Timberland Bancorp (TSBK) 10-Q 8 May 20 2020 Q2 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	6 Months Ended
	Mar. 31, 2020	Apr. 30, 2020
Document and Entity Information
Entity Registrant Name	TIMBERLAND BANCORP INC,
Entity Central Index Key	0001046050
Current Fiscal Year End Date	--09-30
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 31, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Interactive Data Current	Yes
Entity Common Stock, Shares Outstanding		8,309,193
Entity Current Reporting Status	Yes

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Cash and cash equivalents:
Cash and due from financial institutions	$ 22,862	$ 25,179	[1]
Interest-bearing deposits in banks	145,286	117,836	[1]
Total cash and cash equivalents	168,148	143,015	[1]
Certificates of deposit (“CDs”) held for investment (at cost, which approximates fair value)	82,472	78,346	[1]
Investment securities held to maturity, at amortized cost (estimated fair value $38,332 and $32,580)	36,667	31,102	[1]
Investment securities available for sale, at fair value	41,470	22,532	[1]
Investments in equity securities, at fair value	969	958
Federal Home Loan Bank of Des Moines (“FHLB”) stock	1,922	1,437	[1]
Other investments, at cost	3,000	3,000	[1]
Loans held for sale	5,798	6,071	[1]
Loans receivable, net of allowance for loan losses of $11,890 and $9,690	907,657	886,662	[1]
Premises and equipment, net	23,072	22,830	[1]
Other real estate owned (“OREO”) and other repossessed assets, net	1,623	1,683	[1]
Accrued interest receivable	3,595	3,598	[1]
Bank owned life insurance (“BOLI”)	21,299	21,005	[1]
Goodwill	15,131	15,131	[1]
Core deposit intangible (“CDI”), net	1,828	2,031
Servicing rights, net	2,724	2,408	[1]
Operating lease right-of-use (ROU) assets	2,759	0	[1]
Other assets	2,967	5,323	[1]
Total assets	1,323,101	1,247,132	[1]
Deposits:
Non-interest-bearing demand	316,328	296,472	[1]
Interest-bearing	809,320	771,755	[1]
Total deposits	1,125,648	1,068,227	[1]
FHLB borrowings	10,000	0	[1]
Operating lease liabilities	2,759	0
Other liabilities and accrued expenses	6,686	7,838	[1]
Total liabilities	1,145,093	1,076,065	[1]
Shareholders’ equity
Preferred stock, $0.01 par value; 1,000,000 shares authorized; none issued	0	0	[2]
Common stock, $0.01 par value; 50,000,000 shares authorized; 8,309,193 shares issued and outstanding - March 31, 2020 8,329,419 shares issued and outstanding - September 30, 2019	42,258	43,030	[2]
Retained earnings	135,929	127,987	[2]
Accumulated other comprehensive income (loss)	(179)	50	[2]
Total shareholders’ equity	178,008	171,067	[2]
Total liabilities and shareholders’ equity	$ 1,323,101	$ 1,247,132	[2]
[1]	Derived from audited consolidated financial statements.
[2]	Derived from audited consolidated financial statements.

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Statement of Financial Position [Abstract]
Investments securities held to maturity, estimated fair value	$ 38,332	$ 32,580
Allowance for loan losses	$ 11,890	$ 9,690
Preferred stock par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock shares authorized (shares)	1,000,000	1,000,000
Preferred stock shares issued (shares)	0	0
Common stock par value (in dollars per share)	$ 0.01	$ 0.01
Common stock shares authorized (shares)	50,000,000	50,000,000
Common stock shares issued (shares)	8,309,193	8,329,419
Common stock shares outstanding (shares)	8,309,193	8,329,419

Consolidated Statements of Inco

Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Interest and dividend income
Loans receivable and loans held for sale	$ 12,823	$ 12,216	$ 25,587	$ 23,997
Investment securities	489	297	928	575
Dividends from mutual funds, FHLB stock and other investments	35	39	72	78
Interest-bearing deposits in banks and CDs	784	1,289	1,735	2,506
Total interest and dividend income	14,131	13,841	28,322	27,156
Interest expense
Deposits	1,243	1,113	2,432	2,084
FHLB borrowings	8	0	8	0
Total interest expense	1,251	1,113	2,440	2,084
Net interest income	12,880	12,728	25,882	25,072
Provision for loan losses	2,000	0	2,200	0
Net interest income after provision for loan losses	10,880	12,728	23,682	25,072
Non-interest income
Recoveries on investment securities	3	20	106	32
Adjustment for portion of other than temporary impairment (OTTI) transferred from other comprehensive income (loss) (before income taxes)	0	(11)	0	(12)
Net recoveries on investment securities	3	9	106	20
BOLI net earnings	147	1,156	294	1,313
Gain on sales of loans, net	736	288	1,688	675
Servicing income on loans sold	62	117	113	265
Other, net	585	277	887	589
Total non-interest income, net	3,680	3,940	7,618	7,206
Non-interest expense
Salaries and employee benefits	4,621	4,867	9,343	9,473
Premises and equipment	943	993	1,837	1,947
Loss (gain) on sales/dispositions of premises and equipment, net	(3)	8	(102)	8
Advertising	159	175	342	366
OREO and other repossessed assets, net	51	52	50	102
ATM and debit card interchange transaction fees	359	389	799	811
Postage and courier	145	138	279	248
State and local taxes	233	209	449	405
Professional fees	210	184	480	419
Federal Deposit Insurance Corporation (FDIC) insurance	0	97	(27)	171
Loan administration and foreclosure	78	84	167	171
Data processing and telecommunications	515	1,068	1,099	1,681
Deposit operations	274	364	591	658
Amortization of CDI	102	110	203	219
Other	599	539	1,149	1,160
Total non-interest expense, net	8,286	9,277	16,659	17,839
Income before income taxes	6,274	7,391	14,641	14,439
Provision for income taxes	1,225	1,277	2,940	2,710
Net income	$ 5,049	$ 6,114	$ 11,701	$ 11,729
Net income per common share
Basic (in dollars per share)	$ 0.61	$ 0.74	$ 1.40	$ 1.41
Diluted (in dollars per share)	$ 0.60	$ 0.72	$ 1.38	$ 1.39
Weighted average common shares outstanding
Basic (in shares)	8,344,201	8,310,074	8,342,828	8,301,550
Diluted (in shares)	8,456,659	8,464,650	8,465,894	8,461,138
Dividends paid per common share (in dollars per share)	$ 0.2	$ 0.15	$ 0.45	$ 0.38
Deposit Account
Non-interest income
Revenue from contract with customer	$ 1,078	$ 1,190	$ 2,278	$ 2,405
Credit and Debit Card
Non-interest income
Revenue from contract with customer	1,015	857	2,109	1,806
Asset Management
Non-interest income
Revenue from contract with customer	47	39	130	96
Investment Advice
Non-interest income
Revenue from contract with customer	$ 7	$ 7	$ 13	$ 37

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Comprehensive income
Net income	$ 5,049	$ 6,114	$ 11,701	$ 11,729
Unrealized holding gain (loss) on investment securities available for sale, net of income taxes of ($9), $21, ($63) and ($1) respectively	(35)	84	(241)	(2)
Change in OTTI on investment securities held to maturity, net of income taxes:
Adjustments related to other factors for which OTTI was previously recognized, net of income taxes of $0, $1, $0 and $0, respectively	0	3	0	0
Amount reclassified to credit loss for previously recorded market loss, net of income taxes of $0, $2, $0 and $3, respectively	0	9	0	9
Accretion of OTTI on investment securities held to maturity, net of income taxes of $1, $1, $3 and $4, respectively	2	4	12	14
Total other comprehensive income (loss), net of income taxes	(33)	100	(229)	21
Total comprehensive income	$ 5,016	$ 6,214	$ 11,472	$ 11,750

Consolidated Statements of Co_2

Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Unrealized holding loss on investment securities available for sale, tax	$ (9)	$ 21	$ (64)	$ (1)
Adjustments related to other factors for which OTTI was previously recognized, tax	0	1	0	0
Amount reclassified to credit loss for previously recorded market loss, net of income taxes of $0, $2, $0 and $3, respectively	0	2	0	3
Accretion of OTTI on investment securities held to maturity, tax	$ 1	$ 1	$ 3	$ 4

Consolidated Statements of Shar

Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total		Stock Options	Number of Shares	Number of SharesStock Options	Unearned Shares Issued to ESOP	Retained Earnings	Accumulated Other Comprehensive Loss
Balance at beginning of period (in shares) at Sep. 30, 2018				7,401,177
Balance at beginning of period at Sep. 30, 2018	$ 124,657			$ 14,394		$ (133)	$ 110,525	$ (129)	[1]
Balance at beginning of period (in shares) at Sep. 30, 2018				7,401,177
Balance at beginning of period at Sep. 30, 2018	124,657			$ 14,394		(133)	110,525	(129)	[1]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	11,729						11,729
Other comprehensive income (loss)	$ 21							21
Exercise of stock options (in shares)	30,416			30,416
Exercise of stock options	$ 283			$ 283
Common stock dividends	(3,159)						(3,159)
Earned ESOP shares, net of income taxes	434			$ 301		133
Stock option compensation expense			$ 106		$ 106
Common stock issued for business combination (in shares)				904,826
Common stock issued for business combination	28,267			$ 28,267
Balance at end of period (in shares) at Mar. 31, 2019				8,336,419
Balance at end of period at Mar. 31, 2019	162,338			$ 43,351		0	119,032	(45)	[1]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of Accounting Standards Update (ASU) 2016-01							(63)	63
Adoption of Accounting Standards Update (ASU) 2016-01 | Accounting Standards Update 2016-01							(63)
Balance at beginning of period (in shares) at Dec. 31, 2018				8,313,403
Balance at beginning of period at Dec. 31, 2018	156,905			$ 42,951		(67)	114,166	(145)	[1]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	6,114						6,114
Other comprehensive income (loss)	100							100
Exercise of stock options (in shares)				23,016
Exercise of stock options	212			$ 212
Common stock dividends	(1,248)						(1,248)
Earned ESOP shares, net of income taxes	202			$ 135		67
Stock option compensation expense			53		53
Balance at end of period (in shares) at Mar. 31, 2019				8,336,419
Balance at end of period at Mar. 31, 2019	162,338			$ 43,351		0	119,032	(45)	[1]
Balance at beginning of period (in shares) at Sep. 30, 2019				8,329,419
Balance at beginning of period at Sep. 30, 2019	171,067	[2]		$ 43,030		0	127,987	50	[1]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	11,701						11,701
Other comprehensive income (loss)	(229)							(229)
Repurchase of common stock (in shares)				56,601
Repurchase of common stock	$ 1,238			$ 1,238
Exercise of stock options (in shares)	36,375			36,375
Exercise of stock options	$ 374			$ 374
Common stock dividends	(3,759)						(3,759)
Stock option compensation expense			92		92
Balance at end of period (in shares) at Mar. 31, 2020				8,309,193
Balance at end of period at Mar. 31, 2020	178,008			$ 42,258		0	135,929	(179)	[1]
Balance at beginning of period (in shares) at Dec. 31, 2019				8,346,394
Balance at beginning of period at Dec. 31, 2019	175,653			$ 43,246		0	132,553	(146)	[1]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	5,049						5,049
Other comprehensive income (loss)	(33)							(33)
Repurchase of common stock (in shares)				56,601
Repurchase of common stock	1,238			$ 1,238
Exercise of stock options (in shares)				19,400
Exercise of stock options	204			$ 204
Common stock dividends	(1,673)						(1,673)
Stock option compensation expense			$ 46		$ 46
Balance at end of period (in shares) at Mar. 31, 2020				8,309,193
Balance at end of period at Mar. 31, 2020	$ 178,008			$ 42,258		$ 0	$ 135,929	$ (179)	[1]
[1]	All amounts are net of income taxes.
[2]	Derived from audited consolidated financial statements.

Consolidated Statements of Sh_2

Consolidated Statements of Shareholders' Equity (Parentheticals) - $ / shares	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Number of Shares
Common stock dividends (in dollars per share)	$ 0.2	$ 0.15	$ 0.45	$ 0.38

Consolidated Statements of Cash

Consolidated Statements of Cash Flows $ in Thousands	6 Months Ended
	Mar. 31, 2020USD ($)		Mar. 31, 2019USD ($)
Cash flows from operating activities
Net income	$ 11,701		$ 11,729
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	2,200		0
Depreciation	748		790
Accretion of discount on purchased loans	(253)		(388)
Amortization of CDI	203		219
Earned ESOP shares	0		434
Stock option compensation expense	92		106
Net recoveries on investment securities	(106)		(20)
Change in fair value of investments in equity securities	(11)		(20)
Gain on sales of OREO and other repossessed assets, net	(39)		0
Provision for OREO losses	25		23
Gain on sales of loans, net	(1,688)		(675)
(Gain) loss on sales/disposition of premises and equipment, net	102		(8)
Loans originated for sale	(60,097)		(28,879)
Proceeds from sales of loans	62,058		28,271
Amortization of servicing rights	383		311
Valuation adjustment on servicing rights	23		0
BOLI net earnings	(294)		(314)
BOLI death benefit in excess of cash surrender value	0		999
(Decrease) increase in deferred loan origination fees	(104)		219
Net change in accrued interest receivable and other assets, and other liabilities and accrued expenses	457		(1,114)
Net cash provided by operating activities	15,196		9,701
Cash flows from investing activities
Net (increase) decrease in CDs held for investment	(4,126)		526
Proceeds from sale of investment securities available for sale	0		2,332
Purchase of investment securities held to maturity	(9,755)		(10,048)
Purchase of investment securities available for sale	(21,521)		0
Proceeds from maturities and prepayments of investment securities held to maturity	4,412		1,242
Proceeds from maturities and prepayments of investment securities available for sale	2,266		784
Purchase of FHLB stock	485		42
Increase in loans receivable, net	(22,838)		(26,271)
Additions to premises and equipment	(1,195)		(1,360)
Proceeds from sales of premises and equipment	307		0
Cash acquired, net of cash consideration paid in business combination	0		14,284
Escrow deposit for business combination	0		6,900
Proceeds from sales of OREO and other repossessed assets	74		0
Net used in investing activities	(52,861)		(11,653)
Cash flows from financing activities
Net increase in deposits	57,421		30,550
FHLB borrowings	10,000		0
Proceeds from exercise of stock options	374		283
Repurchase of common stock	1,238		0
Payment of dividends	(3,759)		(3,159)
Net cash provided by financing activities	62,798		27,674
Net increase in cash and cash equivalents	25,133		25,722
Cash and cash equivalents, at beginning of period	143,015	[1]	148,864
Cash and cash equivalents, at end of period	168,148
Supplemental disclosure of cash flow information
Income taxes paid	1,988		2,741
Interest paid	2,416		2,053
Supplemental disclosure of non-cash investing activities
Loans transferred to OREO and other repossessed assets	0		91
Other comprehensive (loss) income related to investment securities	(229)		21
Operating lease liabilities arising from recording of ROU assets	2,889		$ 0	[1]
Business Combination (see Note 2)
Fair value of assets acquired	0
Fair value of liabilities assumed	$ 0
[1]	Derived from audited consolidated financial statements.

Summary Of Significant Accounti

Summary Of Significant Accounting Policies	6 Months Ended
	Mar. 31, 2020
Accounting Policies [Abstract]
Summary Of Significant Accounting Policies	SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (a) Basis of Presentation: The accompanying unaudited consolidated financial statements for Timberland Bancorp, Inc. (the "Company") and its wholly-owned subsidiary, Timberland Bank (the "Bank") were prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and with instructions for Form 10-Q and, therefore, do not include all disclosures necessary for a complete presentation of consolidated financial condition, results of operations, and cash flows in conformity with GAAP. However, all adjustments which are, in the opinion of management, necessary for a fair presentation of the interim consolidated financial statements have been included. All such adjustments are of a normal recurring nature. The unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended September 30, 2019 (“2019 Form 10-K”). The unaudited consolidated results of operations for the six months ended March 31, 2020 are not necessarily indicative of the results that may be expected for the entire fiscal year ending September 30, 2020. On October 1, 2018, the Company completed the acquisition of South Sound Bank, a Washington-state chartered bank, headquartered in Olympia, Washington ("South Sound Acquisition"). The Company acquired 100% of the outstanding common stock of South Sound Bank, and South Sound Bank was merged into the Bank. See Note 2 for additional information on the South Sound Acquisition. (b) Principles of Consolidation: The unaudited consolidated financial statements include the accounts of the Company and the Bank, and the Bank’s wholly-owned subsidiary, Timberland Service Corporation. All significant inter-company transactions and balances have been eliminated in consolidation. (c) Operating Segment: The Company has one reportable operating segment which is defined as community banking in western Washington. (d) The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect reported amounts of assets and liabilities, and the disclosure of contingent assets and liabilities, as of the date of the consolidated balance sheets, and the reported amounts of income and expenses during the reporting period. Actual results could differ from those estimates. (e) Certain prior period amounts have been reclassified to conform to the March 31, 2020 presentation with no change to previously reported net income or total shareholders’ equity.

Business Combinations Business

Business Combinations Business Combinations	6 Months Ended
	Mar. 31, 2020
Business Combinations [Abstract]
Business Combinations	BUSINESS COMBINATION On October 1, 2018 , the Company completed the South Sound Acquisition. The primary reason for the acquisition was to expand the Company's presence along Washington State's economically important I-5 corridor. Pursuant to the terms of the merger agreement, South Sound Bank shareholders received 0.746 of a share the Company's common stock and $5.68825 in cash per share of South Sound Bank common stock. The Company issued 904,826 shares of its common stock (valued at $28.27 million based on the Company's closing stock price on September 30, 2018 of $31.24 per share) and paid $6.90 million in cash in the transaction for total consideration paid of $35.17 million . The South Sound Acquisition constitutes a business combination as defined by GAAP, which establishes principles and requirements for how the acquirer in a business combination recognizes and measures in its financial statements the identifiable assets acquired and liabilities assumed. The Company was considered the acquirer in this transaction. Accordingly, the estimates of fair values of the acquired assets, including the identifiable intangible assets, and the assumed liabilities in the South Sound Acquisition were measured and recorded as of October 1, 2018 . The excess of the total consideration paid over the fair value of the net assets acquired was allocated to goodwill. The South Sound Acquisition resulted in $9.48 million of goodwill. The goodwill arising from the transaction consists largely of the synergies and expected economies of scale from combining the operations of the Company and South Sound Bank. This goodwill is not deductible for tax purposes. In most instances, determining the estimated fair values of the acquired assets and assumed liabilities requires the Company to estimate cash flows expected to result from those assets and liabilities and to discount those cash flows at the appropriate rate of interest. Differences may arise between contractually required payments and the expected cash flows at the acquisition date due to items such as estimated credit losses, prepayments or early withdrawal, and other factors. One of the most significant of those determinations relates to the valuation of acquired loans. For such loans, the excess of cash flows expected at acquisition over the estimated fair value is recognized as interest income over the remaining lives of the loans. In accordance with GAAP, there was no carry-over of South Sound Bank's previously established allowance for loan losses. The following table summarizes the fair value of consideration paid, the estimated fair values of assets acquired and liabilities assumed as of the acquisition date, and the resulting goodwill relating to the transaction: At October 1, 2018 Book Value Fair Value Adjustment Estimated Fair Value (Dollars in thousands) Total acquisition consideration $ 35,170 Recognized amounts of identifiable assets acquired and liabilities assumed Identifiable assets acquired: Cash and cash equivalents $ 21,187 $ — 21,187 CDs held for investment 2,973 — 2,973 FHLB stock 205 — 205 Investment securities held to maturity 19,891 (189 ) 19,702 Investment securities available for sale 5,022 — 5,022 Loans receivable 123,627 (2,083 ) 121,544 Premises and equipment 3,225 112 3,337 OREO 25 — 25 Accrued interest receivable 554 — 554 BOLI 2,629 — 2,629 CDI — 2,483 2,483 Servicing rights 285 (4 ) 281 Other assets 1,087 (511 ) 576 Total assets 180,710 (192 ) 180,518 Liabilities assumed: Deposits 151,378 160 151,538 Other liabilities and accrued expenses 3,291 — 3,291 Total liabilities assumed 154,669 160 154,829 Total identifiable net assets acquired $ 26,041 $ (352 ) 25,689 Goodwill recognized $ 9,481 The acquired loan portfolio was valued using Level 3 inputs (see Note 10) and included the use of present value techniques, including cash flow estimates and incorporated assumptions that the Company believes marketplace participants would use in estimating fair values. Credit discounts were included in the determination of the fair value of the loans acquired; therefore, an allowance for loan losses was not recorded at the acquisition date. Acquired loans are evaluated upon acquisition and classified as either purchased credit-impaired ("PCI") or purchased non-credit-impaired. PCI loans reflect credit deterioration since origination such that it is probable at acquisition that the Company will be unable to collect all contractually required payments. The Company determined that PCI loans acquired in the South Sound Acquisition were insignificant. For purchased non-credit-impaired loans, the difference between the fair value and unpaid principal balance of the loan at the acquisition date is amortized or accreted to interest income over the life of the loans. Any subsequent deterioration in credit quality is recognized by recording an allowance for loan losses. CDI represents the future economic benefit of the potential cost savings from acquiring core deposits as part of a business combination compared to the cost of alternative funding sources. CDI is amortized to non-interest expense using an accelerated method based on an estimated runoff of related deposits over a period of ten years. CDI is evaluated for impairment whenever events or changes in circumstances indicate that its carrying amount may not be recoverable, with any changes in estimated useful life accounted for prospectively over the revised remaining life. The operating results of the Company for the three and six months ended March 31, 2020 and 2019 include the operating results produced by the net assets acquired in the South Sound Acquisition since the October 1, 2018 acquisition date. The Company determined that the disclosure requirements related to the amounts of revenues and earnings from the net assets acquired in the South Sound Acquisition since the October 1, 2018 acquisition date is impracticable. The financial activity and operating results of the net assets acquired in the South Sound Acquisition were commingled with the Company's financial activity and operating results as of the acquisition date. During the six months ended March 31, 2020, the Company incurred acquisition-related expenses of $69,000 related to the South Sound Acquisition, of which $67,000 is included in the data processing and telecommunications expense category and $2,000 is included in the professional fees expense category in the accompanying consolidated statement of income. During the six months ended March 31, 2019, the Company incurred acquisition-related expenses of $119,000 related to the South Sound Acquisition, which are included in the professional fees expense category in the accompanying consolidated statement of income.

