts reclassified from accumulated other comprehensive loss									(2,615)	(2,142)
Total other comprehensive income (loss)									184	(1,344)	$ (2,993)
Ending balance, Accumulated Other Comprehensive Income/(Loss)	$ (2,395)				$ (2,579)				(2,395)	(2,579)	(1,235)
Gain on sale of investments, net									786	333	749
Income taxes	636	$ 618	$ 848	852	745	$ 976	$ 554	616	2,954	2,891	2,834
Reclassification Out of Accumulated Other Comprehensive Income (Loss) [Member]
Schedule of Available-for-sale Securities [Line Items]
Net of tax									2,615	2,142
Defined Benefit Pension Plan [Member]
Schedule of Available-for-sale Securities [Line Items]
Beginning balance, Accumulated Other Comprehensive Income/(Loss)				(3,228)				(1,306)	(3,228)	(1,306)
Amounts reclassified from accumulated other comprehensive loss									(2,097)	(1,922)
Total other comprehensive income (loss)									(2,097)	(1,922)
Ending balance, Accumulated Other Comprehensive Income/(Loss)	(5,325)				(3,228)				(5,325)	(3,228)	(1,306)
Defined Benefit Pension Plan [Member] | Reclassification Out of Accumulated Other Comprehensive Income (Loss) [Member]
Schedule of Available-for-sale Securities [Line Items]
Income taxes									(1,080)	(990)
Net of tax									2,097	1,922
Compensation and employee benefits									3,177	2,912
Unrealized Gains (Losses) on Securities Available for Sale [Member]
Schedule of Available-for-sale Securities [Line Items]
Beginning balance, Accumulated Other Comprehensive Income/(Loss)				$ 649				$ 71	649	71
Other comprehensive income before reclassifications									2,799	798
Amounts reclassified from accumulated other comprehensive loss									(518)	(220)
Total other comprehensive income (loss)									2,281	578
Ending balance, Accumulated Other Comprehensive Income/(Loss)	$ 2,930				$ 649				2,930	649	$ 71
Unrealized Gains (Losses) on Securities Available for Sale [Member] | Reclassification Out of Accumulated Other Comprehensive Income (Loss) [Member]
Schedule of Available-for-sale Securities [Line Items]
Gain on sale of investments, net									786	333
Income taxes									(268)	(113)
Net of tax									$ 518	$ 220

Accumulated Other Comprehens120

Accumulated Other Comprehensive Income (Loss) - Activity in Accumulated Other Comprehensive Income (Loss) (Parenthetical) (Detail)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Equity [Abstract]
Related income tax expense or benefit	34.00%	34.00%	34.00%

Parent Company - Condensed Bala

Parent Company - Condensed Balance Sheet (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
ASSETS
Cash and due from banks	$ 15,905	$ 20,884
Certificates of deposit	1,750	1,767
Investment securities available for sale	379,407	383,078
Premises and equipment, net	16,553	16,957
Other assets	17,825	21,000
TOTAL ASSETS	1,606,544	1,574,815
LIABILITIES AND STOCKHOLDERS' EQUITY
Other liabilities	13,797	10,204
Stockholders' equity	171,280	167,309	$ 166,446	$ 175,411
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	1,606,544	1,574,815
Parent Company [Member]
ASSETS
Cash and due from banks	2,258	758
Certificates of deposit		17
Investment securities available for sale	25	25
Investment in subsidiary	167,112	164,694
Premises and equipment, net	1,144	1,127
Other assets	801	784
TOTAL ASSETS	171,340	167,405
LIABILITIES AND STOCKHOLDERS' EQUITY
Other liabilities	60	96
Stockholders' equity	171,280	167,309
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 171,340	$ 167,405