Investment Securities

Investment Securities	6 Months Ended
	Mar. 31, 2020
Investments [Abstract]
Investment Securities	INVESTMENT SECURITIES Held to maturity and available for sale investment securities have been classified according to management’s intent and were as follows as of March 31, 2020 and September 30, 2019 (dollars in thousands): Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Estimated Fair Value March 31, 2020 Held to maturity Mortgage-backed securities ("MBS"): U.S. government agencies $ 33,407 $ 1,442 $ (33 ) $ 34,816 Private label residential 261 262 (4 ) 519 U.S. Treasury and U.S government agency securities 2,999 — (2 ) 2,997 Total $ 36,667 $ 1,704 $ (39 ) $ 38,332 Available for sale MBS: U.S. government agencies $ 41,661 $ 74 $ (265 ) $ 41,470 Total $ 41,661 $ 74 $ (265 ) $ 41,470 September 30, 2019 Held to maturity MBS: U.S. government agencies $ 27,786 $ 999 $ (2 ) $ 28,783 Private label residential 317 490 (1 ) 806 U.S. Treasury and U.S. government agency securities 2,999 — (8 ) 2,991 Total $ 31,102 $ 1,489 $ (11 ) $ 32,580 Available for sale MBS: U.S. government agencies $ 22,418 $ 114 $ — $ 22,532 Total $ 22,418 $ 114 $ — $ 22,532 Held to maturity and available for sale investment securities with unrealized losses were as follows as of March 31, 2020 (dollars in thousands): Less Than 12 Months 12 Months or Longer Total Estimated Fair Value Gross Unrealized Losses Quantity Estimated Fair Value Gross Unrealized Losses Quantity Estimated Fair Value Gross Unrealized Losses Held to maturity MBS: U.S. government agencies $ 5,110 $ (32 ) 6 $ 45 $ (1 ) 5 $ 5,155 $ (33 ) Private label residential 13 (2 ) 2 11 (2 ) 2 24 (4 ) U.S. Treasury and U.S. government agency securities — — — 2,997 (2 ) 1 2,997 (2 ) Total $ 5,123 $ (34 ) 8 $ 3,053 $ (5 ) 8 $ 8,176 $ (39 ) Available for sale MBS: U.S. government agencies $ 32,116 $ (265 ) 5 $ — $ — — $ 32,116 $ (265 ) Total $ 32,116 $ (265 ) 5 $ — $ — — $ 32,116 $ (265 ) Held to maturity investment securities with unrealized losses were as follows as of September 30, 2019 (dollars in thousands): Less Than 12 Months 12 Months or Longer Total Estimated Fair Value Gross Unrealized Losses Quantity Estimated Fair Value Gross Unrealized Losses Quantity Estimated Fair Value Gross Unrealized Losses Held to maturity MBS: U.S. government agencies $ 291 $ (1 ) 2 $ 76 $ (1 ) 6 $ 367 $ (2 ) Private label residential — — — 23 (1 ) 5 23 (1 ) U.S. Treasury and U.S. government agency securities — — — 2,991 (8 ) 1 2,991 (8 ) Total $ 291 $ (1 ) 2 $ 3,090 $ (10 ) 12 $ 3,381 $ (11 ) The Company has evaluated the investment securities in the above tables and has determined that the decline in their fair value is temporary. The unrealized losses are primarily due to changes in market interest rates and spreads in the market for mortgage-related products. The fair value of these securities is expected to recover as the securities approach their maturity dates and/or as the pricing spreads narrow on mortgage-related securities. The Company has the ability and the intent to hold the investments until the fair value recovers. Furthermore, as of March 31, 2020 , management does not have the intent to sell any of the securities classified as available for sale where the estimated fair value is below the recorded value and believes that it is more likely than not that the Company will not have to sell such securities before a recovery of cost (or recorded value if previously written down). The Company bifurcates OTTI into (1) amounts related to credit losses which are recognized through earnings and (2) amounts related to all other factors which are recognized as a component of other comprehensive income (loss). To determine the component of the gross OTTI related to credit losses, the Company compared the amortized cost basis of the OTTI security to the present value of its revised expected cash flows, discounted using its pre-impairment yield. The revised expected cash flow estimates for individual securities are based primarily on an analysis of default rates, prepayment speeds and third-party analytic reports. Significant judgment by management is required in this analysis that includes, but is not limited to, assumptions regarding the collectability of principal and interest, net of related expenses, on the underlying loans. The following table presents a summary of the significant inputs utilized to measure management’s estimates of the credit loss component on OTTI securities as of March 31, 2020 and 2019: Range Weighted Minimum Maximum Average March 31, 2020 Constant prepayment rate 6.00 % 15.00 % 10.91 % Collateral default rate 1.86 % 22.47 % 10.44 % Loss severity rate — % 16.34 % 4.02 % March 31, 2019 Constant prepayment rate 6.00 % 15.00 % 10.24 % Collateral default rate — % 16.06 % 5.20 % Loss severity rate — % 78.00 % 40.02 % The following table presents the OTTI recoveries for the three and six months ended March 31, 2020 and 2019 (dollars in thousands): Three Months Ended Three Months Ended Held To Maturity Available For Sale Held To Maturity Available For Sale Total recoveries $ 3 $ — $ 20 $ — Adjustment for portion of OTTI transferred from other comprehensive income (loss) before income taxes (1) — — (11 ) — Net recoveries recognized in earnings (2) $ 3 $ — $ 9 $ — Six Months Ended Six Months Ended Held To Maturity Available For Sale Held To Maturity Available For Sale Total recoveries $ 106 $ — $ 32 $ — Adjustment for portion of OTTI transferred from other comprehensive income (loss) before income taxes (1) — — (12 ) — Net recoveries recognized in earnings (2) $ 106 $ — $ 20 $ — _________________ (1) Represents OTTI related to all other factors. (2) Represents OTTI related to credit losses. The following table presents a roll forward of the credit loss component of held to maturity and available for sale debt securities that have been written down for OTTI with the credit loss component recognized in earnings for the six months ended March 31, 2020 and 2019 (dollars in thousands): Six Months Ended March 31, 2020 2019 Beginning balance of credit loss $ 1,071 $ 1,153 Additions: Additional increases to the amount related to credit loss for which OTTI was previously recognized — 12 Subtractions: Realized losses previously recorded as credit losses (60 ) (13 ) Recovery of prior credit loss (106 ) (32 ) Ending balance of credit loss $ 905 $ 1,120 During the six months ended March 31, 2020, the Company recorded a $60,000 net realized loss (as a result of investment securities being deemed worthless) on 19 held to maturity investment securities, all of which had been recognized previously as a credit loss. During the six months ended March 31, 2019, the Company recorded a $13,000 net realized loss (as a result of investment securities being deemed worthless) on 17 held to maturity investment securities, all of which had been recognized previously as a credit loss. The recorded amount of investment securities pledged as collateral for public fund deposits, federal treasury tax and loan deposits, FHLB collateral and other non-profit organization deposits totaled $43.71 million and $18.59 million at March 31, 2020 and September 30, 2019 , respectively. The contractual maturities of debt securities at March 31, 2020 were as follows (dollars in thousands). Expected maturities may differ from scheduled maturities due to the prepayment of principal or call provisions. Held to Maturity Available for Sale Amortized Cost Estimated Fair Value Amortized Cost Estimated Fair Value Due within one year $ 3,004 $ 3,001 $ — $ — Due after one year to five years 164 172 121 121 Due after five years to ten years 5,817 6,282 6,301 6,068 Due after ten years 27,682 28,877 35,239 35,281 Total $ 36,667 $ 38,332 $ 41,661 $ 41,470

Goodwill and CDI

Goodwill and CDI	6 Months Ended
	Mar. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and CDI	GOODWILL AND CDI Goodwill is initially recorded when the purchase price paid in a business combination exceeds the estimated fair value of the net identified tangible and intangible assets acquired and liabilities assumed. Goodwill is presumed to have an indefinite useful life and is analyzed annually for impairment. The Company performs an annual review during the third quarter of each fiscal year, or more frequently if indicators of potential impairment exist, to determine if the recorded goodwill is impaired. For purposes of goodwill impairment testing, the services offered through the Bank and its subsidiary are managed as one strategic unit and represent the Company's only reporting unit. The annual goodwill impairment test begins with a qualitative assessment of whether it is "more likely than not" that the reporting unit's fair value is less than its carrying amount. If an entity concludes that it is not "more likely than not" that the fair value of a reporting unit is less than its carrying amount, it need not perform a two-step impairment test. If the Company's qualitative assessment concluded that it is "more likely than not" that the fair value of its reporting unit is less than its carrying amount, it must perform the two-step impairment test to identify potential goodwill impairment and measure the amount of goodwill impairment loss to be recognized, if any. The first step of the goodwill impairment test compares the estimated fair value of the reporting unit with its carrying amount, or the book value, including goodwill. If the estimated fair value of the reporting unit equals or exceeds its book value, goodwill is considered not impaired, and the second step of the impairment test is unnecessary. The second step, if necessary, measures the amount of goodwill impairment loss to be recognized. The reporting unit must determine fair value for all assets and liabilities, excluding goodwill. The net of the assigned fair value of assets and liabilities is then compared to the book value of the reporting unit, and any excess book value becomes the implied fair value of goodwill. If the carrying amount of the goodwill exceeds the newly calculated implied fair value of goodwill, an impairment loss is recognized in the amount required to write-down the goodwill to the implied fair value. Management's qualitative assessment takes into consideration macroeconomic conditions, industry and market considerations, cost or margin factors, financial performance and share price of the Company's common stock. Based on this assessment, the Company determined that it is not "more likely than not" that the Company's fair value is less than its carrying amount and therefore goodwill was determined not to be impaired at May 31, 2019. A significant amount of judgment is involved in determining if an indicator of goodwill impairment has occurred. Such indicators may include, among others: a significant decline in expected future cash flows; a sustained, significant decline in the Company's stock price and market capitalization; a significant adverse change in legal factors or in the business climate; adverse assessment or action by a regulator; and unanticipated competition. Any change in these indicators could have a significant negative impact on the Company's financial condition, impact the goodwill impairment analysis or cause the Company to perform a goodwill impairment analysis more frequently than once per year. Due to the current market conditions as a result of the COVID-19 pandemic, the Company performed a qualitative assessment of goodwill as of March 31, 2020 and determined that the fair value of the reporting unit more likely than not exceeded the carrying value at March 31, 2020. No assurances can be given, however, that the Company will not record an impairment loss on goodwill in the future. The recorded amount of goodwill at March 31, 2020 and September 30, 2019 remained unchanged at $15.13 million . CDI is evaluated for impairment whenever events or changes in circumstances indicate that its carrying amount may not be recoverable, with any changes in estimated useful life accounted for prospectively over the revised remaining life. As of March 31, 2020, management believes that there have been no events or changes in the circumstances that would indicate a potential impairment of CDI.

Loans Receivable And Allowance

Loans Receivable And Allowance For Loan Losses	6 Months Ended
	Mar. 31, 2020
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Loans Receivable And Allowance For Loan Losses	LOANS RECEIVABLE AND ALLOWANCE FOR LOAN LOSSES Loans receivable at March 31, 2020 are reported net of unamortized discounts totaling $1.13 million . Loans receivable by portfolio segment consisted of the following at March 31, 2020 and September 30, 2019 (dollars in thousands): March 31, September 30, Amount Percent Amount Percent Mortgage loans: One- to four-family (1) $ 125,285 12.4 % $ 132,661 13.4 % Multi-family 81,298 8.1 76,036 7.7 Commercial 444,276 44.1 419,117 42.3 Construction - custom and owner/builder 119,175 11.8 128,848 13.0 Construction - speculative one- to four-family 14,679 1.5 16,445 1.7 Construction - commercial 37,446 3.6 39,566 4.0 Construction - multi-family 34,026 3.4 36,263 3.6 Construction - land development 5,774 0.6 2,404 0.2 Land 29,333 2.9 30,770 3.1 Total mortgage loans 891,292 88.4 882,110 89.0 Consumer loans: Home equity and second mortgage 38,972 3.9 40,190 4.1 Other 3,829 0.4 4,312 0.4 Total consumer loans 42,801 4.3 44,502 4.5 Commercial business loans 73,622 7.3 64,764 6.5 Total loans receivable 1,007,715 100.0 % 991,376 100.0 % Less: Undisbursed portion of construction loans in process 85,474 92,226 Deferred loan origination fees, net 2,694 2,798 Allowance for loan losses 11,890 9,690 100,058 104,714 Loans receivable, net $ 907,657 $ 886,662 _____________________________ (1) Does not include one- to four-family loans held for sale totaling $5,798 and $6,071 at March 31, 2020 and September 30, 2019, respectively. Allowance for Loan Losses The following tables set forth information for the three and six months ended March 31, 2020 and 2019 regarding activity in the allowance for loan losses by portfolio segment (dollars in thousands): Three Months Ended March 31, 2020 Beginning Allowance Provision for (Recapture of) Loan Losses Charge- offs Recoveries Ending Allowance Mortgage loans: One- to four-family $ 1,065 $ 83 $ — $ 1 $ 1,149 Multi-family 499 96 — — 595 Commercial 4,410 1,351 — 1 5,762 Construction – custom and owner/builder 754 (57 ) — — 697 Construction – speculative one- to four-family 248 (44 ) — — 204 Construction – commercial 403 20 — — 423 Construction – multi-family 333 61 — — 394 Construction – land development 48 32 — — 80 Land 654 19 — 5 678 Consumer loans: Home equity and second mortgage 609 47 — — 656 Other 87 (10 ) (1 ) 2 78 Commercial business loans 772 402 — — 1,174 Total $ 9,882 $ 2,000 $ (1 ) $ 9 $ 11,890 Six Months Ended March 31, 2020 Beginning Allowance Provision for (Recapture of) Loan Losses Charge- offs Recoveries Ending Allowance Mortgage loans: One-to four-family $ 1,167 $ (21 ) $ — $ 3 $ 1,149 Multi-family 481 114 — — 595 Commercial 4,154 1,603 — 5 5,762 Construction – custom and owner/builder 755 (63 ) — 5 697 Construction – speculative one- to four-family 212 (8 ) — — 204 Construction – commercial 338 85 — — 423 Construction – multi-family 375 19 — — 394 Construction – land development 67 13 — — 80 Land 697 (29 ) — 10 678 Consumer loans: Home equity and second mortgage 623 33 — — 656 Other 99 (13 ) (11 ) 3 78 Commercial business loans 722 467 (15 ) — 1,174 Total $ 9,690 $ 2,200 $ (26 ) $ 26 $ 11,890 Three Months Ended March 31, 2019 Beginning Allowance Provision for (Recapture of) Loan Losses Charge- offs Recoveries Ending Allowance Mortgage loans: One- to four-family $ 1,159 $ (72 ) $ — $ 67 $ 1,154 Multi-family 449 21 — — 470 Commercial 4,239 (267 ) — 150 4,122 Construction – custom and owner/builder 643 23 — — 666 Construction – speculative one- to four-family 206 43 — — 249 Construction – commercial 386 (2 ) — — 384 Construction – multi-family 209 63 — — 272 Construction – land development 143 101 — — 244 Land 757 (112 ) — 4 649 Consumer loans: Home equity and second mortgage 666 5 (4 ) — 667 Other 101 11 (1 ) 1 112 Commercial business loans 575 186 (9 ) — 752 Total $ 9,533 $ — $ (14 ) $ 222 $ 9,741 Six Months Ended March 31, 2019 Beginning Allowance Provision for (Recapture of) Loan Losses Charge- offs Recoveries Ending Allowance Mortgage loans: One-to four-family $ 1,086 $ 1 $ — $ 67 $ 1,154 Multi-family 433 37 — — 470 Commercial 4,248 (276 ) — 150 4,122 Construction – custom and owner/builder 671 (5 ) — — 666 Construction – speculative one- to four-family 178 71 — — 249 Construction – commercial 563 (179 ) — — 384 Construction – multi-family 135 137 — — 272 Construction – land development 49 195 — — 244 Land 844 (203 ) — 8 649 Consumer loans: Home equity and second mortgage 649 22 (4 ) — 667 Other 117 (4 ) (3 ) 2 112 Commercial business loans 557 204 (9 ) — 752 Total $ 9,530 $ — $ (16 ) $ 227 $ 9,741 The following tables present information on the loans evaluated individually and collectively for impairment in the allowance for loan losses by portfolio segment at March 31, 2020 and September 30, 2019 (dollars in thousands): Allowance for Loan Losses Recorded Investment in Loans Individually Evaluated for Impairment Collectively Evaluated for Impairment Total Individually Evaluated for Impairment Collectively Evaluated for Impairment Total March 31, 2020 Mortgage loans: One- to four-family $ — $ 1,149 $ 1,149 $ 1,426 $ 123,859 $ 125,285 Multi-family — 595 595 — 81,298 81,298 Commercial — 5,762 5,762 3,339 440,937 444,276 Construction – custom and owner/builder — 697 697 — 69,298 69,298 Construction – speculative one- to four-family — 204 204 — 9,507 9,507 Construction – commercial — 423 423 — 25,803 25,803 Construction – multi-family — 394 394 — 18,753 18,753 Construction – land development — 80 80 — 2,265 2,265 Land 25 653 678 193 29,140 29,333 Consumer loans: Home equity and second mortgage — 656 656 581 38,391 38,972 Other — 78 78 11 3,818 3,829 Commercial business loans 64 1,110 1,174 543 73,079 73,622 Total $ 89 $ 11,801 $ 11,890 $ 6,093 $ 916,148 $ 922,241 September 30, 2019 Mortgage loans: One- to four-family $ — $ 1,167 $ 1,167 $ 1,192 $ 131,469 $ 132,661 Multi-family — 481 481 — 76,036 76,036 Commercial — 4,154 4,154 3,190 415,927 419,117 Construction – custom and owner/builder — 755 755 — 75,411 75,411 Construction – speculative one- to four-family — 212 212 — 10,779 10,779 Construction – commercial — 338 338 — 24,051 24,051 Construction – multi-family — 375 375 — 19,256 19,256 Construction – land development — 67 67 — 1,803 1,803 Land 27 670 697 204 30,566 30,770 Consumer loans: Home equity and second mortgage — 623 623 603 39,587 40,190 Other 17 82 99 23 4,289 4,312 Commercial business loans 128 594 722 725 64,039 64,764 Total $ 172 $ 9,518 $ 9,690 $ 5,937 $ 893,213 $ 899,150 The following tables present an analysis of loans by aging category and portfolio segment at March 31, 2020 and September 30, 2019 (dollars in thousands): 30–59 Days Past Due 60-89 Days Past Due Non- Accrual (1) Past Due 90 Days or More and Still Accruing Total Past Due Current Total Loans March 31, 2020 Mortgage loans: One- to four-family $ — $ — $ 941 $ — $ 941 $ 124,344 $ 125,285 Multi-family — — — — — 81,298 81,298 Commercial 91 — 947 — 1,038 443,238 444,276 Construction – custom and owner/builder — — — — — 69,298 69,298 Construction – speculative one- to four- family — — — — — 9,507 9,507 Construction – commercial — — — — — 25,803 25,803 Construction – multi-family — — — — — 18,753 18,753 Construction – land development — — — — — 2,265 2,265 Land — — 193 — 193 29,140 29,333 Consumer loans: Home equity and second mortgage — — 581 — 581 38,391 38,972 Other 1 — 11 — 12 3,817 3,829 Commercial business loans 125 — 543 — 668 72,954 73,622 Total $ 217 $ — $ 3,216 $ — $ 3,433 $ 918,808 $ 922,241 September 30, 2019 Mortgage loans: One- to four-family $ — $ 286 $ 699 $ — $ 985 $ 131,676 $ 132,661 Multi-family — — — — — 76,036 76,036 Commercial 94 218 779 — 1,091 418,026 419,117 Construction – custom and owner/ — — — — — 75,411 75,411 Construction – speculative one- to four- family — — — — — 10,779 10,779 Construction – commercial — — — — — 24,051 24,051 Construction – multi-family — — — — — 19,256 19,256 Construction – land development — — — — — 1,803 1,803 Land 5 193 204 — 402 30,368 30,770 Consumer loans: Home equity and second mortgage 94 — 603 — 697 39,493 40,190 Other — — 23 — 23 4,289 4,312 Commercial business loans — 2 725 — 727 64,037 64,764 Total $ 193 $ 699 $ 3,033 $ — $ 3,925 $ 895,225 $ 899,150 ______________________ (1) Includes non-accrual loans past due 90 days or more and other loans classified as non-accrual. Credit Quality Indicators The Company uses credit risk grades which reflect the Company’s assessment of a loan’s risk or loss potential. The Company categorizes loans into risk grade categories based on relevant information about the ability of borrowers to service their debt such as: current financial information, historical payment experience, credit documentation, public information and current economic trends, among other factors such as the estimated fair value of the collateral. The Company uses the following definitions for credit risk ratings as part of the on-going monitoring of the credit quality of its loan portfolio: Pass: Pass loans are defined as those loans that meet acceptable quality underwriting standards. Watch: Watch loans are defined as those loans that still exhibit acceptable quality, but have some concerns that justify greater attention. If these concerns are not corrected, a potential for further adverse categorization exists. These concerns could relate to a specific condition peculiar to the borrower, its industry segment or the general economic environment. Special Mention: Special mention loans are defined as those loans deemed by management to have some potential weaknesses that deserve management’s close attention. If left uncorrected, these potential weaknesses may result in the deterioration of the payment prospects of the loan. Substandard: Substandard loans are defined as those loans that are inadequately protected by the current net worth and paying capacity of the obligor, or of the collateral pledged. Loans classified as substandard have a well-defined weakness or weaknesses that jeopardize the repayment of the debt. If the weakness or weaknesses are not corrected, there is the distinct possibility that some loss will be sustained. Loss: Loans in this classification are considered uncollectible and of such little value that continuance as bankable assets is not warranted. This classification does not mean that the loan has absolutely no recovery or salvage value, but rather it is not practical or desirable to defer writing off this loan even though partial recovery may be realized in the future. At March 31, 2020 and September 30, 2019 , there were no loans classified as loss. The following tables present an analysis of loans by credit quality indicator and portfolio segment at March 31, 2020 and September 30, 2019 (dollars in thousands): Loan Grades March 31, 2020 Pass Watch Special Substandard Total Mortgage loans: One- to four-family $ 122,490 $ 1,286 $ 557 $ 952 $ 125,285 Multi-family 81,298 — — — 81,298 Commercial 433,461 8,667 668 1,480 444,276 Construction – custom and owner/builder 68,256 1,042 — — 69,298 Construction – speculative one- to four-family 9,507 — — — 9,507 Construction – commercial 25,803 — — — 25,803 Construction – multi-family 18,753 — — — 18,753 Construction – land development 2,133 — — 132 2,265 Land 27,013 1,539 588 193 29,333 Consumer loans: Home equity and second mortgage 38,402 56 — 514 38,972 Other 3,785 33 — 11 3,829 Commercial business loans 72,715 231 79 597 73,622 Total $ 903,616 $ 12,854 $ 1,892 $ 3,879 $ 922,241 September 30, 2019 Mortgage loans: One- to four-family $ 129,748 $ 296 $ 562 $ 2,055 $ 132,661 Multi-family 76,036 — — — 76,036 Commercial 405,165 11,944 683 1,325 419,117 Construction – custom and owner/builder 75,178 233 — — 75,411 Construction – speculative one- to four-family 10,779 — — — 10,779 Construction – commercial 24,051 — — — 24,051 Construction – multi-family 19,256 — — — 19,256 Construction – land development 1,659 — — 144 1,803 Land 28,390 952 1,217 211 30,770 Consumer loans: Home equity and second mortgage 39,364 41 — 785 40,190 Other 4,257 33 — 22 4,312 Commercial business loans 63,669 232 85 778 64,764 Total $ 877,552 $ 13,731 $ 2,547 $ 5,320 $ 899,150 Impaired Loans A loan is considered impaired when it is probable that the Company will be unable to collect all amounts (principal and interest) when due according to the contractual terms of the loan agreement. Smaller balance homogeneous loans, such as residential mortgage loans and consumer loans, may be collectively evaluated for impairment. When a loan has been identified as being impaired, the amount of the impairment is measured by using discounted cash flows, except when, as an alternative, the current estimated fair value of the collateral (reduced by estimated costs to sell, if applicable) or observable market price is used. The valuation of real estate collateral is subjective in nature and may be adjusted in future periods because of changes in economic conditions. Management considers third-party appraisals, as well as independent fair market value assessments from realtors or persons involved in selling real estate, in determining the estimated fair value of particular properties. In addition, as certain of these third-party appraisals and independent fair market value assessments are only updated periodically, changes in the values of specific properties may have occurred subsequent to the most recent appraisals. Accordingly, the amounts of any such potential changes and any related adjustments are generally recorded at the time such information is received. When the estimated net realizable value of the impaired loan is less than the recorded investment in the loan (including accrued interest and net deferred loan origination fees or costs), impairment is recognized by creating or adjusting an allocation of the allowance for loan losses and uncollected accrued interest is reversed against interest income. If ultimate collection of principal is in doubt, all cash receipts on impaired loans are applied to reduce the principal balance. The categories of non-accrual loans and impaired loans overlap, although they are not identical. The following table is a summary of information related to impaired loans by portfolio segment as of March 31, 2020 and for the three and six months then ended (dollars in thousands): Recorded Investment Unpaid Principal Balance (Loan Balance Plus Charge Off) Related Allowance Quarter to Date ("QTD") Average Recorded Investment (1) Year to Date ("YTD") Average Recorded Investment (2) QTD Interest Income Recognized (1) YTD Interest Income Recognized (2) QTD Cash Basis Interest Income Recognized (1) YTD Cash Basis Interest Income Recognized (2) With no related allowance recorded: Mortgage loans: One- to four-family $ 941 $ 984 $ — $ 1,186 $ 1,188 $ 20 $ 25 $ 18 $ 23 Commercial 3,339 3,339 — 3,240 3,223 52 105 42 73 Land 57 111 — 58 60 — — — — Consumer loans: Home equity and second mortgage 581 581 — 581 588 — — — — Other 11 11 — 6 4 — — — — Commercial business loans 144 262 — 164 172 — — — — Subtotal 5,073 5,288 — 5,235 5,235 72 130 60 96 With an allowance recorded: Mortgage loans: One- to four-family 485 485 — 243 162 — — — — Land 136 136 25 138 139 — — — — Consumer loans: Other — — — 6 12 — — — — Commercial business loans 399 399 64 409 451 — — — — Subtotal 1,020 1,020 89 796 764 — — — — Total: Mortgage loans: One- to four-family 1,426 1,469 — 1,429 1,350 20 25 18 23 Commercial 3,339 3,339 — 3,240 3,223 52 105 42 73 Land 193 247 25 196 199 — — — — Consumer loans: Home equity and second mortgage 581 581 — 581 588 — — — — Other 11 11 — 12 16 — — — — Commercial business loans 543 661 64 573 623 — — — — Total $ 6,093 $ 6,308 $ 89 $ 6,031 $ 5,999 $ 72 $ 130 $ 60 $ 96 ______________________________________________ (1) For the three months ended March 31, 2020 . (2) For the six months ended March 31, 2020. Recorded Investment Unpaid Principal Balance (Loan Balance Plus Charge Off) Related Allowance YTD Average Recorded Investment (1) YTD Interest Income Recognized (1) YTD Cash Basis Interest Income Recognized (1) With no related allowance recorded: Mortgage loans: One- to four-family $ 1,192 $ 1,236 $ — $ 1,110 $ 71 $ 62 Commercial 3,190 3,190 — 2,920 227 192 Land 63 126 — 100 3 3 Consumer loans: Home equity and second mortgage 603 603 — 459 — — Commercial business loans 189 291 — 142 30 30 Subtotal 5,237 5,446 — 4,731 331 287 With an allowance recorded: Mortgage loans: Land 141 141 27 246 — — Consumer loans: Other 23 23 17 10 — — Commercial business loans 536 536 128 350 30 30 Subtotal 700 700 172 606 30 30 Total Mortgage loans: One- to four-family 1,192 1,236 — 1,110 71 62 Commercial 3,190 3,190 — 2,920 227 192 Land 204 267 27 346 3 3 Consumer loans: Home equity and second mortgage 603 603 — 459 — — Other 23 23 17 10 — — Commercial business loans 725 827 128 492 60 60 Total $ 5,937 $ 6,146 $ 172 $ 5,337 $ 361 $ 317 _____________________________________________ (1) For the year ended September 30, 2019. A troubled debt restructured loan ("TDR") is a loan for which the Company, for reasons related to a borrower’s financial difficulties, grants a concession to the borrower that the Company would not otherwise consider. Examples of such concessions include, but are not limited to: a reduction in the stated interest rate; an extension of the maturity at an interest rate below current market rates; a reduction in the face amount of the debt; a reduction in the accrued interest; or re-amortizations, extensions, deferrals and renewals. TDRs are considered impaired and are individually evaluated for impairment. TDRs are classified as non-accrual (and considered to be non-performing) unless they have been performing in accordance with modified terms for a period of at least six months. The Company had $3.22 million and $3.27 million in TDRs included in impaired loans at March 31, 2020 and September 30, 2019, respectively, and had no commitments at these dates to lend additional funds on these loans. The allowance for loan losses allocated to TDRs at March 31, 2020 and September 30, 2019 was $47,000 and $56,000 , respectively. There were no TDRs for which there was a payment default within the first 12 months of the modification during the three months ended March 31, 2020. The Coronavirus Aid, Relief, and Economic Security Act of 2020 signed into law on March 27, 2020 ("CARES Act") provided guidance around the modification of loans as a result of the COVID-19 pandemic, which outlined, among other criteria, that short-term modifications made on a good faith basis to borrowers who were current as defined under the CARES Act prior to any relief, are not TDRs. This includes short-term (e.g. six months) modifications such as payment deferrals, fee waivers, extensions of repayment terms, or other delays in payment that are insignificant. Borrowers are considered current under the CARES Act if they are less than 30 days past due on their contractual payments at the time a modification program is implemented. As of March 31, 2020, the Company had approved COVID-19 pandemic related loan modifications for 125 loans aggregating to $79.41 million , or 8.6% of loans receivable. The Company is continuing to make COVID-19 pandemic related modifications for borrowers and as of April 30, 2020, had approved 178 loan modifications aggregating to $125.24 million, or 13.6% of loans receivable balances as of March 31, 2020. The following tables set forth information with respect to the Company’s TDRs by interest accrual status as of March 31, 2020 and September 30, 2019 (dollars in thousands): March 31, 2020 Accruing Non- Accrual Total Mortgage loans: One- to four-family $ 485 $ — $ 485 Commercial 2,392 — 2,392 Land — 136 136 Consumer loans: Home equity and second mortgage — 77 77 Commercial business loans — 130 130 Total $ 2,877 $ 343 $ 3,220 September 30, 2019 Accruing Non- Accrual Total Mortgage loans: One- to four-family $ 493 $ 141 $ 634 Commercial 2,410 — 2,410 Consumer loans: Home equity and second mortgage — 82 82 Commercial business loans — 143 143 Total $ 2,903 $ 366 $ 3,269 There were no new TDRs during the six months ended March 31, 2020 . There was one new TDR during the year ended September 30, 2019. The following table sets forth information with respect to the Company's TDRs, by portfolio segment, during the year ended September 30, 2019 (dollars in thousands): 2019 Number of Contracts Pre-Modification Outstanding Recorded Investment Post- Modification Outstanding Recorded Investment End of Period Balance Home equity and second mortgage loan (1) 1 $ 85 $ 85 $ 82 Total 1 $ 85 $ 85 $ 82 (1) Modification was a result of a reduction in interest rate and monthly payment.

Leases

Leases	6 Months Ended
	Mar. 31, 2020
Leases [Abstract]
Leases	LEASES The Company adopted Accounting Standards Codification ("ASC") 842 ("ASC 842") on October 1, 2019 and began recording operating lease liabilities and operating lease ROU assets on the consolidated balance sheets. The Company has operating leases for three retail bank branch offices. The ROU assets totaled $2.89 million at October 1, 2019. The Company's leases have remaining lease terms of twelve months to eleven years, some of which include options to extend the leases for up to five years. The components of lease cost (included in the premises and equipment expense category in the consolidated statements of income) are as follows for the three and six months ended March 31, 2020 (dollars in thousands): Three Months Ended March 31, 2020 Six Months Ended March 31, 2020 Lease cost: Operating lease cost $ 83 $ 166 Short-term lease cost — — Total lease cost $ 83 166 The following table provides supplemental information to operating leases at or for the three and six months ended March 31, 2020 (dollars in thousands): At or For the Three Months Ended March 31, 2020 At or For the Six Months Ended March 31, 2020 Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 80 $ 158 Weighted average remaining lease term-operating leases 9.7 years 9.7 years Weighted average discount rate-operating leases 2.22 % 2.22 % The Company's leases typically do not contain a discount rate implicit in the lease contract. As an alternative, the weighted average discount rate used to value the future value of lease payments due in calculating the value of the ROU asset and lease liability was determined by utilizing the September 30, 2019 fixed-rate advances issued by the FHLB, for all leases entered into prior to the October 1, 2019 adoption date. Maturities of operating lease liabilities at March 31, 2020 for future fiscal years are as follows (dollars in thousands): Remainder of 2020 $ 159 2021 327 2022 342 2023 310 2024 313 Thereafter 1,639 Total lease payments 3,090 Less imputed interest 331 Total $ 2,759

Net Income Per Common Share

Net Income Per Common Share	6 Months Ended
	Mar. 31, 2020
Earnings Per Share [Abstract]
Net Income Per Common Share	NET INCOME PER COMMON SHARE Basic net income per common share is computed by dividing net income to common shareholders by the weighted average number of common shares outstanding during the period, without considering any dilutive items. Diluted net income per common share is computed by dividing net income to common shareholders by the weighted average number of common shares and common stock equivalents for items that are dilutive, net of shares assumed to be repurchased using the treasury stock method at the average share price for the Company’s common stock during the period. Common stock equivalents arise from the assumed conversion of outstanding stock options to purchase common stock. Shares owned by the Bank’s ESOP that had not been allocated were not considered to be outstanding for the purpose of computing basic and diluted net income per common share. At March 31, 2020 and March 31, 2019 , all shares had been allocated under the Bank's ESOP. Information regarding the calculation of basic and diluted net income per common share for the three and six months ended March 31, 2020 and 2019 is as follows (dollars in thousands, except per share amounts): Three Months Ended March 31, Six Months Ended March 31, 2020 2019 2020 2019 Numerator – net income $ 5,049 $ 6,114 $ 11,701 $ 11,729 Denominator – weighted average common shares outstanding 8,344,201 8,310,074 8,342,828 8,301,550 Basic net income per common share $ 0.61 $ 0.74 $ 1.40 $ 1.41 Diluted net income per common share computation Numerator – net income $ 5,049 $ 6,114 $ 11,701 $ 11,729 Denominator – weighted average common shares outstanding 8,344,201 8,310,074 8,342,828 8,301,550 Effect of dilutive stock options (1) 112,458 154,576 123,066 159,588 Weighted average common shares outstanding - assuming dilution 8,456,659 8,464,650 8,465,894 8,461,138 Diluted net income per common share $ 0.60 $ 0.72 $ 1.38 $ 1.39 ____________________________________________ (1) For the three and six months ended March 31, 2020, average options to purchase 138,362 and 121,497 shares of common stock were outstanding but not included in the computation of diluted net income per share because their effect would have been anti-dilutive. For the three and six months ended March 31, 2019, average options to purchase 102,150 and 102,504 shares of common stock, respectively, were outstanding but not included in the computation of diluted net income per share because their effect would have bee anti-dilutive.

Accumulated Other Comprehensive

Accumulated Other Comprehensive Loss	6 Months Ended
	Mar. 31, 2020
Equity [Abstract]
Accumulated Other Comprehensive Loss	ACCUMULATED OTHER COMPREHENSIVE LOSS The changes in accumulated other comprehensive loss ("AOCI") by component during the three and six months ended March 31, 2020 and 2019 are as follows (dollars in thousands): Three Months Ended March 31, 2020 Changes in fair value of available for sale securities (1) Changes in OTTI on held to maturity securities (1) Total (1) Balance of AOCI at the beginning of period $ (116 ) $ (30 ) $ (146 ) Other comprehensive (loss) income (35 ) 2 (33 ) Balance of AOCI at the end of period $ (151 ) $ (28 ) $ (179 ) Six Months Ended March 31, 2020 Changes in fair value of available for sale securities (1) Changes in OTTI on held to maturity securities (1) Total (1) Balance of AOCI at the beginning of period $ 90 $ (40 ) $ 50 Other comprehensive (loss) income (241 ) 12 (229 ) Balance of AOCI at the end of period $ (151 ) $ (28 ) $ (179 ) Three Months Ended March 31, 2019 Changes in fair value of available for sale securities (1) Changes in OTTI on held to maturity securities (1) Total (1) Balance of AOCI at the beginning of period $ (81 ) $ (64 ) $ (145 ) Other comprehensive income 84 16 100 Balance of AOCI at the end of period $ 3 $ (48 ) $ (45 ) Six Months Ended March 31, 2019 Changes in fair value of available for sale securities (1) Changes in OTTI on held to maturity securities (1) Total (1) Balance of AOCI at the beginning of period $ (58 ) $ (71 ) $ (129 ) Other comprehensive (loss) income (2 ) 23 21 Adoption of ASU 2016-01 $ 63 $ — $ 63 Balance of AOCI at the end of period $ 3 $ (48 ) $ (45 ) __________________________ (1) All amounts are net of income taxes.

Stock Compensation Plans

Stock Compensation Plans	6 Months Ended
	Mar. 31, 2020
Share-based Payment Arrangement, Noncash Expense [Abstract]
Stock Compensation Plans	STOCK COMPENSATION PLANS Under the Company’s 2003 Stock Option Plan, the Company was able to grant options for up to 300,000 shares of common stock to employees, officers, directors and directors emeriti. Under the Company's 2014 Equity Incentive Plan, the Company is able to grant options and awards of restricted stock (with or without performance measures) for up to 352,366 shares of common stock to employees, officers, directors and directors emeriti. Under the Company's 2019 Equity Incentive Plan, which was approved by shareholders on January 28, 2020, the Company is able to grant options and awards or restricted stock (with or without performance measures) for up to 350,000 shares of common stock to employees, officers, directors and directors emeriti. Shares issued may be purchased in the open market or may be issued from authorized and unissued shares. The exercise price of each option equals the fair market value of the Company’s common stock on the date of grant. Generally, options and restricted stock vest in 20% annual installments on each of the five anniversaries from the date of the grant, and options generally have a maximum contractual term of ten years from the date of grant. At March 31, 2020 , there were 37,726 shares of common stock available which may be awarded as options or restricted stock pursuant to future grant under the 2014 Equity Incentive Plan. At March 31, 2020, there were 350,000 shares of common stock available which may be awarded as options or restricted stock pursuant to future grant under the 2019 Equity Incentive Plan. At both March 31, 2020 and 2019, there were no unvested restricted stock awards. There were no restricted stock grants awarded during the six months ended March 31, 2020 and 2019. Stock option activity for the six months ended March 31, 2020 and 2019 is summarized as follows: Six Months Ended Six Months Ended Number of Shares Weighted Average Exercise Price Number of Shares Weighted Average Exercise Price Options outstanding, beginning of period 378,304 $ 18.15 380,820 $ 16.03 Exercised (36,375 ) 10.30 (30,416 ) 9.31 Granted 1,000 26.50 — — Forfeited (8,650 ) 24.84 (3,900 ) 18.63 Options outstanding, end of period 334,279 $ 18.86 346,504 $ 16.59 The weighted average assumptions for options granted during the six months ended March 31, 2020 were as follows: Expected volatility 29 % Expected life (in years) 5 Expected dividend yield 3.36 % Risk free interest rate 1.61 % Grant date fair value per share $ 4.98 The aggregate intrinsic value of options exercised during the six months ended March 31, 2020 and 2019 was $628,000 and $610,000 , respectively. At March 31, 2020 , there were 154,670 unvested options with an aggregate grant date fair value of $584,000 , all of which the Company assumes will vest. The aggregate intrinsic value of unvested options at March 31, 2020 was $222,000 . There were no options vested during the six months ended March 31, 2020 . At March 31, 2019 , there were 169,650 unvested options with an aggregate grant date fair value of $513,000 . There were 23,400 options with an aggregate grant date fair value of $218,000 that vested during the six months ended March 31, 2019 . Additional information regarding options outstanding at March 31, 2020 is as follows: Options Outstanding Options Exercisable Range of Exercise Prices ($) Number Weighted Average Exercise Price Weighted Average Remaining Contractual Life (Years) Number Weighted Average Exercise Price Weighted Average Remaining Contractual Life (Years) $ 4.01 - 4.55 1,000 $ 4.01 1.7 1,000 $ 4.01 1.7 5.86 - 6.00 19,100 5.97 2.6 19,100 5.97 2.6 9.00 37,425 9.00 3.6 37,425 9.00 3.6 10.26 - 10.71 91,064 10.59 5.1 68,914 10.58 5.0 15.67 42,800 15.67 6.5 23,000 15.67 6.5 26.50 - 27.14 46,640 27.13 9.5 — N/A N/A 29.69 53,200 29.69 7.5 21,400 29.69 7.5 31.80 43,050 31.80 8.5 8,770 31.80 8.5 334,279 $ 18.86 6.4 179,609 $ 13.69 5.1 The aggregate intrinsic value of options outstanding at March 31, 2020 and 2019 was $1.41 million and $4.22 million , respectively. As of March 31, 2020, unrecognized compensation cost related to unvested stock options was $510,000 , which is expected to be recognized over a weighted average life of 2.24 years.

Fair Value Measurements

Fair Value Measurements	6 Months Ended
	Mar. 31, 2020
Fair Value Disclosures [Abstract]
Fair Value Measurements	FAIR VALUE MEASUREMENTS Fair value is defined under GAAP as the exchange price that would be received for an asset or paid to transfer a liability (exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. GAAP requires that valuation techniques maximize the use of observable inputs and minimize the use of unobservable inputs. GAAP also establishes a fair value hierarchy which prioritizes the valuation inputs into three broad levels. Based on the underlying inputs, each fair value measurement in its entirety is reported in one of three levels. These levels are: Level 1: Quoted prices (unadjusted) in active markets for identical assets or liabilities that the reporting entity has the ability to access at the measurement date. Level 2: Significant observable inputs other than quoted prices included within Level 1, such as quoted prices for similar (as opposed to identical) assets or liabilities in active markets, quoted prices for identical or similar assets or liabilities in markets that are not active, and inputs other than quoted prices that are observable or can be corroborated by observable market data. Level 3: Significant unobservable inputs that reflect a company’s own assumptions about the assumptions market participants would use in pricing an asset or liability based on the best information available in the circumstances. The Company's assets measured at fair value on a recurring basis consist of investment securities available for sale and investments in equity securities. The estimated fair values of MBS are based upon market prices of similar securities or observable inputs (Level 2). The estimated fair values of mutual funds are based upon quoted market prices (Level 1). The Company had no liabilities measured at fair value on a recurring basis at March 31, 2020 and September 30, 2019. The Company's assets measured at estimated fair value on a recurring basis at March 31, 2020 and September 30, 2019 were as follows (dollars in thousands): March 31, 2020 Estimated Fair Value Level 1 Level 2 Level 3 Total Available for sale investment securities MBS: U.S. government agencies $ — $ 41,470 $ — $ 41,470 Investments in equity securities Mutual funds 969 — — 969 Total $ 969 $ 41,470 $ — $ 42,439 September 30, 2019 Estimated Fair Value Level 1 Level 2 Level 3 Total Available for sale investment securities MBS: U.S. government agencies $ — $ 22,532 $ — $ 22,532 Investments in equity securities Mutual funds 958 — — 958 Total $ 958 $ 22,532 $ — $ 23,490 There were no transfers among Level 1, Level 2 and Level 3 during the six months ended March 31, 2020 and the year ended September 30, 2019 . The Company may be required, from time to time, to measure certain assets and liabilities at fair value on a non-recurring basis in accordance with GAAP. These include assets that are measured at the lower of cost or market value that were recognized at fair value below cost at the end of the period. The Company uses the following methods and significant assumptions to estimate fair value on a non-recurring basis: Impaired Loans : The estimated fair value of impaired loans is calculated using the collateral value method or on a discounted cash flow basis. The specific reserve for collateral dependent impaired loans is based on the estimated fair value of the collateral less estimated costs to sell, if applicable. In some cases, adjustments are made to the appraised values due to various factors including age of the appraisal, age of comparables included in the appraisal and known changes in the market and in the collateral. Such adjustments may be significant and typically result in a Level 3 classification of the inputs for determining fair value. Impaired loans are evaluated on a quarterly basis for additional impairment and adjusted accordingly. Investment Securities Held to Maturity: The estimated fair value of investment securities held to maturity is based upon the assumptions market participants would use in pricing the investment security. Such assumptions include quoted market prices (Level 1), market prices of similar securities or observable inputs (Level 2) and unobservable inputs such as dealer quotes, discounted cash flows or similar techniques (Level 3). OREO and Other Repossessed Assets, net: OREO and other repossessed assets are recorded at estimated fair value less estimated costs to sell. Estimated fair value is generally determined by management based on a number of factors, including third-party appraisals of estimated fair value in an orderly sale. Estimated costs to sell are based on standard market factors. The valuation of OREO and other repossessed assets is subject to significant external and internal judgment (Level 3). The following table summarizes the balances of assets measured at estimated fair value on a non-recurring basis at March 31, 2020 (dollars in thousands): Estimated Fair Value Level 1 Level 2 Level 3 Impaired loans: Mortgage loans: One- to four-family $ — $ — $ 485 Land — — 111 Consumer loans: Commercial business loans — — 335 Total impaired loans — — 931 Investment securities – held to maturity: MBS - private label residential — 15 15 OREO and other repossessed assets — — 1,623 Total $ — $ 15 $ 2,569 The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a non-recurring basis as of March 31, 2020 (dollars in thousands): Estimated Fair Value Valuation Technique(s) Unobservable Input(s) Range Impaired loans $ 931 Market approach Appraised value less estimated selling costs NA OREO and other repossessed assets $ 1,623 Market approach Lower of appraised value or listing price less estimated selling costs NA The following table summarizes the balances of assets measured at estimated fair value on a non-recurring basis at September 30, 2019 (dollars in thousands): Estimated Fair Value Level 1 Level 2 Level 3 Impaired loans: Mortgage loans: Land $ — $ — $ 114 Consumer loans: Other — — 6 Commercial business loans — — 408 Total impaired loans — — 528 Investment securities – held to maturity: MBS - private label residential — 2 — OREO and other repossessed assets — — 1,683 Total $ — $ 2 $ 2,211 The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a non-recurring basis as of September 30, 2019 (dollars in thousands): Estimated Fair Value Valuation Technique(s) Unobservable Input(s) Range Impaired loans $ 528 Market approach Appraised value less estimated selling costs NA OREO and other repossessed assets $ 1,683 Market approach Lower of appraised value or listing price less estimated selling costs NA GAAP requires disclosure of estimated fair values for certain financial instruments. Such estimates are subjective in nature, and significant judgment is required regarding the risk characteristics of various financial instruments at a discrete point in time. Therefore, such estimates could vary significantly if assumptions regarding uncertain factors were to change. In addition, as the Company normally intends to hold the majority of its financial instruments until maturity, it does not expect to realize many of the estimated amounts disclosed. The disclosures also do not include estimated fair value amounts for certain items which are not defined as financial instruments but for which may have significant value. The Company does not believe that it would be practicable to estimate a represented fair value for these types of items as of March 31, 2020 and September 30, 2019. Because GAAP excludes certain items from fair value disclosure requirements, any aggregation of the fair value amounts presented would not represent the underlying value of the Company. Additionally, in accordance with ASU No. 2016-01, which the Company adopted on October 1, 2018 on a prospective basis, the Company uses the exit price notion in calculating the fair values of financial instruments not measured at fair value on a recurring basis. The recorded amounts and estimated fair values of financial instruments were as follows as of March 31, 2020 and September 30, 2019 (dollars in thousands): March 31, 2020 Fair Value Measurements Using: Recorded Amount Estimated Fair Value Level 1 Level 2 Level 3 Financial assets Cash and cash equivalents $ 168,148 $ 168,148 $ 168,148 $ — $ — CDs held for investment 82,472 82,472 82,472 — — Investment securities 78,137 79,803 2,997 76,806 — Investments in equity securities 969 969 969 — — FHLB stock 1,922 1,922 1,922 — — Other investments 3,000 3,000 3,000 — — Loans held for sale 5,798 5,900 5,900 — — Loans receivable, net 907,657 928,886 — — 928,886 Accrued interest receivable 3,595 3,595 3,595 — — Financial liabilities Certificates of deposit 173,201 175,645 — — 175,645 FHLB borrowings 10,000 10,028 — — 10,028 Accrued interest payable 357 357 357 — — September 30, 2019 Fair Value Measurements Using: Recorded Amount Estimated Fair Value Level 1 Level 2 Level 3 Financial assets Cash and cash equivalents $ 143,015 $ 143,015 $ 143,015 $ — $ — CDs held for investment 78,346 78,346 78,346 — — Investment securities 53,634 55,112 3,949 51,163 — Investments in equity securities 958 958 958 — — FHLB stock 1,437 1,437 1,437 — — Other investments 3,000 3,000 3,000 — — Loans held for sale 6,071 6,260 6,260 — — Loans receivable, net 886,662 892,495 — — 892,495 Accrued interest receivable 3,598 3,598 3,598 — — Financial liabilities Certificates of deposit 165,655 166,852 — — 166,852 Accrued interest payable 333 333 333 — —