Parent Company - Condensed Stat

Parent Company - Condensed Statement of Income (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
INCOME
Interest income	$ 10,726	$ 11,011	$ 11,002	$ 11,050	$ 10,623	$ 11,097	$ 8,938	$ 9,491	$ 43,789	$ 40,149	$ 39,845
Net gains on sale of investments									786	333	749
EXPENSES
Professional fees									1,983	1,883	1,868
Other									3,804	3,038	2,746
Total noninterest expense	9,442	9,359	9,098	8,966	9,085	9,095	7,884	7,748	36,865	33,811	32,462
Income before income tax expense	2,942	3,075	3,280	3,448	3,117	3,602	2,056	2,620
Income tax benefit	636	618	848	852	745	976	554	616	2,954	2,891	2,834
NET INCOME	$ 2,306	$ 2,457	$ 2,432	$ 2,596	$ 2,372	$ 2,626	$ 1,502	$ 2,004	9,791	8,504	8,823
COMPREHENSIVE INCOME									9,975	7,160	5,830
Parent Company [Member]
INCOME
Interest income									376	381	408
Net gains on sale of investments											30
Dividends									8,000	27,000	15,000
Total income									8,376	27,381	15,438
EXPENSES
Professional fees									755	1,091	505
Other									64	453	527
Total noninterest expense									819	1,544	1,032
Income before income tax expense									7,557	25,837	14,406
Income tax benefit									(118)	(905)
Income before equity in undistributed net earnings of subsidiary									7,675	26,742	14,406
Equity in undistributed net earnings of subsidiary									2,116	(18,238)	(5,583)
NET INCOME									9,791	8,504	8,823
COMPREHENSIVE INCOME									$ 9,975	$ 7,160	$ 5,830

Parent Company - Condensed S123

Parent Company - Condensed Statement of Cash Flows (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
OPERATING ACTIVITIES
Net income	$ 2,306	$ 2,457	$ 2,432	$ 2,596	$ 2,372	$ 2,626	$ 1,502	$ 2,004	$ 9,791	$ 8,504	$ 8,823
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for depreciation									1,326	1,261	1,145
Net gains on sale of investments									(786)	(333)	(749)
Decrease in accrued interest receivable									(7)	(648)	544
Deferred federal income taxes									784	1,386	1,188
Other, net									3,314	1,047	(812)
Net cash provided by operating activities									19,336	14,468	23,194
INVESTING ACTIVITIES
Certificate of deposit maturities									267
Business acquisitions										(15,174)
Purchase of premises, equipment and software									(878)	(677)	(806)
Proceeds from principal repayment, maturities, and sales									60,241	40,948	95,919
Net cash (used for) provided by investing activities									(40,366)	(9,705)	34,229
FINANCING ACTIVITIES
Repayment of trust-preferred debt									(13,300)	(63,887)	(90,000)
Purchase of treasury stock shares									(3,132)	(4,216)	(14,501)
Dividends on common stock									(3,546)	(2,800)	(2,295)
Net cash provided by (used) for financing activities									17,487	(9,110)	(46,325)
Increase (decrease) in cash									(3,543)	(4,347)	11,098
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR				22,301				26,648	22,301	26,648	15,550
CASH AND CASH EQUIVALENTS AT END OF YEAR	18,758				22,301				18,758	22,301	26,648
Parent Company [Member]
OPERATING ACTIVITIES
Net income									9,791	8,504	8,823
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed net earnings of subsidiary									(2,116)	18,238	5,583
Provision for depreciation									24
Net gains on sale of investments											(30)
(Decrease) increase in accrued income taxes									40	(888)	(12)
Decrease in accrued interest receivable									8	8	8
Deferred federal income taxes									(3)	1,480	(29)
Other, net									458	(634)	798
Net cash provided by operating activities									8,202	26,708	15,141
INVESTING ACTIVITIES
Certificate of deposit maturities									17
Business acquisitions										(15,174)
Purchase of premises, equipment and software									(41)
Proceeds from principal repayment, maturities, and sales											1,200
Net cash (used for) provided by investing activities									(24)	(15,174)	1,200
FINANCING ACTIVITIES
Repayment of trust-preferred debt										(6,955)
Purchase of treasury stock shares									(3,132)	(4,216)	(14,501)
Dividends on common stock									(3,546)	(2,800)	(2,295)
Net cash provided by (used) for financing activities									(6,678)	(13,971)	(16,796)
Increase (decrease) in cash									1,500	(2,437)	(455)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR				$ 758				$ 3,195	758	3,195	3,650
CASH AND CASH EQUIVALENTS AT END OF YEAR	$ 2,258				$ 758				$ 2,258	$ 758	$ 3,195