Recent Accounting Pronouncement

Recent Accounting Pronouncements	6 Months Ended
	Mar. 31, 2020
Accounting Changes and Error Corrections [Abstract]
Recent Accounting Pronouncements	RECENT ACCOUNTING PRONOUNCEMENTS In January 2016, the Financial Accounting Standards Board ("FASB") issued ASU 2016-01, Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities . ASU 2016-01 generally requires equity investments - except those accounted for under the valuation method of accounting or those that result in consolidation of the investee - to be measured at fair value with changes in fair value recognized in net income. However, an entity may choose to measure equity investments that do not have readily determinable fair values at cost minus impairment, if any, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment of the same issuer. ASU 2016-01 is intended to simplify the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment. ASU 2016-01 also eliminates certain disclosures related to the fair value of financial instruments and requires entities to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes. ASU 2016-01 was effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The Company adopted ASU 2016-01 effective October 1, 2018. As required by ASU 2016-01, on October 1, 2018 the Company recorded a one-time cumulative effect adjustment of $63,000 representing net unrealized losses on equity securities (mutual funds) between accumulated other comprehensive loss and retained earnings on the accompanying consolidated balance sheet. Additionally, the fair values of financial instruments for disclosure purposes were computed using an exit price notion and deposits with no stated maturity are no longer included in the fair value disclosures in Note 10. In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842) , which created FASB Accounting Standards Codification ("ASC") Topic 842 ("ASC 842") and is intended to increase transparency and comparability among organizations by requiring the recognition of lease assets and lease liabilities on the balance sheet and disclosure of key information about leasing arrangements. The principal change required by ASC 842 relates to lessee accounting, and is that for operating leases, a lessee is required to (1) recognize a right-of-use asset and a lease liability, initially measured at the present value of the lease payments, in the statement of financial position, (2) recognize a single lease cost, calculated so that the cost of the lease is allocated over the lease term generally on a straight-line basis, and (3) classify all cash payments within operating activities in the statement of cash flows. For leases with a term of 12 months or less, a lessee is permitted to make an accounting policy election by class of underlying asset not to recognize lease assets and lease liabilities. If a lessee makes this election, it should recognize lease expense for such leases generally on a straight-line basis over the lease term. ASC 842 also changes disclosure requirements related to leasing activities and requires certain qualitative disclosures along with specific quantitative disclosures. ASC 842 also provides an optional transition method for adoption, under which an entity initially applies ASC 842 at the adoption date and recognizes a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. Consequently, an entity's reporting for the comparative periods presented in the financial statements in which it adopts ASC 842 will continue to be in accordance with current GAAP. ASC 842 was effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2018. The Company adopted the provisions of ASC 842 effective October 1, 2019 utilizing the optional transition method and will not restate comparative periods. The Company also elected the package of practical expedients permitted under ASC 842's transition guidance, which allows the Company to carryforward its historical lease classifications and its assessment as to whether a contract is or contains a lease. The Company also elected to not recognize lease assets and lease liabilities for leases with an initial term of 12 months or less. As a result of adopting ASC 842, total other assets and other liabilities increased by $2.89 million on October 1, 2019. In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses , as amended by ASU 2018-19, ASU 2019-04 and ASU 2019-05. This ASU replaces the existing incurred losses methodology with a current expected losses methodology with respect to most financial assets measured at amortized cost and certain other instruments, including trade and other receivables, loans, held to maturity investment securities and off-balance sheet commitments. In addition, this ASU requires credit losses relating to available for sale debt securities to be recorded through an allowance for credit losses rather than as a reduction of the carrying amount. ASU 2016-13 also changes the accounting for purchased credit-impaired debt securities and loans. ASU 2016-13 retains many of the current disclosure requirements in GAAP and expands certain disclosure requirements. As a smaller reporting company, ASU 2016-13 is effective for the Company for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. Upon adoption, the Company expects a change in the processes and procedures to calculate the allowance for loan losses, including changes in the assumptions and estimates to consider expected credit losses over the life of the loan versus the current accounting practice that utilizes the incurred loss model. In addition, the current policy for other-than-temporary impairment on investment securities available for sale will be replaced with an allowance approach. The Company is reviewing the requirements of ASU 2016-13 and has begun developing and implementing processes and procedures to ensure it is fully compliant with the amendments at the adoption date. At this time, the Company anticipates the allowance for loan losses will increase as a result of the implementation of this ASU; however, until its evaluation is complete, the magnitude of the increase will be unknown. In January 2017, the FASB issued ASU 2017-04, Intangibles - Goodwill and Other: Simplifying the Test for Goodwill Impairment. This ASU simplifies the subsequent measurement of goodwill and eliminates Step 2 from the goodwill impairment test. In computing the implied fair value of goodwill under Step 2, an entity had to perform procedures to determine the fair value of its assets and liabilities (including unrecognized assets and liabilities) at the impairment testing date following the procedure that would be required in determining the fair value of assets acquired and liabilities assumed in a business combination. Under ASU 2017-04, an entity should perform its annual, or interim, goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. An entity should recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit's fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. Additionally, an entity should consider income tax effects from any tax deductible goodwill on the carrying amount of the reporting unit when measuring the goodwill impairment loss, if applicable. ASU 2017-04 will be effective for annual or interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early application of this ASU is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The adoption of ASU 2017-04 is not expected to have a material impact on the Company's future consolidated financial statements. In March 2017, the FASB issued ASU 2017-08, Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities. This ASU shortens the amortization period for certain callable debt securities held at a premium to the earliest call date. ASU 2017-08 was effective for fiscal years, including interim periods within those fiscal years, beginning after December 15, 2018. The Company adopted ASU 2017-08 effective October 1, 2019 and it did not have a material impact on the Company's consolidated financial statements. In June 2018, the FASB issued ASU 2018-07, Compensation - Stock Compensation (Topic 718): Improvements to Nonemployee Share-Based Payment Accounting. This ASU was issued to expand the scope of Topic 718 to include share-based payment transactions for acquiring goods and services from nonemployees. Previously, these awards were recorded at the fair value of consideration received or the fair value of the equity instruments issued and were measured at the earlier of the commitment date or the date performance was completed. The amendments in this ASU require nonemployee share-based payment awards to be measured at the grant-date fair value of the equity instrument. ASU 2018-07 was effective for fiscal years, including interim periods within those fiscal years, beginning after December 15, 2018. The Company adopted ASU 2018-07 effective October 1, 2019 and it did not have a material impact on the Company's consolidated financial statements. In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework - Changes to the Disclosure Requirements for Fair Value Measurement . This ASU modifies the disclosure requirements for fair value measurements. The following disclosure requirements were removed from ASC Topic 820, Fair Value Measurement : (1) the amount of and reasons for transfers between Level 1 and Level 2 of the fair value hierarchy; (2) the policy for timing of transfers between levels; and (3) the valuation process for Level 3 fair value measurements. This ASU clarifies that the measurement uncertainty disclosure is to communicate information about the uncertainty in measurement as of the reporting date. This ASU adds the following disclosure requirements for Level 3 measurements: (1) changes in unrealized gains and losses for the period included in other comprehensive income for the recurring Level 3 fair value measurements held at the end of the reporting period, and (2) the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements. ASU 2018-13 is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. Early adoption is permitted for any removed or modified disclosures. The adoption of ASU 2018-13 is not expected to have a material impact on the Company's future consolidated financial statements. In August 2018, the FASB issued ASU 2018-15, Intangibles - Goodwill and Other - Internal-Use Software (Subtopic 350-40), Customer's Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That Is a Service Contract. The amendments in this ASU broaden the scope of ASC Subtopic 350-40 to include costs incurred to implement a hosting arrangement that is a service contract. The amendments align the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software (and hosting arrangements that include an internal-use software license). The costs are capitalized or expensed depending on the nature of the costs and the project stage during which they are incurred, consistent with the accounting for internal-use software costs. The amendments in this ASU result in consistent capitalization of implementation costs of a hosting arrangement that is a service contract and implementation costs incurred to develop or obtain internal-use software (and hosting arrangements that include an internal-use software license). The accounting for the service element of a hosting arrangement that is a service contract is not affected by the amendments in this ASU. ASU 2018-15 is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. The adoption of ASU 2018-15 is not expected to have a material impact on the Company's future consolidated financial statements. In December 2019, the FASB issued ASU 2019-12, Income Taxes (Topic 740), Simplifying the Accounting for Income Taxes. The amendments in this ASU simplify the accounting for income taxes by removing certain exceptions to the general principles in Topic 740. The amendments also improve consistent application of and simplify GAAP for other areas of Topic 740 by clarifying and amending existing guidance. ASU 2019-12 is effective for fiscal years beginning after December 15, 2021, including interim periods within fiscal years. The adoption of ASU 2019-12 is not expected to have a material impact on the Company's future consolidated financial statements. In March 2020, the FASB issued ASU No. 2020-04, Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting. This ASU applies to contracts, hedging relationships and other transactions that reference the London Interbank Offered Rate ("LIBOR") or other rate references expected to be discontinued because of reference rate reform. The ASU permits an entity to make necessary modifications to eligible contracts or transactions without requiring contract remeasurement or reassessment of a previous accounting determination. This ASU is effective for all entities as of March 12, 2020 through December 31, 2022. The adoption of ASU 2020-04 is not expected to have a material impact on the Company's future consolidated financial statements.

Revenue from Contracts with Cus

Revenue from Contracts with Customers Revenue from Contracts with Customers	6 Months Ended
	Mar. 31, 2020
Revenue from Contract with Customer [Abstract]
Revenue from Contracts with Customers	REVENUE FROM CONTRACTS WITH CUSTOMERS ASC 606 applies to all contracts with customers to provide goods or services in the ordinary course of business, except for contracts that are specifically excluded from its scope. The majority of the Company's revenues are composed of interest income, deferred loan fee accretion, premium/discount accretion, gains on sales of loans and investments, BOLI net earnings, servicing income on loans sold and other loan fee income, which are not in the scope of ASC 606. Revenue reported as service charges on deposits, ATM and debit card interchange transaction fees, merchant services fees, non-deposit investment fees and escrow fees are within the scope of ASC 606. All of the Company's revenue from contracts with customers in the scope of ASC 606 is recognized in non-interest income with the exception of gains on sale of OREO and gains on sales/disposition of premises and equipment, which are included in non-interest expense. If a contract is determined to be within the scope of ASC 606, the Company recognizes revenue when it satisfies its performance obligation. Descriptions of the Company's revenue-generating activities that are within the scope of ASC 606 are as follows: • Service Charges on Deposits: The Company earns fees from its deposit customers from a variety of deposit products and services. Non-transaction based fees such as account maintenance fees and monthly statement fees are considered to be provided to the customer under a day-to-day contract with ongoing renewals. Revenue for these non-transaction fees are earned over the course of a month, representing the period over which the Company satisfies the performance obligation. Transaction-based fees such as non-sufficient fund charges, stop payment charges and wire fees are recognized at the time the transaction is executed as the contract duration does not extend beyond the service performed. • ATM and Debit Card Interchange Transaction Fees: The Company earns fees from cardholder transactions conducted through third party payment network providers which consist of interchange fees earned from the payment networks as a debit card issuer. These fees are recognized when the transaction occurs, but may settle on a daily or monthly basis. • Escrow Fees: The Company earns fees from real estate escrow contracts with customers. The Company receives and disburses money and/or property per the customer's contract. Fees are recognized when the escrow contract closes. • Fee Income from Non-deposit Investment Sales: The Company earns fees from contracts with customers for investment activities. Revenues are generally recognized on a monthly basis and are generally based on a percentage of the customer's assets under management or based on investment solutions that are implemented for the customer.

Summary Of Significant Accoun_2

Summary Of Significant Accounting Policies (Policies)	6 Months Ended
	Mar. 31, 2020
Accounting Policies [Abstract]
Basis of Presentation	Basis of Presentation: The accompanying unaudited consolidated financial statements for Timberland Bancorp, Inc. (the "Company") and its wholly-owned subsidiary, Timberland Bank (the "Bank") were prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) for interim financial information and with instructions for Form 10-Q and, therefore, do not include all disclosures necessary for a complete presentation of consolidated financial condition, results of operations, and cash flows in conformity with GAAP. However, all adjustments which are, in the opinion of management, necessary for a fair presentation of the interim consolidated financial statements have been included. All such adjustments are of a normal recurring nature. The unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended September 30, 2019 (“2019 Form 10-K”). The unaudited consolidated results of operations for the six months ended March 31, 2020 are not necessarily indicative of the results that may be expected for the entire fiscal year ending September 30, 2020.
Principles of Consolidation	Principles of Consolidation: The unaudited consolidated financial statements include the accounts of the Company and the Bank, and the Bank’s wholly-owned subsidiary, Timberland Service Corporation. All significant inter-company transactions and balances have been eliminated in consolidation.
Operating Segment	Operating Segment: The Company has one reportable operating segment which is defined as community banking in western Washington.
Use of Estimates	The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect reported amounts of assets and liabilities, and the disclosure of contingent assets and liabilities, as of the date of the consolidated balance sheets, and the reported amounts of income and expenses during the reporting period. Actual results could differ from those estimates.
Reclassification	Certain prior period amounts have been reclassified to conform to the March 31, 2020 presentation with no change to previously reported net income or total shareholders’ equity.
Recent Accounting Pronouncements	In January 2016, the Financial Accounting Standards Board ("FASB") issued ASU 2016-01, Financial Instruments - Overall (Subtopic 825-10): Recognition and Measurement of Financial Assets and Financial Liabilities . ASU 2016-01 generally requires equity investments - except those accounted for under the valuation method of accounting or those that result in consolidation of the investee - to be measured at fair value with changes in fair value recognized in net income. However, an entity may choose to measure equity investments that do not have readily determinable fair values at cost minus impairment, if any, plus or minus changes resulting from observable price changes in orderly transactions for the identical or a similar investment of the same issuer. ASU 2016-01 is intended to simplify the impairment assessment of equity investments without readily determinable fair values by requiring a qualitative assessment to identify impairment. ASU 2016-01 also eliminates certain disclosures related to the fair value of financial instruments and requires entities to use the exit price notion when measuring the fair value of financial instruments for disclosure purposes. ASU 2016-01 was effective for fiscal years beginning after December 15, 2017, including interim periods within those fiscal years. The Company adopted ASU 2016-01 effective October 1, 2018. As required by ASU 2016-01, on October 1, 2018 the Company recorded a one-time cumulative effect adjustment of $63,000 representing net unrealized losses on equity securities (mutual funds) between accumulated other comprehensive loss and retained earnings on the accompanying consolidated balance sheet. Additionally, the fair values of financial instruments for disclosure purposes were computed using an exit price notion and deposits with no stated maturity are no longer included in the fair value disclosures in Note 10. In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842) , which created FASB Accounting Standards Codification ("ASC") Topic 842 ("ASC 842") and is intended to increase transparency and comparability among organizations by requiring the recognition of lease assets and lease liabilities on the balance sheet and disclosure of key information about leasing arrangements. The principal change required by ASC 842 relates to lessee accounting, and is that for operating leases, a lessee is required to (1) recognize a right-of-use asset and a lease liability, initially measured at the present value of the lease payments, in the statement of financial position, (2) recognize a single lease cost, calculated so that the cost of the lease is allocated over the lease term generally on a straight-line basis, and (3) classify all cash payments within operating activities in the statement of cash flows. For leases with a term of 12 months or less, a lessee is permitted to make an accounting policy election by class of underlying asset not to recognize lease assets and lease liabilities. If a lessee makes this election, it should recognize lease expense for such leases generally on a straight-line basis over the lease term. ASC 842 also changes disclosure requirements related to leasing activities and requires certain qualitative disclosures along with specific quantitative disclosures. ASC 842 also provides an optional transition method for adoption, under which an entity initially applies ASC 842 at the adoption date and recognizes a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. Consequently, an entity's reporting for the comparative periods presented in the financial statements in which it adopts ASC 842 will continue to be in accordance with current GAAP. ASC 842 was effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2018. The Company adopted the provisions of ASC 842 effective October 1, 2019 utilizing the optional transition method and will not restate comparative periods. The Company also elected the package of practical expedients permitted under ASC 842's transition guidance, which allows the Company to carryforward its historical lease classifications and its assessment as to whether a contract is or contains a lease. The Company also elected to not recognize lease assets and lease liabilities for leases with an initial term of 12 months or less. As a result of adopting ASC 842, total other assets and other liabilities increased by $2.89 million on October 1, 2019. In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses , as amended by ASU 2018-19, ASU 2019-04 and ASU 2019-05. This ASU replaces the existing incurred losses methodology with a current expected losses methodology with respect to most financial assets measured at amortized cost and certain other instruments, including trade and other receivables, loans, held to maturity investment securities and off-balance sheet commitments. In addition, this ASU requires credit losses relating to available for sale debt securities to be recorded through an allowance for credit losses rather than as a reduction of the carrying amount. ASU 2016-13 also changes the accounting for purchased credit-impaired debt securities and loans. ASU 2016-13 retains many of the current disclosure requirements in GAAP and expands certain disclosure requirements. As a smaller reporting company, ASU 2016-13 is effective for the Company for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. Upon adoption, the Company expects a change in the processes and procedures to calculate the allowance for loan losses, including changes in the assumptions and estimates to consider expected credit losses over the life of the loan versus the current accounting practice that utilizes the incurred loss model. In addition, the current policy for other-than-temporary impairment on investment securities available for sale will be replaced with an allowance approach. The Company is reviewing the requirements of ASU 2016-13 and has begun developing and implementing processes and procedures to ensure it is fully compliant with the amendments at the adoption date. At this time, the Company anticipates the allowance for loan losses will increase as a result of the implementation of this ASU; however, until its evaluation is complete, the magnitude of the increase will be unknown. In January 2017, the FASB issued ASU 2017-04, Intangibles - Goodwill and Other: Simplifying the Test for Goodwill Impairment. This ASU simplifies the subsequent measurement of goodwill and eliminates Step 2 from the goodwill impairment test. In computing the implied fair value of goodwill under Step 2, an entity had to perform procedures to determine the fair value of its assets and liabilities (including unrecognized assets and liabilities) at the impairment testing date following the procedure that would be required in determining the fair value of assets acquired and liabilities assumed in a business combination. Under ASU 2017-04, an entity should perform its annual, or interim, goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. An entity should recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit's fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit. Additionally, an entity should consider income tax effects from any tax deductible goodwill on the carrying amount of the reporting unit when measuring the goodwill impairment loss, if applicable. ASU 2017-04 will be effective for annual or interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early application of this ASU is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The adoption of ASU 2017-04 is not expected to have a material impact on the Company's future consolidated financial statements. In March 2017, the FASB issued ASU 2017-08, Receivables - Nonrefundable Fees and Other Costs (Subtopic 310-20): Premium Amortization on Purchased Callable Debt Securities. This ASU shortens the amortization period for certain callable debt securities held at a premium to the earliest call date. ASU 2017-08 was effective for fiscal years, including interim periods within those fiscal years, beginning after December 15, 2018. The Company adopted ASU 2017-08 effective October 1, 2019 and it did not have a material impact on the Company's consolidated financial statements.
Revenue from Contract with Customer	ASC 606 applies to all contracts with customers to provide goods or services in the ordinary course of business, except for contracts that are specifically excluded from its scope. The majority of the Company's revenues are composed of interest income, deferred loan fee accretion, premium/discount accretion, gains on sales of loans and investments, BOLI net earnings, servicing income on loans sold and other loan fee income, which are not in the scope of ASC 606. Revenue reported as service charges on deposits, ATM and debit card interchange transaction fees, merchant services fees, non-deposit investment fees and escrow fees are within the scope of ASC 606. All of the Company's revenue from contracts with customers in the scope of ASC 606 is recognized in non-interest income with the exception of gains on sale of OREO and gains on sales/disposition of premises and equipment, which are included in non-interest expense. If a contract is determined to be within the scope of ASC 606, the Company recognizes revenue when it satisfies its performance obligation. Descriptions of the Company's revenue-generating activities that are within the scope of ASC 606 are as follows: • Service Charges on Deposits: The Company earns fees from its deposit customers from a variety of deposit products and services. Non-transaction based fees such as account maintenance fees and monthly statement fees are considered to be provided to the customer under a day-to-day contract with ongoing renewals. Revenue for these non-transaction fees are earned over the course of a month, representing the period over which the Company satisfies the performance obligation. Transaction-based fees such as non-sufficient fund charges, stop payment charges and wire fees are recognized at the time the transaction is executed as the contract duration does not extend beyond the service performed. • ATM and Debit Card Interchange Transaction Fees: The Company earns fees from cardholder transactions conducted through third party payment network providers which consist of interchange fees earned from the payment networks as a debit card issuer. These fees are recognized when the transaction occurs, but may settle on a daily or monthly basis. • Escrow Fees: The Company earns fees from real estate escrow contracts with customers. The Company receives and disburses money and/or property per the customer's contract. Fees are recognized when the escrow contract closes. • Fee Income from Non-deposit Investment Sales: The Company earns fees from contracts with customers for investment activities. Revenues are generally recognized on a monthly basis and are generally based on a percentage of the customer's assets under management or based on investment solutions that are implemented for the customer.

Business Combinations (Tables)

Business Combinations (Tables)	6 Months Ended
	Mar. 31, 2020
Business Combinations [Abstract]
Schedule of Business Acquisitions	The following table summarizes the fair value of consideration paid, the estimated fair values of assets acquired and liabilities assumed as of the acquisition date, and the resulting goodwill relating to the transaction: At October 1, 2018 Book Value Fair Value Adjustment Estimated Fair Value (Dollars in thousands) Total acquisition consideration $ 35,170 Recognized amounts of identifiable assets acquired and liabilities assumed Identifiable assets acquired: Cash and cash equivalents $ 21,187 $ — 21,187 CDs held for investment 2,973 — 2,973 FHLB stock 205 — 205 Investment securities held to maturity 19,891 (189 ) 19,702 Investment securities available for sale 5,022 — 5,022 Loans receivable 123,627 (2,083 ) 121,544 Premises and equipment 3,225 112 3,337 OREO 25 — 25 Accrued interest receivable 554 — 554 BOLI 2,629 — 2,629 CDI — 2,483 2,483 Servicing rights 285 (4 ) 281 Other assets 1,087 (511 ) 576 Total assets 180,710 (192 ) 180,518 Liabilities assumed: Deposits 151,378 160 151,538 Other liabilities and accrued expenses 3,291 — 3,291 Total liabilities assumed 154,669 160 154,829 Total identifiable net assets acquired $ 26,041 $ (352 ) 25,689 Goodwill recognized $ 9,481

Investment Securities (Tables)

Investment Securities (Tables)	6 Months Ended
	Mar. 31, 2020
Investments [Abstract]
Marketable Securities	Held to maturity and available for sale investment securities have been classified according to management’s intent and were as follows as of March 31, 2020 and September 30, 2019 (dollars in thousands): Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Estimated Fair Value March 31, 2020 Held to maturity Mortgage-backed securities ("MBS"): U.S. government agencies $ 33,407 $ 1,442 $ (33 ) $ 34,816 Private label residential 261 262 (4 ) 519 U.S. Treasury and U.S government agency securities 2,999 — (2 ) 2,997 Total $ 36,667 $ 1,704 $ (39 ) $ 38,332 Available for sale MBS: U.S. government agencies $ 41,661 $ 74 $ (265 ) $ 41,470 Total $ 41,661 $ 74 $ (265 ) $ 41,470 September 30, 2019 Held to maturity MBS: U.S. government agencies $ 27,786 $ 999 $ (2 ) $ 28,783 Private label residential 317 490 (1 ) 806 U.S. Treasury and U.S. government agency securities 2,999 — (8 ) 2,991 Total $ 31,102 $ 1,489 $ (11 ) $ 32,580 Available for sale MBS: U.S. government agencies $ 22,418 $ 114 $ — $ 22,532 Total $ 22,418 $ 114 $ — $ 22,532
Unrealized Gain (Loss) on Investments	Held to maturity and available for sale investment securities with unrealized losses were as follows as of March 31, 2020 (dollars in thousands): Less Than 12 Months 12 Months or Longer Total Estimated Fair Value Gross Unrealized Losses Quantity Estimated Fair Value Gross Unrealized Losses Quantity Estimated Fair Value Gross Unrealized Losses Held to maturity MBS: U.S. government agencies $ 5,110 $ (32 ) 6 $ 45 $ (1 ) 5 $ 5,155 $ (33 ) Private label residential 13 (2 ) 2 11 (2 ) 2 24 (4 ) U.S. Treasury and U.S. government agency securities — — — 2,997 (2 ) 1 2,997 (2 ) Total $ 5,123 $ (34 ) 8 $ 3,053 $ (5 ) 8 $ 8,176 $ (39 ) Available for sale MBS: U.S. government agencies $ 32,116 $ (265 ) 5 $ — $ — — $ 32,116 $ (265 ) Total $ 32,116 $ (265 ) 5 $ — $ — — $ 32,116 $ (265 ) Held to maturity investment securities with unrealized losses were as follows as of September 30, 2019 (dollars in thousands): Less Than 12 Months 12 Months or Longer Total Estimated Fair Value Gross Unrealized Losses Quantity Estimated Fair Value Gross Unrealized Losses Quantity Estimated Fair Value Gross Unrealized Losses Held to maturity MBS: U.S. government agencies $ 291 $ (1 ) 2 $ 76 $ (1 ) 6 $ 367 $ (2 ) Private label residential — — — 23 (1 ) 5 23 (1 ) U.S. Treasury and U.S. government agency securities — — — 2,991 (8 ) 1 2,991 (8 ) Total $ 291 $ (1 ) 2 $ 3,090 $ (10 ) 12 $ 3,381 $ (11 )
Schedule of Significant Inputs Utilized to Measure Estimate of Credit Loss Component on OTTI Securities	The following table presents a summary of the significant inputs utilized to measure management’s estimates of the credit loss component on OTTI securities as of March 31, 2020 and 2019: Range Weighted Minimum Maximum Average March 31, 2020 Constant prepayment rate 6.00 % 15.00 % 10.91 % Collateral default rate 1.86 % 22.47 % 10.44 % Loss severity rate — % 16.34 % 4.02 % March 31, 2019 Constant prepayment rate 6.00 % 15.00 % 10.24 % Collateral default rate — % 16.06 % 5.20 % Loss severity rate — % 78.00 % 40.02 %
Other than Temporary Impairment, Credit Losses Recognized in Earnings	The following table presents the OTTI recoveries for the three and six months ended March 31, 2020 and 2019 (dollars in thousands): Three Months Ended Three Months Ended Held To Maturity Available For Sale Held To Maturity Available For Sale Total recoveries $ 3 $ — $ 20 $ — Adjustment for portion of OTTI transferred from other comprehensive income (loss) before income taxes (1) — — (11 ) — Net recoveries recognized in earnings (2) $ 3 $ — $ 9 $ — Six Months Ended Six Months Ended Held To Maturity Available For Sale Held To Maturity Available For Sale Total recoveries $ 106 $ — $ 32 $ — Adjustment for portion of OTTI transferred from other comprehensive income (loss) before income taxes (1) — — (12 ) — Net recoveries recognized in earnings (2) $ 106 $ — $ 20 $ — _________________ (1) Represents OTTI related to all other factors. (2) Represents OTTI related to credit losses. The following table presents a roll forward of the credit loss component of held to maturity and available for sale debt securities that have been written down for OTTI with the credit loss component recognized in earnings for the six months ended March 31, 2020 and 2019 (dollars in thousands): Six Months Ended March 31, 2020 2019 Beginning balance of credit loss $ 1,071 $ 1,153 Additions: Additional increases to the amount related to credit loss for which OTTI was previously recognized — 12 Subtractions: Realized losses previously recorded as credit losses (60 ) (13 ) Recovery of prior credit loss (106 ) (32 ) Ending balance of credit loss $ 905 $ 1,120
Schedule of Contractual Maturities of Debt Securities	The contractual maturities of debt securities at March 31, 2020 were as follows (dollars in thousands). Expected maturities may differ from scheduled maturities due to the prepayment of principal or call provisions. Held to Maturity Available for Sale Amortized Cost Estimated Fair Value Amortized Cost Estimated Fair Value Due within one year $ 3,004 $ 3,001 $ — $ — Due after one year to five years 164 172 121 121 Due after five years to ten years 5,817 6,282 6,301 6,068 Due after ten years 27,682 28,877 35,239 35,281 Total $ 36,667 $ 38,332 $ 41,661 $ 41,470

Loans Receivable And Allowanc_2

Loans Receivable And Allowance For Loan Losses (Tables)	6 Months Ended
	Mar. 31, 2020
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]
Schedule of Loans receivable and Loans held for sale	Loans receivable by portfolio segment consisted of the following at March 31, 2020 and September 30, 2019 (dollars in thousands): March 31, September 30, Amount Percent Amount Percent Mortgage loans: One- to four-family (1) $ 125,285 12.4 % $ 132,661 13.4 % Multi-family 81,298 8.1 76,036 7.7 Commercial 444,276 44.1 419,117 42.3 Construction - custom and owner/builder 119,175 11.8 128,848 13.0 Construction - speculative one- to four-family 14,679 1.5 16,445 1.7 Construction - commercial 37,446 3.6 39,566 4.0 Construction - multi-family 34,026 3.4 36,263 3.6 Construction - land development 5,774 0.6 2,404 0.2 Land 29,333 2.9 30,770 3.1 Total mortgage loans 891,292 88.4 882,110 89.0 Consumer loans: Home equity and second mortgage 38,972 3.9 40,190 4.1 Other 3,829 0.4 4,312 0.4 Total consumer loans 42,801 4.3 44,502 4.5 Commercial business loans 73,622 7.3 64,764 6.5 Total loans receivable 1,007,715 100.0 % 991,376 100.0 % Less: Undisbursed portion of construction loans in process 85,474 92,226 Deferred loan origination fees, net 2,694 2,798 Allowance for loan losses 11,890 9,690 100,058 104,714 Loans receivable, net $ 907,657 $ 886,662 _____________________________ (1) Does not include one- to four-family loans held for sale totaling $5,798 and $6,071 at March 31, 2020 and September 30, 2019, respectively.
Schedule of Allowance for Loan Losses	The following tables set forth information for the three and six months ended March 31, 2020 and 2019 regarding activity in the allowance for loan losses by portfolio segment (dollars in thousands): Three Months Ended March 31, 2020 Beginning Allowance Provision for (Recapture of) Loan Losses Charge- offs Recoveries Ending Allowance Mortgage loans: One- to four-family $ 1,065 $ 83 $ — $ 1 $ 1,149 Multi-family 499 96 — — 595 Commercial 4,410 1,351 — 1 5,762 Construction – custom and owner/builder 754 (57 ) — — 697 Construction – speculative one- to four-family 248 (44 ) — — 204 Construction – commercial 403 20 — — 423 Construction – multi-family 333 61 — — 394 Construction – land development 48 32 — — 80 Land 654 19 — 5 678 Consumer loans: Home equity and second mortgage 609 47 — — 656 Other 87 (10 ) (1 ) 2 78 Commercial business loans 772 402 — — 1,174 Total $ 9,882 $ 2,000 $ (1 ) $ 9 $ 11,890 Six Months Ended March 31, 2020 Beginning Allowance Provision for (Recapture of) Loan Losses Charge- offs Recoveries Ending Allowance Mortgage loans: One-to four-family $ 1,167 $ (21 ) $ — $ 3 $ 1,149 Multi-family 481 114 — — 595 Commercial 4,154 1,603 — 5 5,762 Construction – custom and owner/builder 755 (63 ) — 5 697 Construction – speculative one- to four-family 212 (8 ) — — 204 Construction – commercial 338 85 — — 423 Construction – multi-family 375 19 — — 394 Construction – land development 67 13 — — 80 Land 697 (29 ) — 10 678 Consumer loans: Home equity and second mortgage 623 33 — — 656 Other 99 (13 ) (11 ) 3 78 Commercial business loans 722 467 (15 ) — 1,174 Total $ 9,690 $ 2,200 $ (26 ) $ 26 $ 11,890 Three Months Ended March 31, 2019 Beginning Allowance Provision for (Recapture of) Loan Losses Charge- offs Recoveries Ending Allowance Mortgage loans: One- to four-family $ 1,159 $ (72 ) $ — $ 67 $ 1,154 Multi-family 449 21 — — 470 Commercial 4,239 (267 ) — 150 4,122 Construction – custom and owner/builder 643 23 — — 666 Construction – speculative one- to four-family 206 43 — — 249 Construction – commercial 386 (2 ) — — 384 Construction – multi-family 209 63 — — 272 Construction – land development 143 101 — — 244 Land 757 (112 ) — 4 649 Consumer loans: Home equity and second mortgage 666 5 (4 ) — 667 Other 101 11 (1 ) 1 112 Commercial business loans 575 186 (9 ) — 752 Total $ 9,533 $ — $ (14 ) $ 222 $ 9,741 Six Months Ended March 31, 2019 Beginning Allowance Provision for (Recapture of) Loan Losses Charge- offs Recoveries Ending Allowance Mortgage loans: One-to four-family $ 1,086 $ 1 $ — $ 67 $ 1,154 Multi-family 433 37 — — 470 Commercial 4,248 (276 ) — 150 4,122 Construction – custom and owner/builder 671 (5 ) — — 666 Construction – speculative one- to four-family 178 71 — — 249 Construction – commercial 563 (179 ) — — 384 Construction – multi-family 135 137 — — 272 Construction – land development 49 195 — — 244 Land 844 (203 ) — 8 649 Consumer loans: Home equity and second mortgage 649 22 (4 ) — 667 Other 117 (4 ) (3 ) 2 112 Commercial business loans 557 204 (9 ) — 752 Total $ 9,530 $ — $ (16 ) $ 227 $ 9,741
Schedule of loans evaluated individually for impairment and collectively evaluated for impairment in the allowance for loan losses	The following tables present information on the loans evaluated individually and collectively for impairment in the allowance for loan losses by portfolio segment at March 31, 2020 and September 30, 2019 (dollars in thousands): Allowance for Loan Losses Recorded Investment in Loans Individually Evaluated for Impairment Collectively Evaluated for Impairment Total Individually Evaluated for Impairment Collectively Evaluated for Impairment Total March 31, 2020 Mortgage loans: One- to four-family $ — $ 1,149 $ 1,149 $ 1,426 $ 123,859 $ 125,285 Multi-family — 595 595 — 81,298 81,298 Commercial — 5,762 5,762 3,339 440,937 444,276 Construction – custom and owner/builder — 697 697 — 69,298 69,298 Construction – speculative one- to four-family — 204 204 — 9,507 9,507 Construction – commercial — 423 423 — 25,803 25,803 Construction – multi-family — 394 394 — 18,753 18,753 Construction – land development — 80 80 — 2,265 2,265 Land 25 653 678 193 29,140 29,333 Consumer loans: Home equity and second mortgage — 656 656 581 38,391 38,972 Other — 78 78 11 3,818 3,829 Commercial business loans 64 1,110 1,174 543 73,079 73,622 Total $ 89 $ 11,801 $ 11,890 $ 6,093 $ 916,148 $ 922,241 September 30, 2019 Mortgage loans: One- to four-family $ — $ 1,167 $ 1,167 $ 1,192 $ 131,469 $ 132,661 Multi-family — 481 481 — 76,036 76,036 Commercial — 4,154 4,154 3,190 415,927 419,117 Construction – custom and owner/builder — 755 755 — 75,411 75,411 Construction – speculative one- to four-family — 212 212 — 10,779 10,779 Construction – commercial — 338 338 — 24,051 24,051 Construction – multi-family — 375 375 — 19,256 19,256 Construction – land development — 67 67 — 1,803 1,803 Land 27 670 697 204 30,566 30,770 Consumer loans: Home equity and second mortgage — 623 623 603 39,587 40,190 Other 17 82 99 23 4,289 4,312 Commercial business loans 128 594 722 725 64,039 64,764 Total $ 172 $ 9,518 $ 9,690 $ 5,937 $ 893,213 $ 899,150
Past Due Status of Loans Receivable	The following tables present an analysis of loans by aging category and portfolio segment at March 31, 2020 and September 30, 2019 (dollars in thousands): 30–59 Days Past Due 60-89 Days Past Due Non- Accrual (1) Past Due 90 Days or More and Still Accruing Total Past Due Current Total Loans March 31, 2020 Mortgage loans: One- to four-family $ — $ — $ 941 $ — $ 941 $ 124,344 $ 125,285 Multi-family — — — — — 81,298 81,298 Commercial 91 — 947 — 1,038 443,238 444,276 Construction – custom and owner/builder — — — — — 69,298 69,298 Construction – speculative one- to four- family — — — — — 9,507 9,507 Construction – commercial — — — — — 25,803 25,803 Construction – multi-family — — — — — 18,753 18,753 Construction – land development — — — — — 2,265 2,265 Land — — 193 — 193 29,140 29,333 Consumer loans: Home equity and second mortgage — — 581 — 581 38,391 38,972 Other 1 — 11 — 12 3,817 3,829 Commercial business loans 125 — 543 — 668 72,954 73,622 Total $ 217 $ — $ 3,216 $ — $ 3,433 $ 918,808 $ 922,241 September 30, 2019 Mortgage loans: One- to four-family $ — $ 286 $ 699 $ — $ 985 $ 131,676 $ 132,661 Multi-family — — — — — 76,036 76,036 Commercial 94 218 779 — 1,091 418,026 419,117 Construction – custom and owner/ — — — — — 75,411 75,411 Construction – speculative one- to four- family — — — — — 10,779 10,779 Construction – commercial — — — — — 24,051 24,051 Construction – multi-family — — — — — 19,256 19,256 Construction – land development — — — — — 1,803 1,803 Land 5 193 204 — 402 30,368 30,770 Consumer loans: Home equity and second mortgage 94 — 603 — 697 39,493 40,190 Other — — 23 — 23 4,289 4,312 Commercial business loans — 2 725 — 727 64,037 64,764 Total $ 193 $ 699 $ 3,033 $ — $ 3,925 $ 895,225 $ 899,150 ______________________ (1) Includes non-accrual loans past due 90 days or more and other loans classified as non-accrual.
Financing Receivable Credit Quality Indicators	The following tables present an analysis of loans by credit quality indicator and portfolio segment at March 31, 2020 and September 30, 2019 (dollars in thousands): Loan Grades March 31, 2020 Pass Watch Special Substandard Total Mortgage loans: One- to four-family $ 122,490 $ 1,286 $ 557 $ 952 $ 125,285 Multi-family 81,298 — — — 81,298 Commercial 433,461 8,667 668 1,480 444,276 Construction – custom and owner/builder 68,256 1,042 — — 69,298 Construction – speculative one- to four-family 9,507 — — — 9,507 Construction – commercial 25,803 — — — 25,803 Construction – multi-family 18,753 — — — 18,753 Construction – land development 2,133 — — 132 2,265 Land 27,013 1,539 588 193 29,333 Consumer loans: Home equity and second mortgage 38,402 56 — 514 38,972 Other 3,785 33 — 11 3,829 Commercial business loans 72,715 231 79 597 73,622 Total $ 903,616 $ 12,854 $ 1,892 $ 3,879 $ 922,241 September 30, 2019 Mortgage loans: One- to four-family $ 129,748 $ 296 $ 562 $ 2,055 $ 132,661 Multi-family 76,036 — — — 76,036 Commercial 405,165 11,944 683 1,325 419,117 Construction – custom and owner/builder 75,178 233 — — 75,411 Construction – speculative one- to four-family 10,779 — — — 10,779 Construction – commercial 24,051 — — — 24,051 Construction – multi-family 19,256 — — — 19,256 Construction – land development 1,659 — — 144 1,803 Land 28,390 952 1,217 211 30,770 Consumer loans: Home equity and second mortgage 39,364 41 — 785 40,190 Other 4,257 33 — 22 4,312 Commercial business loans 63,669 232 85 778 64,764 Total $ 877,552 $ 13,731 $ 2,547 $ 5,320 $ 899,150
Impaired Loans Receivable	The following table is a summary of information related to impaired loans by portfolio segment as of March 31, 2020 and for the three and six months then ended (dollars in thousands): Recorded Investment Unpaid Principal Balance (Loan Balance Plus Charge Off) Related Allowance Quarter to Date ("QTD") Average Recorded Investment (1) Year to Date ("YTD") Average Recorded Investment (2) QTD Interest Income Recognized (1) YTD Interest Income Recognized (2) QTD Cash Basis Interest Income Recognized (1) YTD Cash Basis Interest Income Recognized (2) With no related allowance recorded: Mortgage loans: One- to four-family $ 941 $ 984 $ — $ 1,186 $ 1,188 $ 20 $ 25 $ 18 $ 23 Commercial 3,339 3,339 — 3,240 3,223 52 105 42 73 Land 57 111 — 58 60 — — — — Consumer loans: Home equity and second mortgage 581 581 — 581 588 — — — — Other 11 11 — 6 4 — — — — Commercial business loans 144 262 — 164 172 — — — — Subtotal 5,073 5,288 — 5,235 5,235 72 130 60 96 With an allowance recorded: Mortgage loans: One- to four-family 485 485 — 243 162 — — — — Land 136 136 25 138 139 — — — — Consumer loans: Other — — — 6 12 — — — — Commercial business loans 399 399 64 409 451 — — — — Subtotal 1,020 1,020 89 796 764 — — — — Total: Mortgage loans: One- to four-family 1,426 1,469 — 1,429 1,350 20 25 18 23 Commercial 3,339 3,339 — 3,240 3,223 52 105 42 73 Land 193 247 25 196 199 — — — — Consumer loans: Home equity and second mortgage 581 581 — 581 588 — — — — Other 11 11 — 12 16 — — — — Commercial business loans 543 661 64 573 623 — — — — Total $ 6,093 $ 6,308 $ 89 $ 6,031 $ 5,999 $ 72 $ 130 $ 60 $ 96 ______________________________________________ (1) For the three months ended March 31, 2020 . (2) For the six months ended March 31, 2020. Recorded Investment Unpaid Principal Balance (Loan Balance Plus Charge Off) Related Allowance YTD Average Recorded Investment (1) YTD Interest Income Recognized (1) YTD Cash Basis Interest Income Recognized (1) With no related allowance recorded: Mortgage loans: One- to four-family $ 1,192 $ 1,236 $ — $ 1,110 $ 71 $ 62 Commercial 3,190 3,190 — 2,920 227 192 Land 63 126 — 100 3 3 Consumer loans: Home equity and second mortgage 603 603 — 459 — — Commercial business loans 189 291 — 142 30 30 Subtotal 5,237 5,446 — 4,731 331 287 With an allowance recorded: Mortgage loans: Land 141 141 27 246 — — Consumer loans: Other 23 23 17 10 — — Commercial business loans 536 536 128 350 30 30 Subtotal 700 700 172 606 30 30 Total Mortgage loans: One- to four-family 1,192 1,236 — 1,110 71 62 Commercial 3,190 3,190 — 2,920 227 192 Land 204 267 27 346 3 3 Consumer loans: Home equity and second mortgage 603 603 — 459 — — Other 23 23 17 10 — — Commercial business loans 725 827 128 492 60 60 Total $ 5,937 $ 6,146 $ 172 $ 5,337 $ 361 $ 317 _____________________________________________ (1) For the year ended September 30, 2019.
Schedule of Troubled Debt Restructured Loans by Interest Accrual Status	There was one new TDR during the year ended September 30, 2019. The following table sets forth information with respect to the Company's TDRs, by portfolio segment, during the year ended September 30, 2019 (dollars in thousands): 2019 Number of Contracts Pre-Modification Outstanding Recorded Investment Post- Modification Outstanding Recorded Investment End of Period Balance Home equity and second mortgage loan (1) 1 $ 85 $ 85 $ 82 Total 1 $ 85 $ 85 $ 82 (1) Modification was a result of a reduction in interest rate and monthly payment. The following tables set forth information with respect to the Company’s TDRs by interest accrual status as of March 31, 2020 and September 30, 2019 (dollars in thousands): March 31, 2020 Accruing Non- Accrual Total Mortgage loans: One- to four-family $ 485 $ — $ 485 Commercial 2,392 — 2,392 Land — 136 136 Consumer loans: Home equity and second mortgage — 77 77 Commercial business loans — 130 130 Total $ 2,877 $ 343 $ 3,220 September 30, 2019 Accruing Non- Accrual Total Mortgage loans: One- to four-family $ 493 $ 141 $ 634 Commercial 2,410 — 2,410 Consumer loans: Home equity and second mortgage — 82 82 Commercial business loans — 143 143 Total $ 2,903 $ 366 $ 3,269