Selected Quarterly Data (Una124

Selected Quarterly Data (Unaudited) - Summary of Selected Quarterly Data (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Quarterly Financial Information Disclosure [Abstract]
Total interest income	$ 13,323	$ 13,568	$ 13,580	$ 13,708	$ 13,286	$ 13,785	$ 11,523	$ 12,182	$ 54,179	$ 50,776	$ 51,102
Total interest expense	2,597	2,557	2,578	2,658	2,663	2,688	2,585	2,691	10,390	10,627	11,257
Net interest income	10,726	11,011	11,002	11,050	10,623	11,097	8,938	9,491	43,789	40,149	39,845
Provision for loan losses	575	525	525	450	350	500	750	750	2,075	2,350	3,750
Net interest income after provision for loan losses	10,151	10,486	10,477	10,600	10,273	10,597	8,188	8,741	41,714	37,799	36,095
Total noninterest income	2,233	1,948	1,901	1,814	1,929	2,100	1,752	1,627	7,896	7,407	8,024
Total noninterest expense	9,442	9,359	9,098	8,966	9,085	9,095	7,884	7,748	36,865	33,811	32,462
Income before income tax expense	2,942	3,075	3,280	3,448	3,117	3,602	2,056	2,620
Income taxes expense (benefit)	636	618	848	852	745	976	554	616	2,954	2,891	2,834
NET INCOME	$ 2,306	$ 2,457	$ 2,432	$ 2,596	$ 2,372	$ 2,626	$ 1,502	$ 2,004	$ 9,791	$ 8,504	$ 8,823
Net income
Basic	$ 0.22	$ 0.24	$ 0.23	$ 0.25	$ 0.22	$ 0.24	$ 0.14	$ 0.18	$ 0.94	$ 0.79	$ 0.76
Diluted	$ 0.22	$ 0.23	$ 0.23	$ 0.25	$ 0.22	$ 0.24	$ 0.14	$ 0.18	$ 0.93	$ 0.79	$ 0.76
Average shares outstanding
Basic	10,426,195	10,431,461	10,442,310	10,516,097	10,672,848	10,837,592	10,859,519	10,890,156	10,454,456	10,817,430	11,559,554
Diluted	10,550,243	10,565,123	10,521,147	10,516,097	10,687,163	10,837,592	10,859,703	10,906,229	10,543,130	10,820,915	11,559,554

Acquisitions - Additional Infor

Acquisitions - Additional Information (Detail)	12 Months Ended
	Sep. 30, 2015USD ($)Branch
Business Acquisition [Line Items]
Number of branches acquired | Branch	2
FNCB Branch [Member]
Business Acquisition [Line Items]
Date of acquisition	Jan. 24, 2014
Number of branches acquired | Branch	1
Total purchase price related to acquisition	$ 4,640,000
Loan portfolio without evidence of deterioration	1,000,000
Fair value of loan portfolio	$ 1,000,000
Franklin Security Bancorp, Inc. [Member]
Business Acquisition [Line Items]
Date of acquisition	Apr. 4, 2014
Total purchase price related to acquisition	$ 15,698,000
Loan portfolio without evidence of deterioration	155,300,000
Fair value of loan portfolio	152,200,000
Purchased impaired loans	$ 0

Acquisitions - Condensed Statem

Acquisitions - Condensed Statement Reflecting Values Assigned to Net Assets (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Net assets acquired:
Goodwill resulting from FNCB purchase	$ 10,259	$ 10,259	$ 8,817
FNCB Branch [Member]
Business Acquisition [Line Items]
Total purchase price	4,640
Net assets acquired:
Cash	11
Loans receivable	1,033
Premises and equipment, net	1,626
Certificates of deposits	(3,069)
Deposits other than certificates of deposits	(5,683)
Gain resulting from Franklin Security Bancorp, Inc. acquisition	(6,082)
Goodwill resulting from FNCB purchase	1,442
Franklin Security Bancorp, Inc. [Member]
Business Acquisition [Line Items]
Total purchase price	15,698
Net assets acquired:
Cash	19,825
Investments available for sale	55,901
Loans receivable	152,188
Regulatory stock	1,569
Premises and equipment, net	176
Foreclosed real estate	436
Intangible assets	889
Deferred tax assets	1,031
Other assets	2,504
Certificates of deposits	(90,869)
Deposits other than certificates of deposits	(71,317)
Borrowings	(30,177)
Other liabilities	(2,265)
Gain resulting from Franklin Security Bancorp, Inc. acquisition	$ 241