Leases (Tables)

Leases (Tables)	6 Months Ended
	Mar. 31, 2020
Leases [Abstract]
Lease, Cost	The following table provides supplemental information to operating leases at or for the three and six months ended March 31, 2020 (dollars in thousands): At or For the Three Months Ended March 31, 2020 At or For the Six Months Ended March 31, 2020 Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 80 $ 158 Weighted average remaining lease term-operating leases 9.7 years 9.7 years Weighted average discount rate-operating leases 2.22 % 2.22 % The components of lease cost (included in the premises and equipment expense category in the consolidated statements of income) are as follows for the three and six months ended March 31, 2020 (dollars in thousands): Three Months Ended March 31, 2020 Six Months Ended March 31, 2020 Lease cost: Operating lease cost $ 83 $ 166 Short-term lease cost — — Total lease cost $ 83 166
Lessee, Operating Lease, Liability, Maturity	Maturities of operating lease liabilities at March 31, 2020 for future fiscal years are as follows (dollars in thousands): Remainder of 2020 $ 159 2021 327 2022 342 2023 310 2024 313 Thereafter 1,639 Total lease payments 3,090 Less imputed interest 331 Total $ 2,759

Net Income Per Common Share (Ta

Net Income Per Common Share (Tables)	6 Months Ended
	Mar. 31, 2020
Earnings Per Share [Abstract]
Schedule of Earnings per Share	Information regarding the calculation of basic and diluted net income per common share for the three and six months ended March 31, 2020 and 2019 is as follows (dollars in thousands, except per share amounts): Three Months Ended March 31, Six Months Ended March 31, 2020 2019 2020 2019 Numerator – net income $ 5,049 $ 6,114 $ 11,701 $ 11,729 Denominator – weighted average common shares outstanding 8,344,201 8,310,074 8,342,828 8,301,550 Basic net income per common share $ 0.61 $ 0.74 $ 1.40 $ 1.41 Diluted net income per common share computation Numerator – net income $ 5,049 $ 6,114 $ 11,701 $ 11,729 Denominator – weighted average common shares outstanding 8,344,201 8,310,074 8,342,828 8,301,550 Effect of dilutive stock options (1) 112,458 154,576 123,066 159,588 Weighted average common shares outstanding - assuming dilution 8,456,659 8,464,650 8,465,894 8,461,138 Diluted net income per common share $ 0.60 $ 0.72 $ 1.38 $ 1.39 ____________________________________________ (1) For the three and six months ended March 31, 2020, average options to purchase 138,362 and 121,497 shares of common stock were outstanding but not included in the computation of diluted net income per share because their effect would have been anti-dilutive. For the three and six months ended March 31, 2019, average options to purchase 102,150 and 102,504 shares of common stock, respectively, were outstanding but not included in the computation of diluted net income per share because their effect would have bee anti-dilutive.

Accumulated Other Comprehensi_2

Accumulated Other Comprehensive Loss (Tables)	6 Months Ended
	Mar. 31, 2020
Equity [Abstract]
Schedule of Accumulated Other Comprehensive Income (Loss)	The changes in accumulated other comprehensive loss ("AOCI") by component during the three and six months ended March 31, 2020 and 2019 are as follows (dollars in thousands): Three Months Ended March 31, 2020 Changes in fair value of available for sale securities (1) Changes in OTTI on held to maturity securities (1) Total (1) Balance of AOCI at the beginning of period $ (116 ) $ (30 ) $ (146 ) Other comprehensive (loss) income (35 ) 2 (33 ) Balance of AOCI at the end of period $ (151 ) $ (28 ) $ (179 ) Six Months Ended March 31, 2020 Changes in fair value of available for sale securities (1) Changes in OTTI on held to maturity securities (1) Total (1) Balance of AOCI at the beginning of period $ 90 $ (40 ) $ 50 Other comprehensive (loss) income (241 ) 12 (229 ) Balance of AOCI at the end of period $ (151 ) $ (28 ) $ (179 ) Three Months Ended March 31, 2019 Changes in fair value of available for sale securities (1) Changes in OTTI on held to maturity securities (1) Total (1) Balance of AOCI at the beginning of period $ (81 ) $ (64 ) $ (145 ) Other comprehensive income 84 16 100 Balance of AOCI at the end of period $ 3 $ (48 ) $ (45 ) Six Months Ended March 31, 2019 Changes in fair value of available for sale securities (1) Changes in OTTI on held to maturity securities (1) Total (1) Balance of AOCI at the beginning of period $ (58 ) $ (71 ) $ (129 ) Other comprehensive (loss) income (2 ) 23 21 Adoption of ASU 2016-01 $ 63 $ — $ 63 Balance of AOCI at the end of period $ 3 $ (48 ) $ (45 ) __________________________ (1) All amounts are net of income taxes.

Stock Compensation Plans (Table

Stock Compensation Plans (Tables)	6 Months Ended
	Mar. 31, 2020
Share-based Payment Arrangement, Noncash Expense [Abstract]
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award	Stock option activity for the six months ended March 31, 2020 and 2019 is summarized as follows: Six Months Ended Six Months Ended Number of Shares Weighted Average Exercise Price Number of Shares Weighted Average Exercise Price Options outstanding, beginning of period 378,304 $ 18.15 380,820 $ 16.03 Exercised (36,375 ) 10.30 (30,416 ) 9.31 Granted 1,000 26.50 — — Forfeited (8,650 ) 24.84 (3,900 ) 18.63 Options outstanding, end of period 334,279 $ 18.86 346,504 $ 16.59
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range	Additional information regarding options outstanding at March 31, 2020 is as follows: Options Outstanding Options Exercisable Range of Exercise Prices ($) Number Weighted Average Exercise Price Weighted Average Remaining Contractual Life (Years) Number Weighted Average Exercise Price Weighted Average Remaining Contractual Life (Years) $ 4.01 - 4.55 1,000 $ 4.01 1.7 1,000 $ 4.01 1.7 5.86 - 6.00 19,100 5.97 2.6 19,100 5.97 2.6 9.00 37,425 9.00 3.6 37,425 9.00 3.6 10.26 - 10.71 91,064 10.59 5.1 68,914 10.58 5.0 15.67 42,800 15.67 6.5 23,000 15.67 6.5 26.50 - 27.14 46,640 27.13 9.5 — N/A N/A 29.69 53,200 29.69 7.5 21,400 29.69 7.5 31.80 43,050 31.80 8.5 8,770 31.80 8.5 334,279 $ 18.86 6.4 179,609 $ 13.69 5.1

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	6 Months Ended
	Mar. 31, 2020
Fair Value Disclosures [Abstract]
Fair Value, Assets Measured on Recurring Basis	The Company's assets measured at estimated fair value on a recurring basis at March 31, 2020 and September 30, 2019 were as follows (dollars in thousands): March 31, 2020 Estimated Fair Value Level 1 Level 2 Level 3 Total Available for sale investment securities MBS: U.S. government agencies $ — $ 41,470 $ — $ 41,470 Investments in equity securities Mutual funds 969 — — 969 Total $ 969 $ 41,470 $ — $ 42,439 September 30, 2019 Estimated Fair Value Level 1 Level 2 Level 3 Total Available for sale investment securities MBS: U.S. government agencies $ — $ 22,532 $ — $ 22,532 Investments in equity securities Mutual funds 958 — — 958 Total $ 958 $ 22,532 $ — $ 23,490
Balances of Assets Measured at Estimated Fair Value, Nonrecurring Basis	The following table summarizes the balances of assets measured at estimated fair value on a non-recurring basis at September 30, 2019 (dollars in thousands): Estimated Fair Value Level 1 Level 2 Level 3 Impaired loans: Mortgage loans: Land $ — $ — $ 114 Consumer loans: Other — — 6 Commercial business loans — — 408 Total impaired loans — — 528 Investment securities – held to maturity: MBS - private label residential — 2 — OREO and other repossessed assets — — 1,683 Total $ — $ 2 $ 2,211 The following table summarizes the balances of assets measured at estimated fair value on a non-recurring basis at March 31, 2020 (dollars in thousands): Estimated Fair Value Level 1 Level 2 Level 3 Impaired loans: Mortgage loans: One- to four-family $ — $ — $ 485 Land — — 111 Consumer loans: Commercial business loans — — 335 Total impaired loans — — 931 Investment securities – held to maturity: MBS - private label residential — 15 15 OREO and other repossessed assets — — 1,623 Total $ — $ 15 $ 2,569
Level 3 Fair Value Measurements, Nonrecurring Basis	The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a non-recurring basis as of March 31, 2020 (dollars in thousands): Estimated Fair Value Valuation Technique(s) Unobservable Input(s) Range Impaired loans $ 931 Market approach Appraised value less estimated selling costs NA OREO and other repossessed assets $ 1,623 Market approach Lower of appraised value or listing price less estimated selling costs NA The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a non-recurring basis as of September 30, 2019 (dollars in thousands): Estimated Fair Value Valuation Technique(s) Unobservable Input(s) Range Impaired loans $ 528 Market approach Appraised value less estimated selling costs NA OREO and other repossessed assets $ 1,683 Market approach Lower of appraised value or listing price less estimated selling costs NA
Balances of Assets and Liabilities Measured at Estimated Fair Value, Recurring Basis	The recorded amounts and estimated fair values of financial instruments were as follows as of March 31, 2020 and September 30, 2019 (dollars in thousands): March 31, 2020 Fair Value Measurements Using: Recorded Amount Estimated Fair Value Level 1 Level 2 Level 3 Financial assets Cash and cash equivalents $ 168,148 $ 168,148 $ 168,148 $ — $ — CDs held for investment 82,472 82,472 82,472 — — Investment securities 78,137 79,803 2,997 76,806 — Investments in equity securities 969 969 969 — — FHLB stock 1,922 1,922 1,922 — — Other investments 3,000 3,000 3,000 — — Loans held for sale 5,798 5,900 5,900 — — Loans receivable, net 907,657 928,886 — — 928,886 Accrued interest receivable 3,595 3,595 3,595 — — Financial liabilities Certificates of deposit 173,201 175,645 — — 175,645 FHLB borrowings 10,000 10,028 — — 10,028 Accrued interest payable 357 357 357 — — September 30, 2019 Fair Value Measurements Using: Recorded Amount Estimated Fair Value Level 1 Level 2 Level 3 Financial assets Cash and cash equivalents $ 143,015 $ 143,015 $ 143,015 $ — $ — CDs held for investment 78,346 78,346 78,346 — — Investment securities 53,634 55,112 3,949 51,163 — Investments in equity securities 958 958 958 — — FHLB stock 1,437 1,437 1,437 — — Other investments 3,000 3,000 3,000 — — Loans held for sale 6,071 6,260 6,260 — — Loans receivable, net 886,662 892,495 — — 892,495 Accrued interest receivable 3,598 3,598 3,598 — — Financial liabilities Certificates of deposit 165,655 166,852 — — 166,852 Accrued interest payable 333 333 333 — —

Summary Of Significant Accoun_3

Summary Of Significant Accounting Policies (Details)	6 Months Ended
	Mar. 31, 2020segment
Accounting Policies [Abstract]
Number of operating segments	1

Business Combinations - Narrati

Business Combinations - Narrative (Details) - South Sound Merger - USD ($) $ / shares in Units, $ in Thousands	Oct. 01, 2018	Mar. 31, 2020	Mar. 31, 2019
Business Acquisition [Line Items]
Business combination, number of shares transferred (shares)	904,826
Issued, value assigned	$ 28,270
Business combination, share price (dollars per share)	$ 31.24
Cash paid	$ 6,900
Total acquisition consideration	35,170
Goodwill acquired	$ 9,480
Acquisition related costs		$ 69	$ 119
Timberland Bank
Business Acquisition [Line Items]
Shares issued (in dollars per share)	$ 0.746
South Sound Bank
Business Acquisition [Line Items]
Shares issued (in dollars per share)	$ 5.68825
Data Processing, Hosting, and Related Services
Business Acquisition [Line Items]
Acquisition related costs		67
Professional Fees
Business Acquisition [Line Items]
Acquisition related costs		$ 2

Business Combinations - Assets

Business Combinations - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Oct. 01, 2018	Mar. 31, 2020	Dec. 31, 2018
Business Acquisition [Line Items]
Total assets		$ 0	$ 180,518
Total liabilities assumed		$ 0	$ 154,829
South Sound Merger
Business Acquisition [Line Items]
Total acquisition consideration	$ 35,170
Addition as a result of the South Sound Merger (see Note 2)	9,480
Book Value | South Sound Merger
Business Acquisition [Line Items]
Cash and cash equivalents	21,187
CDs held for investment	2,973
FHLB stock	205
Investment securities held to maturity	19,891
Investment securities available for sale	5,022
Loans receivable	123,627
Premises and equipment	3,225
OREO	25
Accrued interest receivable	554
BOLI	2,629
CDI	0
Servicing rights	285
Other assets	1,087
Total assets	180,710
Deposits	151,378
Other liabilities and accrued expenses	3,291
Total liabilities assumed	154,669
Total identifiable net assets acquired	26,041
Fair Value Adjustment | South Sound Merger
Business Acquisition [Line Items]
Cash and cash equivalents	0
CDs held for investment	0
FHLB stock	0
Investment securities held to maturity	(189)
Investment securities available for sale	0
Loans receivable	(2,083)
Premises and equipment	112
OREO	0
Accrued interest receivable	0
BOLI	0
CDI	2,483
Servicing rights	(4)
Other assets	(511)
Total assets	(192)
Deposits	160
Other liabilities and accrued expenses	0
Total liabilities assumed	160
Total identifiable net assets acquired	(352)
Estimated Fair Value | South Sound Merger
Business Acquisition [Line Items]
Total acquisition consideration	35,170
Cash and cash equivalents	21,187
CDs held for investment	2,973
FHLB stock	205
Investment securities held to maturity	19,702
Investment securities available for sale	5,022
Loans receivable	121,544
Premises and equipment	3,337
OREO	25
Accrued interest receivable	554
BOLI	2,629
CDI	2,483
Servicing rights	281
Other assets	576
Total assets	180,518
Deposits	151,538
Other liabilities and accrued expenses	3,291
Total liabilities assumed	154,829
Total identifiable net assets acquired	25,689
Addition as a result of the South Sound Merger (see Note 2)	$ 9,481

Business Combinations - Pro For

Business Combinations - Pro Forma Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Business Acquisition [Line Items]
Net income	$ 5,049	$ 6,114	$ 11,701	$ 11,729
Basic net income per common share (in dollars per share)	$ 0.61	$ 0.74	$ 1.40	$ 1.41
Diluted net income per common share (in dollars per share)	$ 0.60	$ 0.72	$ 1.38	$ 1.39

Investment Securities_ Marketab

Investment Securities: Marketable Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Held to maturity
Amortized Cost	$ 36,667	$ 31,102
Gross Unrealized Gains	1,704	1,489
Gross Unrealized Losses	(39)	(11)
Estimated Fair Value	38,332	32,580
Available for sale
Estimated Fair Value	42,439	23,490
Mortgage-backed Securities, U.S. government agencies
Held to maturity
Amortized Cost	33,407	27,786
Gross Unrealized Gains	1,442	999
Gross Unrealized Losses	(33)	(2)
Estimated Fair Value	34,816	28,783
Available for sale
Amortized Cost	41,661	22,418
Gross Unrealized Gains	74	114
Gross Unrealized Losses	(265)	0
Estimated Fair Value	41,470	22,532
Mortgage-backed Securities, Private label residential
Held to maturity
Amortized Cost	261	317
Gross Unrealized Gains	262	490
Gross Unrealized Losses	(4)	(1)
Estimated Fair Value	519	806
U.S. Treasury and U.S government agency securities
Held to maturity
Amortized Cost	2,999	2,999
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(2)	(8)
Estimated Fair Value	$ 2,997	$ 2,991

Investment Securities_ Unrealiz

Investment Securities: Unrealized Gain (Loss) on Investments (Details) $ in Thousands	Mar. 31, 2020USD ($)security	Sep. 30, 2019USD ($)security
Held-to-maturity Securities, Fair Value:
Held to maturity, Less Than 12 Months, Estimated Fair Value	$ 5,123	$ 291
Held to maturity, 12 Months or Longer, Estimated Fair Value	3,053	3,090
Held to maturity, Total, Estimated Fair Value	8,176	3,381
Held-to-maturity Securities, Gross Unrealized Losses
Held to maturity, Less Than 12 Months, Gross Unrealized Losses	(34)	(1)
Held to maturity, 12 Months or Longer, Gross Unrealized Losses	(5)	(10)
Held to maturity, Total, Gross Unrealized Losses	$ (39)	$ (11)
Held to maturity, Less Than 12 Months, Quantity | security	8	2
Held to maturity, 12 Months or Longer, Quantity | security	8	12
Available-for-sale Securities, Fair Value:
Available for sale, Less Than 12 Months, Estimated Fair Value	$ 32,116
Available for sale, 12 Months or Longer, Estimated Fair Value	0
Available for sale, Total, Estimated Fair Value	32,116
Available-for-sale Securities, Gross Unrealized Losses:
Available for sale, Less Than 12 Months, Gross Unrealized Losses	(265)
Available for sale, 12 Months or Longer, Gross Unrealized Losses	0
Available for sale, Total, Gross Unrealized Losses	$ (265)
Available-for-sale, Less than 12 Months, Quantity | security	5
Available-for-sale, 12 Months or Longer, Quantity | security	0
Mortgage-backed Securities, U.S. government agencies
Held-to-maturity Securities, Fair Value:
Held to maturity, Less Than 12 Months, Estimated Fair Value	$ 5,110	$ 291
Held to maturity, 12 Months or Longer, Estimated Fair Value	45	76
Held to maturity, Total, Estimated Fair Value	5,155	367
Held-to-maturity Securities, Gross Unrealized Losses
Held to maturity, Less Than 12 Months, Gross Unrealized Losses	(32)	(1)
Held to maturity, 12 Months or Longer, Gross Unrealized Losses	(1)	(1)
Held to maturity, Total, Gross Unrealized Losses	$ (33)	$ (2)
Held to maturity, Less Than 12 Months, Quantity | security	6	2
Held to maturity, 12 Months or Longer, Quantity | security	5	6
Available-for-sale Securities, Fair Value:
Available for sale, Less Than 12 Months, Estimated Fair Value	$ 32,116
Available for sale, 12 Months or Longer, Estimated Fair Value	0
Available for sale, Total, Estimated Fair Value	32,116
Available-for-sale Securities, Gross Unrealized Losses:
Available for sale, Less Than 12 Months, Gross Unrealized Losses	(265)
Available for sale, 12 Months or Longer, Gross Unrealized Losses	0
Available for sale, Total, Gross Unrealized Losses	$ (265)
Available-for-sale, Less than 12 Months, Quantity | security	5
Available-for-sale, 12 Months or Longer, Quantity | security	0
Mortgage-backed Securities, Private label residential
Held-to-maturity Securities, Fair Value:
Held to maturity, Less Than 12 Months, Estimated Fair Value	$ 13	$ 0
Held to maturity, 12 Months or Longer, Estimated Fair Value	11	23
Held to maturity, Total, Estimated Fair Value	24	23
Held-to-maturity Securities, Gross Unrealized Losses
Held to maturity, Less Than 12 Months, Gross Unrealized Losses	(2)	0
Held to maturity, 12 Months or Longer, Gross Unrealized Losses	(2)	(1)
Held to maturity, Total, Gross Unrealized Losses	$ (4)	$ (1)
Held to maturity, Less Than 12 Months, Quantity | security	2	0
Held to maturity, 12 Months or Longer, Quantity | security	2	5
U.S. Treasury and U.S. government agency securities
Held-to-maturity Securities, Fair Value:
Held to maturity, Less Than 12 Months, Estimated Fair Value	$ 0	$ 0
Held to maturity, 12 Months or Longer, Estimated Fair Value	2,997	2,991
Held to maturity, Total, Estimated Fair Value	2,997	2,991
Held-to-maturity Securities, Gross Unrealized Losses
Held to maturity, Less Than 12 Months, Gross Unrealized Losses	0	0
Held to maturity, 12 Months or Longer, Gross Unrealized Losses	(2)	(8)
Held to maturity, Total, Gross Unrealized Losses	$ (2)	$ (8)
Held to maturity, Less Than 12 Months, Quantity | security	0	0
Held to maturity, 12 Months or Longer, Quantity | security	1	1

Investment Securities_ Schedule

Investment Securities: Schedule of significant inputs utilized to measure management's estimate of the credit loss component on OTTI securities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Recoveries (other than temporary impairment OTTI) on investment securities	$ (3)	$ (20)	$ (106)	$ (32)
Net recoveries on investment securities	(3)	(9)	(106)	(20)
Held-to-maturity Securities
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
Recoveries (other than temporary impairment OTTI) on investment securities	3	20	106	32
Held to Maturity - adjustment for portion of OTTI recorded as OCI before income taxes	0	(11)	0	(12)
Net recoveries on investment securities	3	9	106	20
Available-for-sale Securities
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
AFS - OTTI	0	0	0	0
AFS - - adjustment for portion of OTTI recorded as OCI before income taxes	0	0	0	0
AFS - Net OTTI recognized in earnings	$ 0	$ 0	$ 0	$ 0
Minimum
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
OTTI significant inputs - Constant prepayment rate	6.00%	6.00%	6.00%	6.00%
OTTI significant inputs - Collateral default rate	1.86%	0.00%	1.86%	0.00%
OTTI significant inputs - Loss severity rate	0.00%	0.00%	0.00%	0.00%
Maximum
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
OTTI significant inputs - Constant prepayment rate	15.00%	15.00%	15.00%	15.00%
OTTI significant inputs - Collateral default rate	22.47%	16.06%	22.47%	16.06%
OTTI significant inputs - Loss severity rate	16.34%	78.00%	16.34%	78.00%
Weighted Average
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items]
OTTI significant inputs - Constant prepayment rate	10.91%	10.24%	10.91%	10.24%
OTTI significant inputs - Collateral default rate	10.44%	5.20%	10.44%	5.20%
OTTI significant inputs - Loss severity rate	4.02%	40.02%	4.02%	40.02%

Investment Securities_ Other th

Investment Securities: Other than Temporary Impairment, Credit Losses Recognized in Earnings (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]
Beginning balance of credit loss	$ 1,071	$ 1,153
Additional increases to the amount related to credit loss for which OTTI was previously recognized	0	12
Realized losses previously recorded as credit losses	(60)	(13)
Recovery of prior credit loss	(106)	(32)
Ending balance of credit loss	$ 905	$ 1,120

Investment Securities_ Narrativ

Investment Securities: Narrative-Realized Gains (Losses) (Details) $ in Thousands	6 Months Ended
	Mar. 31, 2020USD ($)security	Mar. 31, 2019USD ($)security	Sep. 30, 2019USD ($)
Investments [Abstract]
Loss on sale of securities	$ 60	$ 13
Held-to-maturity securities, realized loss, number of securities | security	19	17
Security owned and pledged as collateral	$ 43,710		$ 18,590

Investment Securities_ Schedu_2

Investment Securities: Schedule of Contractual maturities of debt securities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Held-to-maturity Securities, Amortized Cost:
Due within one year	$ 3,004
Due after one year to five years	164
Due after five years to ten years	5,817
Due after ten years	27,682
Total	36,667	$ 31,102	[1]
Held-to-maturity Securities, Estimated Fair Value:
Due within one year	3,001
Due after one year to five years	172
Due after five years to ten years	6,282
Due after ten years	28,877
Total	38,332	$ 32,580
Available-for-sale Securities, Amortized Cost:
Due within one year	0
Due after one year to five years	121
Due after five years to ten years	6,301
Due after ten years	35,239
Total	41,661
Available-for-sale Securities, Estimated Fair Value:
Due within one year	0
Due after one year to five years	121
Due after five years to ten years	6,068
Due after ten years	35,281
Total	$ 41,470
[1]	Derived from audited consolidated financial statements.

Goodwill and CDI - Goodwill (De

Goodwill and CDI - Goodwill (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Net	$ 15,130	$ 15,130

Loans Receivable And Allowanc_3

Loans Receivable And Allowance For Loan Losses - Narrative (Details)	Apr. 30, 2020USD ($)contract	Mar. 31, 2020USD ($)contract	Sep. 30, 2019USD ($)
Subsequent Event [Line Items]
Unamortized loan commitment and origination fees and unamortized discounts or premiums		$ 1,130,000
Troubled debt restructured loan		3,220,000	$ 3,269,000
Loans and leases receivable, impaired, commitment to lend		0	0
Allowance for loan losses allocated to TDR loans		$ 47,000	$ 56,000
Number of contracts | contract		125
Increase (decrease) from modification		$ 79,410,000
Percent increase (decrease) from modification		8.60%
Subsequent Event
Subsequent Event [Line Items]
Number of contracts | contract	178
Increase (decrease) from modification	$ 125,240,000
Percent increase (decrease) from modification	13.60%

Loans Receivable And Allowanc_4

Loans Receivable And Allowance For Loan Losses: Schedule of Loans receivable and Loans held for sale (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans receivable	$ 1,007,715	$ 991,376
Undisbursed portion of construction loans in process	85,474	92,226
Deferred loan origination fees, net	2,694	2,798
Allowance for loan losses	11,890	9,690
Less: Loans in process, Deferred fees and Allowance for loan losses	100,058	104,714
Loans receivable, net	$ 907,657	$ 886,662	[1]
Ratio of loan category to total loans receivable (percent)	100.00%	99.99109%
Total mortgage loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans	$ 891,292	$ 882,110
Ratio of loan category to total loans receivable (percent)	88.40%	89.00%
Mortgage loans, one-to-four family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans	$ 125,285	$ 132,661
Ratio of loan category to total loans receivable (percent)	12.40%	13.40%
Mortgage loans excluded	$ 5,798	$ 6,071
Mortgage loans, multi-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans	$ 81,298	$ 76,036
Ratio of loan category to total loans receivable (percent)	8.10%	7.70%
Mortgage loans, commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans	$ 444,276	$ 419,117
Ratio of loan category to total loans receivable (percent)	44.10%	42.30%
Mortgage loans, construction - custom and owner/builder
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans	$ 119,175	$ 128,848
Ratio of loan category to total loans receivable (percent)	11.80%	13.00%
Mortgage loans, construction - speculative one-to-four family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans	$ 14,679	$ 16,445
Ratio of loan category to total loans receivable (percent)	1.50%	1.70%
Mortgage loans, construction – commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans	$ 37,446	$ 39,566
Ratio of loan category to total loans receivable (percent)	3.60%	4.00%
Mortgage loans, construction - Multi-family
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans	$ 34,026	$ 36,263
Ratio of loan category to total loans receivable (percent)	3.40%	3.60%
Mortgage loans, construction - Land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans	$ 5,774	$ 2,404
Ratio of loan category to total loans receivable (percent)	0.60%	0.20%
Mortgage loans, land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Mortgage loans	$ 29,333	$ 30,770
Ratio of loan category to total loans receivable (percent)	2.90%	3.10%
Total consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans	$ 42,801	$ 44,502
Ratio of loan category to total loans receivable (percent)	4.30%	4.50%
Consumer loans, home equity and second mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans	$ 38,972	$ 40,190
Ratio of loan category to total loans receivable (percent)	3.90%	4.10%
Consumer loans, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Consumer loans	$ 3,829	$ 4,312
Ratio of loan category to total loans receivable (percent)	0.40%	0.40%
Commercial business loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Commercial business loans	$ 73,622	$ 64,764
Ratio of loan category to total loans receivable (percent)	7.30%	6.50%
Consumer loans excluded	$ 0	$ 0
[1]	Derived from audited consolidated financial statements.

Loans Receivable And Allowanc_5

Loans Receivable And Allowance For Loan Losses: Schedule of Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, Beginning Allowance	$ 9,882	$ 9,533	$ 9,690	$ 9,530
Provision for (Recapture of) Loan Losses	2,000	0	2,200	0
Charge- offs	(1)	(14)	(26)	(16)
Recoveries	9	222	26	227
Allowance for loan losses, Ending Allowance	11,890	9,741	11,890	9,741
Mortgage loans, one-to-four family
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, Beginning Allowance	1,065	1,159	1,167	1,086
Provision for (Recapture of) Loan Losses	83	(72)	(21)	1
Charge- offs	0	0	0	0
Recoveries	1	67	3	67
Allowance for loan losses, Ending Allowance	1,149	1,154	1,149	1,154
Mortgage loans, multi-family
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, Beginning Allowance	499	449	481	433
Provision for (Recapture of) Loan Losses	96	21	114	37
Charge- offs	0	0	0	0
Recoveries	0	0	0	0
Allowance for loan losses, Ending Allowance	595	470	595	470
Mortgage loans, commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, Beginning Allowance	4,410	4,239	4,154	4,248
Provision for (Recapture of) Loan Losses	1,351	(267)	1,603	(276)
Charge- offs	0	0	0	0
Recoveries	1	150	5	150
Allowance for loan losses, Ending Allowance	5,762	4,122	5,762	4,122
Mortgage loans, construction - custom and owner/builder
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, Beginning Allowance	754	643	755	671
Provision for (Recapture of) Loan Losses	(57)	23	(63)	(5)
Charge- offs	0	0	0	0
Recoveries	0	0	5	0
Allowance for loan losses, Ending Allowance	697	666	697	666
Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, Beginning Allowance	248	206	212	178
Provision for (Recapture of) Loan Losses	(44)	43	(8)	71
Charge- offs	0	0	0	0
Recoveries	0	0	0	0
Allowance for loan losses, Ending Allowance	204	249	204	249
Mortgage loans, construction – commercial
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, Beginning Allowance	403	386	338	563
Provision for (Recapture of) Loan Losses	20	(2)	85	(179)
Charge- offs	0	0	0	0
Recoveries	0	0	0	0
Allowance for loan losses, Ending Allowance	423	384	423	384
Mortgage loans, construction - Multi-family
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, Beginning Allowance	333	209	375	135
Provision for (Recapture of) Loan Losses	61	63	19	137
Charge- offs	0	0	0	0
Recoveries	0	0	0	0
Allowance for loan losses, Ending Allowance	394	272	394	272
Mortgage loans, construction - Land development
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, Beginning Allowance	48	143	67	49
Provision for (Recapture of) Loan Losses	32	101	13	195
Charge- offs	0		0	0
Recoveries	0	0	0	0
Allowance for loan losses, Ending Allowance	80	244	80	244
Mortgage loans, land
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, Beginning Allowance	654	757	697	844
Provision for (Recapture of) Loan Losses	19	(112)	(29)	(203)
Charge- offs	0	0	0	0
Recoveries	5	4	10	8
Allowance for loan losses, Ending Allowance	678	649	678	649
Consumer loans, home equity and second mortgage
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, Beginning Allowance	609	666	623	649
Provision for (Recapture of) Loan Losses	47	5	33	22
Charge- offs	0	(4)	0	(4)
Recoveries	0	0	0	0
Allowance for loan losses, Ending Allowance	656	667	656	667
Consumer loans, other
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, Beginning Allowance	87	101	99	117
Provision for (Recapture of) Loan Losses	(10)	11	(13)	(4)
Charge- offs	(1)	(1)	(11)	(3)
Recoveries	2	1	3	2
Allowance for loan losses, Ending Allowance	78	112	78	112
Commercial business loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Allowance for loan losses, Beginning Allowance	772	575	722	557
Provision for (Recapture of) Loan Losses	402	186	467	204
Charge- offs	0	(9)	(15)	(9)
Recoveries	0	0	0	0
Allowance for loan losses, Ending Allowance	$ 1,174	$ 752	$ 1,174	$ 752

Loans Receivable And Allowanc_6

Loans Receivable And Allowance For Loan Losses: Schedule of loans evaluated individually for impairment and collectively evaluated for impairment in the allowance for loan losses (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	$ 89		$ 172
Allowance for Loan Losses, Collectively Evaluated for Impairment	11,801		9,518
Allowance for Loan Losses, Total	11,890	$ 9,882	9,690	$ 9,741	$ 9,533	$ 9,530
Recorded Investment in Loans, Individually Evaluated for Impairment	6,093		5,937
Recorded Investment in Loans, Collectively Evaluated for Impairment	916,148		893,213
Loans receivable	922,241		899,150
Mortgage loans, one-to-four family
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	1,149		1,167
Allowance for Loan Losses, Total	1,149	1,065	1,167	1,154	1,159	1,086
Recorded Investment in Loans, Individually Evaluated for Impairment	1,426		1,192
Recorded Investment in Loans, Collectively Evaluated for Impairment	123,859		131,469
Loans receivable	125,285		132,661
Mortgage loans, multi-family
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	595		481
Allowance for Loan Losses, Total	595	499	481	470	449	433
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	81,298		76,036
Loans receivable	81,298		76,036
Mortgage loans, commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	5,762		4,154
Allowance for Loan Losses, Total	5,762	4,410	4,154	4,122	4,239	4,248
Recorded Investment in Loans, Individually Evaluated for Impairment	3,339		3,190
Recorded Investment in Loans, Collectively Evaluated for Impairment	440,937		415,927
Loans receivable	444,276		419,117
Mortgage loans, construction - custom and owner/builder
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	697		755
Allowance for Loan Losses, Total	697	754	755	666	643	671
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	69,298		75,411
Loans receivable	69,298		75,411
Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	204		212
Allowance for Loan Losses, Total	204	248	212	249	206	178
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	9,507		10,779
Loans receivable	9,507		10,779
Mortgage loans, construction – commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	423		338
Allowance for Loan Losses, Total	423	403	338	384	386	563
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	25,803		24,051
Loans receivable	25,803		24,051
Mortgage loans, construction - Multi-family
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	394		375
Allowance for Loan Losses, Total	394	333	375	272	209	135
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	18,753		19,256
Loans receivable	18,753		19,256
Mortgage loans, construction - Land development
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	80		67
Allowance for Loan Losses, Total	80	48	67	244	143	49
Recorded Investment in Loans, Individually Evaluated for Impairment	0		0
Recorded Investment in Loans, Collectively Evaluated for Impairment	2,265		1,803
Loans receivable	2,265		1,803
Mortgage loans, land
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	25		27
Allowance for Loan Losses, Collectively Evaluated for Impairment	653		670
Allowance for Loan Losses, Total	678	654	697	649	757	844
Recorded Investment in Loans, Individually Evaluated for Impairment	193		204
Recorded Investment in Loans, Collectively Evaluated for Impairment	29,140		30,566
Loans receivable	29,333		30,770
Consumer loans, home equity and second mortgage
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		0
Allowance for Loan Losses, Collectively Evaluated for Impairment	656		623
Allowance for Loan Losses, Total	656	609	623	667	666	649
Recorded Investment in Loans, Individually Evaluated for Impairment	581		603
Recorded Investment in Loans, Collectively Evaluated for Impairment	38,391		39,587
Loans receivable	38,972		40,190
Consumer loans, other
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	0		17
Allowance for Loan Losses, Collectively Evaluated for Impairment	78		82
Allowance for Loan Losses, Total	78	87	99	112	101	117
Recorded Investment in Loans, Individually Evaluated for Impairment	11		23
Recorded Investment in Loans, Collectively Evaluated for Impairment	3,818		4,289
Loans receivable	3,829		4,312
Commercial business loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Allowance for Loan Losses, Individually Evaluated for Impairment	64		128
Allowance for Loan Losses, Collectively Evaluated for Impairment	1,110		594
Allowance for Loan Losses, Total	1,174	$ 772	722	$ 752	$ 575	$ 557
Recorded Investment in Loans, Individually Evaluated for Impairment	543		725
Recorded Investment in Loans, Collectively Evaluated for Impairment	73,079		64,039
Loans receivable	$ 73,622		$ 64,764

Loans Receivable And Allowanc_7

Loans Receivable And Allowance For Loan Losses: Past Due Status of Loans (Details) - USD ($) $ in Thousands		Mar. 31, 2020	Sep. 30, 2019
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		$ 3,433	$ 3,925
Loans receivable, Non-Accrual	[1]	3,216	3,033
Loans receivable, Current		918,808	895,225
Loans receivable		922,241	899,150
Mortgage loans, one-to-four family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		941	985
Loans receivable, Non-Accrual	[1]	941	699
Loans receivable, Current		124,344	131,676
Loans receivable		125,285	132,661
Mortgage loans, multi-family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Loans receivable, Non-Accrual	[1]	0	0
Loans receivable, Current		81,298	76,036
Loans receivable		81,298	76,036
Mortgage loans, commercial
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		1,038	1,091
Loans receivable, Non-Accrual	[1]	947	779
Loans receivable, Current		443,238	418,026
Loans receivable		444,276	419,117
Mortgage loans, construction - custom and owner/builder
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Loans receivable, Non-Accrual	[1]	0	0
Loans receivable, Current		69,298	75,411
Loans receivable		69,298	75,411
Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Loans receivable, Non-Accrual	[1]	0	0
Loans receivable, Current		9,507	10,779
Loans receivable		9,507	10,779
Mortgage loans, construction – commercial
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Loans receivable, Non-Accrual	[1]	0	0
Loans receivable, Current		25,803	24,051
Loans receivable		25,803	24,051
Mortgage loans, construction - Multi-family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Loans receivable, Non-Accrual	[1]	0	0
Loans receivable, Current		18,753	19,256
Loans receivable		18,753	19,256
Mortgage loans, construction - Land development
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Loans receivable, Non-Accrual	[1]	0	0
Loans receivable, Current		2,265	1,803
Loans receivable		2,265	1,803
Mortgage loans, land
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		193	402
Loans receivable, Non-Accrual	[1]	193	204
Loans receivable, Current		29,140	30,368
Loans receivable		29,333	30,770
Consumer loans, home equity and second mortgage
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		581	697
Loans receivable, Non-Accrual	[1]	581	603
Loans receivable, Current		38,391	39,493
Loans receivable		38,972	40,190
Consumer loans, other
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		12	23
Loans receivable, Non-Accrual	[1]	11	23
Loans receivable, Current		3,817	4,289
Loans receivable		3,829	4,312
Commercial business loans
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		668	727
Loans receivable, Non-Accrual	[1]	543	725
Loans receivable, Current		72,954	64,037
Loans receivable		73,622	64,764
30 to 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		217	193
30 to 59 Days Past Due | Mortgage loans, one-to-four family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
30 to 59 Days Past Due | Mortgage loans, multi-family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
30 to 59 Days Past Due | Mortgage loans, commercial
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		91	94
30 to 59 Days Past Due | Mortgage loans, construction - custom and owner/builder
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
30 to 59 Days Past Due | Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
30 to 59 Days Past Due | Mortgage loans, construction – commercial
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
30 to 59 Days Past Due | Mortgage loans, construction - Multi-family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
30 to 59 Days Past Due | Mortgage loans, construction - Land development
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
30 to 59 Days Past Due | Mortgage loans, land
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	5
30 to 59 Days Past Due | Consumer loans, home equity and second mortgage
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	94
30 to 59 Days Past Due | Consumer loans, other
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		1	0
30 to 59 Days Past Due | Commercial business loans
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		125	0
60 to 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	699
60 to 89 Days Past Due | Mortgage loans, one-to-four family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	286
60 to 89 Days Past Due | Mortgage loans, multi-family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
60 to 89 Days Past Due | Mortgage loans, commercial
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	218
60 to 89 Days Past Due | Mortgage loans, construction - custom and owner/builder
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
60 to 89 Days Past Due | Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
60 to 89 Days Past Due | Mortgage loans, construction – commercial
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
60 to 89 Days Past Due | Mortgage loans, construction - Multi-family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
60 to 89 Days Past Due | Mortgage loans, construction - Land development
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
60 to 89 Days Past Due | Mortgage loans, land
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	193
60 to 89 Days Past Due | Consumer loans, home equity and second mortgage
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
60 to 89 Days Past Due | Consumer loans, other
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
60 to 89 Days Past Due | Commercial business loans
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	2
Past Due 90 Days or More and Still Accruing
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Past Due 90 Days or More and Still Accruing | Mortgage loans, one-to-four family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Past Due 90 Days or More and Still Accruing | Mortgage loans, multi-family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Past Due 90 Days or More and Still Accruing | Mortgage loans, commercial
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Past Due 90 Days or More and Still Accruing | Mortgage loans, construction - custom and owner/builder
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Past Due 90 Days or More and Still Accruing | Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Past Due 90 Days or More and Still Accruing | Mortgage loans, construction – commercial
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Past Due 90 Days or More and Still Accruing | Mortgage loans, construction - Multi-family
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Past Due 90 Days or More and Still Accruing | Mortgage loans, construction - Land development
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Past Due 90 Days or More and Still Accruing | Mortgage loans, land
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Past Due 90 Days or More and Still Accruing | Consumer loans, home equity and second mortgage
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Past Due 90 Days or More and Still Accruing | Consumer loans, other
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		0	0
Past Due 90 Days or More and Still Accruing | Commercial business loans
Financing Receivable, Past Due [Line Items]
Loans receivable, Total Past Due		$ 0	$ 0
[1]	Includes non-accrual loans past due 90 days or more and other loans classified as non-accrual.

Loans Receivable And Allowanc_8

Loans Receivable And Allowance For Loan Losses: Financing Receivable Credit Quality Indicators (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	$ 922,241	$ 899,150
Mortgage loans, one-to-four family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	125,285	132,661
Mortgage loans, multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	81,298	76,036
Mortgage loans, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	444,276	419,117
Mortgage loans, construction - custom and owner/builder
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	69,298	75,411
Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	9,507	10,779
Mortgage loans, construction – commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	25,803	24,051
Mortgage loans, construction - Multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	18,753	19,256
Mortgage loans, construction - Land development
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	2,265	1,803
Mortgage loans, land
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	29,333	30,770
Consumer loans, home equity and second mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	38,972	40,190
Consumer loans, other
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	3,829	4,312
Commercial business loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	73,622	64,764
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	903,616	877,552
Pass | Mortgage loans, one-to-four family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	122,490	129,748
Pass | Mortgage loans, multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	81,298	76,036
Pass | Mortgage loans, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	433,461	405,165
Pass | Mortgage loans, construction - custom and owner/builder
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	68,256	75,178
Pass | Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	9,507	10,779
Pass | Mortgage loans, construction – commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	25,803	24,051
Pass | Mortgage loans, construction - Multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	18,753	19,256
Pass | Mortgage loans, construction - Land development
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	2,133	1,659
Pass | Mortgage loans, land
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	27,013	28,390
Pass | Consumer loans, home equity and second mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	38,402	39,364
Pass | Consumer loans, other
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	3,785	4,257
Pass | Commercial business loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	72,715	63,669
Watch
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	12,854	13,731
Watch | Mortgage loans, one-to-four family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,286	296
Watch | Mortgage loans, multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Watch | Mortgage loans, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	8,667	11,944
Watch | Mortgage loans, construction - custom and owner/builder
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,042	233
Watch | Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Watch | Mortgage loans, construction – commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Watch | Mortgage loans, construction - Multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Watch | Mortgage loans, construction - Land development
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Watch | Mortgage loans, land
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,539	952
Watch | Consumer loans, home equity and second mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	56	41
Watch | Consumer loans, other
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	33	33
Watch | Commercial business loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	231	232
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,892	2,547
Special Mention | Mortgage loans, one-to-four family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	557	562
Special Mention | Mortgage loans, multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Special Mention | Mortgage loans, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	668	683
Special Mention | Mortgage loans, construction - custom and owner/builder
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Special Mention | Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Special Mention | Mortgage loans, construction – commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Special Mention | Mortgage loans, construction - Multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Special Mention | Mortgage loans, construction - Land development
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Special Mention | Mortgage loans, land
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	588	1,217
Special Mention | Consumer loans, home equity and second mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Special Mention | Consumer loans, other
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Special Mention | Commercial business loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	79	85
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	3,879	5,320
Substandard | Mortgage loans, one-to-four family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	952	2,055
Substandard | Mortgage loans, multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Substandard | Mortgage loans, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	1,480	1,325
Substandard | Mortgage loans, construction - custom and owner/builder
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Substandard | Mortgage loans, construction - speculative one-to-four family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Substandard | Mortgage loans, construction – commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Substandard | Mortgage loans, construction - Multi-family
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	0	0
Substandard | Mortgage loans, construction - Land development
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	132	144
Substandard | Mortgage loans, land
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	193	211
Substandard | Consumer loans, home equity and second mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	514	785
Substandard | Consumer loans, other
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	11	22
Substandard | Commercial business loans
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	$ 597	$ 778

Loans Receivable And Allowanc_9

Loans Receivable And Allowance For Loan Losses: Impaired Financing Receivables (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	12 Months Ended
	Mar. 31, 2020		Mar. 31, 2020	Sep. 30, 2019
Recorded Investment
With no related allowance recorded	$ 5,073		$ 5,073	$ 5,237
With an allowance recorded	1,020		1,020	700
Total:	6,093		6,093	5,937
Unpaid Principal Balance (Loan Balance Plus Charge Off)
With no related allowance recorded	5,288		5,288	5,446
With an allowance recorded	1,020		1,020	700
Total:	6,308		6,308	6,146
Related Allowance	89		89	172
Average Recorded Investment
With no related allowance recorded	5,235	[1]	5,235	4,731
With an allowance recorded	796	[1]	764	606
Total	6,031	[1]	5,999	5,337
Interest Income Recognized
With no related allowance recorded	72	[1]	130	331	[1]
With an allowance recorded	0	[1]	0	30
Total	72	[1]	130	361
Cash Basis Interest Income Recognized
With no related allowance recorded	60	[1]	96	287
With an allowance recorded	0	[1]	0	30
Total	60	[1]	96	317
Mortgage loans, one-to-four family
Recorded Investment
With no related allowance recorded	941		941	1,192
With an allowance recorded	485		485
Total:	1,426		1,426	1,192
Unpaid Principal Balance (Loan Balance Plus Charge Off)
With no related allowance recorded	984		984	1,236
With an allowance recorded	485		485
Total:	1,469		1,469	1,236
Related Allowance	0		0	0
Average Recorded Investment
With no related allowance recorded	1,186	[1]	1,188	1,110
With an allowance recorded	243	[1]	162
Total	1,429	[1]	1,350	1,110
Interest Income Recognized
With no related allowance recorded	20	[1]	25	71	[1]
With an allowance recorded	0	[1]	0
Total	20	[1]	25	71
Cash Basis Interest Income Recognized
With no related allowance recorded	18	[1]	23	62
With an allowance recorded	0	[1]	0
Total	18	[1]	23	62
Mortgage loans, commercial
Recorded Investment
With no related allowance recorded	3,339		3,339	3,190
Total:	3,339		3,339	3,190
Unpaid Principal Balance (Loan Balance Plus Charge Off)
With no related allowance recorded	3,339		3,339	3,190
Total:	3,339		3,339	3,190
Related Allowance	0		0	0
Average Recorded Investment
With no related allowance recorded	3,240	[1]	3,223	2,920
Total	3,240	[1]	3,223	2,920
Interest Income Recognized
With no related allowance recorded	52	[1]	105	227	[1]
Total	52	[1]	105	227
Cash Basis Interest Income Recognized
With no related allowance recorded	42	[1]	73	192
Total	42	[1]	73	192
Mortgage loans, land
Recorded Investment
With no related allowance recorded	57		57	63
With an allowance recorded	136		136	141
Total:	193		193	204
Unpaid Principal Balance (Loan Balance Plus Charge Off)
With no related allowance recorded	111		111	126
With an allowance recorded	136		136	141
Total:	247		247	267
Related Allowance	25		25	27
Average Recorded Investment
With no related allowance recorded	58	[1]	60	100
With an allowance recorded	138	[1]	139	246
Total	196	[1]	199	346
Interest Income Recognized
With no related allowance recorded	0	[1]	0	3	[1]
With an allowance recorded	0	[1]	0	0
Total	0	[1]	0	3
Cash Basis Interest Income Recognized
With no related allowance recorded	0	[1]	0	3
With an allowance recorded	0	[1]	0	0
Total	0	[1]	0	3
Consumer loans, home equity and second mortgage
Recorded Investment
With no related allowance recorded	581		581	603
Total:	581		581	603
Unpaid Principal Balance (Loan Balance Plus Charge Off)
With no related allowance recorded	581		581	603
Total:	581		581	603
Related Allowance	0		0	0
Average Recorded Investment
With no related allowance recorded	581	[1]	588	459
Total	581	[1]	588	459
Interest Income Recognized
With no related allowance recorded	0	[1]	0	0	[1]
Total	0	[1]	0	0
Cash Basis Interest Income Recognized
With no related allowance recorded	0	[1]	0	0
Total	0	[1]	0	0
Consumer loans, other
Recorded Investment
With no related allowance recorded	11		11
With an allowance recorded	0		0	23
Total:	11		11	23
Unpaid Principal Balance (Loan Balance Plus Charge Off)
With no related allowance recorded	11		11
With an allowance recorded	0		0	23
Total:	11		11	23
Related Allowance	0		0	17
Average Recorded Investment
With no related allowance recorded	6	[1]	4
With an allowance recorded	6	[1]	12	10
Total	12	[1]	16	10
Interest Income Recognized
With no related allowance recorded	0	[1]	0
With an allowance recorded	0	[1]	0	0
Total	0	[1]	0	0
Cash Basis Interest Income Recognized
With no related allowance recorded	0	[1]	0
With an allowance recorded	0	[1]	0
Total	0	[1]	0	0
Commercial business loans
Recorded Investment
With no related allowance recorded	144		144	189
With an allowance recorded	399		399	536
Total:	543		543	725
Unpaid Principal Balance (Loan Balance Plus Charge Off)
With no related allowance recorded	262		262	291
With an allowance recorded	399		399	536
Total:	661		661	827
Related Allowance	64		64	128
Average Recorded Investment
With no related allowance recorded	164	[1]	172	142
With an allowance recorded	409		451	350
Total	573	[1]	623	492
Interest Income Recognized
With no related allowance recorded	0	[1]	0	30	[1]
With an allowance recorded	0	[1]	0	30
Total	0	[1]	0	60
Cash Basis Interest Income Recognized
With no related allowance recorded	0	[1]	0	30
With an allowance recorded	0	[1]	0	30
Total	$ 0	[1]	$ 0	$ 60
[1]	For the three months ended March 31, 2020

Loans Receivable And Allowan_10

Loans Receivable And Allowance For Loan Losses: Schedule 1 of Troubled debt restructured loans (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	$ 3,220	$ 3,269
Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	2,877	2,903
Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	343	366
Mortgage loans, one-to-four family
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	485	634
Mortgage loans, one-to-four family | Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	485	493
Mortgage loans, one-to-four family | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	0	141
Mortgage loans, commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	2,392	2,410
Mortgage loans, commercial | Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	2,392	2,410
Mortgage loans, commercial | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	0	0
Mortgage loans, land
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	136
Mortgage loans, land | Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	0
Mortgage loans, land | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	136
Consumer loans, home equity and second mortgage
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	77	82
Consumer loans, home equity and second mortgage | Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	0	0
Consumer loans, home equity and second mortgage | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	77	82
Commercial business loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	130	143
Commercial business loans | Accruing
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	0	0
Commercial business loans | Non-Accrual
Financing Receivable, Troubled Debt Restructuring [Line Items]
Troubled debt restructured loan	$ 130	$ 143

Loans Receivable And Allowan_11

Loans Receivable And Allowance For Loan Losses - Land and Commercial Business Loans (Details) $ in Thousands	6 Months Ended	12 Months Ended
	Mar. 31, 2020USD ($)contract	Sep. 30, 2019USD ($)contract
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of contracts | contract	125
Troubled debt restructured loan	$ 3,220	$ 3,269
Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of contracts | contract		1
Pre-modification TDR balance		$ 85
Post-modification TDR balance		85
Troubled debt restructured loan		$ 82
Mortgage loans, land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled debt restructured loan	$ 136
Mortgage loans, land | Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of contracts | contract		1
Pre-modification TDR balance		$ 85
Post-modification TDR balance		85
Troubled debt restructured loan		$ 82

Leases (Details)

Leases (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Mar. 31, 2020	Mar. 31, 2020	Oct. 01, 2019	Sep. 30, 2019	[1]
Leases [Abstract]
Operating lease right-of-use (ROU) assets	$ 2,759	$ 2,759	$ 2,890	$ 0
Operating lease cost	83	166
Short-term lease cost	0	0
Total lease cost	83	166
Operating cash flows from operating leases	$ 80	$ 158
Weighted average remaining lease term-operating leases	9 years 8 months 6 days	9 years 8 months 6 days
Weighted average discount rate-operating leases	2.22%	2.22%
[1]	Derived from audited consolidated financial statements.

Leases - Schedule Of Lease Matu

Leases - Schedule Of Lease Maturities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Leases [Abstract]
Remainder of 2020	$ 159
2021	327
2022	342
2023	310
2024	313
Thereafter	1,639
Total lease payments	3,090
Less imputed interest	331
Total	$ 2,759	$ 0

Net Income Per Common Share (De

Net Income Per Common Share (Details)	Mar. 31, 2020shares
Earnings Per Share [Abstract]
ESOP, number of suspense shares (in shares)	0

Net Income Per Common Share_ Sc

Net Income Per Common Share: Schedule of Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
		Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Earnings Per Share, Basic [Abstract]
Numerator – net income		$ 5,049	$ 6,114	$ 11,701	$ 11,729
Denominator – weighted average common shares outstanding (in shares)		8,344,201	8,310,074	8,342,828	8,301,550
Basic net income per common share (in dollars per share)		$ 0.61	$ 0.74	$ 1.40	$ 1.41
Earnings Per Share, Diluted [Abstract]
Effect of dilutive stock options (in shares)	[1]	112,458	154,576	123,066	159,588
Weighted average common shares and common stock equivalents (in shares)		8,456,659	8,464,650	8,465,894	8,461,138
Diluted net income per common share (in dollars per share)		$ 0.60	$ 0.72	$ 1.38	$ 1.39
Stock Options
Earnings Per Share, Diluted [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)		138,362	102,150	121,497	102,504
[1]	{F|ahBzfndlYmZpbGluZ3MtaHJkcmoLEgZYTUxEb2MiXlhCUkxEb2NHZW5JbmZvOjA3NGEwZjI1ZWZiNDRmYmQ4NTEyMjM5ZjJmMDdkZDVhfFRleHRTZWxlY3Rpb246QkFCRTUxRjYyQkY3NTNCRjkzQTFCNTg5QjYwMDJCQjAM}

Accumulated Other Comprehensi_3

Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020		Mar. 31, 2019
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period		$ 175,653	$ 156,905	$ 171,067	[1]	$ 124,657
Balance at end of period		178,008	162,338	178,008		162,338
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	[2]	(146)	(145)	50		(129)
Other comprehensive (loss) income	[2]	(33)	100	(229)		21
Balance at end of period	[2]	(179)	(45)	(179)		(45)
Accumulated Net Unrealized Investment Gain (Loss) | Available-for-sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	[2]	(116)	(81)	90		(58)
Other comprehensive (loss) income	[2]	(35)	84	(241)		(2)
Balance at end of period	[2]	(151)	3	(151)		3
Accumulated Net Unrealized Investment Gain (Loss) | Held-to-maturity Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	[2]	(30)	(64)	(40)		(71)
Other comprehensive (loss) income	[2]	2	16	12		23
Balance at end of period	[2]	$ (28)	$ (48)	$ (28)		(48)
Accounting Standards Update 2016-01
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Other comprehensive (loss) income						63
Accounting Standards Update 2016-01 | Accumulated Net Unrealized Investment Gain (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Other comprehensive (loss) income						63
Accounting Standards Update 2016-01 | Accumulated Net Unrealized Investment Gain (Loss) | Held-to-maturity Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Other comprehensive (loss) income						$ 0
[1]	Derived from audited consolidated financial statements.
[2]	All amounts are net of income taxes.

Stock Compensation Plans (Detai

Stock Compensation Plans (Details) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Jan. 28, 2020	Dec. 31, 2018	Jan. 27, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Aggregate intrinsic value of options exercised during the period	$ 628	$ 610
Number of unvested stock options (shares)	154,670	169,650
Unvested stock options, aggregate grant date fair value	$ 584	$ 513
Unvested stock options, aggregate intrinsic value	$ 222
Stock options vested during period (shares)	0	23,400
Stock options vested during period, aggregate grant date fair value		$ 218
Stock options, outstanding, aggregate intrinsic value	$ 1,410	$ 4,220
Unrecognized compensation expense, non-vested options	$ 510
Unrecognized compensation expense, non-vested options, amortization period (in years)	2 years 2 months 27 days
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized	300,000
Award vesting percentage	20.00%
Award vesting period (years)	5 years
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term	10 years
Number of unvested shares	0			0
Equity Incentive Plan 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized					352,366
Number of shares available for grant	37,726
Equity Incentive Plan 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized	350,000		350,000
MRDP | Stock Grant Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock grants awarded (shares)	0	0

Stock Compensation Plans_ Discl

Stock Compensation Plans: Disclosure of Share-based Compensation Arrangements by Share-based Payment Award (Details) - $ / shares	6 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Shares:
Options outstanding, beginning of period (shares)	378,304	380,820
Exercised (shares)	(36,375)	(30,416)
Granted (shares)	1,000	0
Forfeited (shares)	(8,650)	(3,900)
Options outstanding, end of period (shares)	334,279	346,504
Weighted Average Exercise Price (in dollars per share):
Options outstanding, beginning of period (dollars per share)	$ 18.15	$ 16.03
Exercised (dollars per share)	10.30	9.31
Granted (dollars per share)	26.50	0
Forfeited (dollars per share)	24.84	18.63
Options outstanding, end of period (dollars per share)	$ 18.86	$ 16.59

Stock Compensation Plans_ Stock

Stock Compensation Plans: Stock Options by Exercise Price (Details) - Stock Options shares in Thousands	6 Months Ended
	Mar. 31, 2020$ / sharesshares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number (shares) | shares	334,279
Options Outstanding, Weighed Average Exercise Price (dollars per share)	$ 18.86
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	6 years 4 months 18 days
Options Exercisable, Number (shares) | shares	179,609
Options Exercisable, Weighted Average Exercise Price (dollars per share)	$ 13.69
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	5 years 1 month 6 days
$4.01 - $4.55
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number (shares) | shares	1,000
Options Outstanding, Weighed Average Exercise Price (dollars per share)	$ 4.01
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	1 year 8 months
Options Exercisable, Number (shares) | shares	1,000
Options Exercisable, Weighted Average Exercise Price (dollars per share)	$ 4.01
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	1 year 8 months
Weighted Average Exercise Price, minimum (dollars per share)	$ 4.01
Weighted Average Exercise Price, maximum (dollars per share)	$ 4.55
$5.86 - $6.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number (shares) | shares	19,100
Options Outstanding, Weighed Average Exercise Price (dollars per share)	$ 5.97
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	2 years 6 months 24 days
Options Exercisable, Number (shares) | shares	19,100
Options Exercisable, Weighted Average Exercise Price (dollars per share)	$ 5.97
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	2 years 6 months 24 days
Weighted Average Exercise Price, minimum (dollars per share)	$ 5.86
Weighted Average Exercise Price, maximum (dollars per share)	$ 6
$9.00
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number (shares) | shares	37,425
Options Outstanding, Weighed Average Exercise Price (dollars per share)	$ 9
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	3 years 6 months 30 days
Options Exercisable, Number (shares) | shares	37,425
Options Exercisable, Weighted Average Exercise Price (dollars per share)	$ 9
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	3 years 6 months 30 days
Weighted Average Exercise Price, minimum (dollars per share)	$ 9
$10.26 - $10.71
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number (shares) | shares	91,064
Options Outstanding, Weighed Average Exercise Price (dollars per share)	$ 10.59
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	5 years 30 days
Options Exercisable, Number (shares) | shares	68,914
Options Exercisable, Weighted Average Exercise Price (dollars per share)	$ 10.58
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	5 years 9 days
Weighted Average Exercise Price, minimum (dollars per share)	$ 10.26
Weighted Average Exercise Price, maximum (dollars per share)	$ 10.71
$15.67
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number (shares) | shares	42,800
Options Outstanding, Weighed Average Exercise Price (dollars per share)	$ 15.67
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	6 years 6 months
Options Exercisable, Number (shares) | shares	23,000
Options Exercisable, Weighted Average Exercise Price (dollars per share)	$ 15.67
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	6 years 6 months
Weighted Average Exercise Price, minimum (dollars per share)	$ 15.67
$26.50 - $27.14
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number (shares) | shares	46,640
Options Outstanding, Weighed Average Exercise Price (dollars per share)	$ 27.13
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	9 years 6 months
Options Exercisable, Number (shares) | shares	0
Weighted Average Exercise Price, minimum (dollars per share)	$ 26.50
Weighted Average Exercise Price, maximum (dollars per share)	$ 27.14
$29.69
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number (shares) | shares	53,200
Options Outstanding, Weighed Average Exercise Price (dollars per share)	$ 29.69
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	7 years 6 months
Options Exercisable, Number (shares) | shares	21,400
Options Exercisable, Weighted Average Exercise Price (dollars per share)	$ 29.69
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	7 years 6 months
Weighted Average Exercise Price, minimum (dollars per share)	$ 29.69
$31.80
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Number (shares) | shares	43,050
Options Outstanding, Weighed Average Exercise Price (dollars per share)	$ 31.80
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	8 years 6 months
Options Exercisable, Number (shares) | shares	8,770
Options Exercisable, Weighted Average Exercise Price (dollars per share)	$ 31.80
Options Exercisable, Weighted Average Remaining Contractual Life (Years)	8 years 6 months
Weighted Average Exercise Price, minimum (dollars per share)	$ 31.80

Fair Value Measurements_ Balanc

Fair Value Measurements: Balances of assets and liabilities measured at estimated fair value on a recurring basis (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale investment securities, estimated fair value	$ 42,439	$ 23,490
MBS: U.S. government agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale investment securities, estimated fair value	41,470	22,532
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale investment securities, estimated fair value	969	958
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale investment securities, estimated fair value	41,470	22,532
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale investment securities, estimated fair value	0	0
Recurring | MBS: U.S. government agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale investment securities, estimated fair value	41,470	22,532
Recurring | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale investment securities, estimated fair value	969	958
Recurring | Fair Value, Inputs, Level 1 | MBS: U.S. government agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale investment securities, estimated fair value	0	0
Recurring | Fair Value, Inputs, Level 1 | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale investment securities, estimated fair value	969	958
Recurring | Fair Value, Inputs, Level 2 | MBS: U.S. government agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale investment securities, estimated fair value	41,470	22,532
Recurring | Fair Value, Inputs, Level 2 | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale investment securities, estimated fair value	0	0
Recurring | Fair Value, Inputs, Level 3 | MBS: U.S. government agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale investment securities, estimated fair value	0	0
Recurring | Fair Value, Inputs, Level 3 | Mutual funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale investment securities, estimated fair value	$ 0	$ 0

Fair Value Measurements_ Bala_2

Fair Value Measurements: Balances of assets measured at estimated fair value on a non-recurring basis, and total losses resulting from estimated fair value adjustments (Details) - Nonrecurring - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Fair Value, Inputs, Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	$ 0	$ 0
Fair Value, Inputs, Level 1 | Mortgage loans, land
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	0	0
Fair Value, Inputs, Level 1 | Other consumer loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring		0
Fair Value, Inputs, Level 1 | Commercial business loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	0	0
Fair Value, Inputs, Level 1 | Total impaired loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	0	0
Fair Value, Inputs, Level 1 | Private label residential
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	0	0
Fair Value, Inputs, Level 1 | OREO and other repossessed assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	0	0
Fair Value, Inputs, Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	15	2
Fair Value, Inputs, Level 2 | Mortgage loans, land
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	0	0
Fair Value, Inputs, Level 2 | Other consumer loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring		0
Fair Value, Inputs, Level 2 | Commercial business loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	0	0
Fair Value, Inputs, Level 2 | Total impaired loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	0	0
Fair Value, Inputs, Level 2 | Private label residential
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	15	2
Fair Value, Inputs, Level 2 | OREO and other repossessed assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	0	0
Fair Value, Inputs, Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	2,569	2,211
Fair Value, Inputs, Level 3 | Mortgage loans, land
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	111	114
Fair Value, Inputs, Level 3 | Other consumer loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring		6
Fair Value, Inputs, Level 3 | Commercial business loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	335	408
Fair Value, Inputs, Level 3 | Total impaired loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	931	528
Fair Value, Inputs, Level 3 | Private label residential
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	15	0
Fair Value, Inputs, Level 3 | OREO and other repossessed assets
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, estimated fair value, nonrecurring	$ 1,623	$ 1,683

Fair Value Measurements_ Fair V

Fair Value Measurements: Fair Value Measurements, Nonrecurring, Valuation Techniques (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Fair Value, Inputs, Level 1 | Mortgage loans, one-to-four family
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	$ 0
Fair Value, Inputs, Level 2 | Mortgage loans, one-to-four family
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	0
Fair Value, Inputs, Level 3 | Mortgage loans, one-to-four family
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	485
Nonrecurring | Fair Value, Inputs, Level 1
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	0	$ 0
Nonrecurring | Fair Value, Inputs, Level 1 | Other consumer loans
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring		0
Nonrecurring | Fair Value, Inputs, Level 1 | Commercial business loans
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	0	0
Nonrecurring | Fair Value, Inputs, Level 1 | Mortgage loans, land
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	0	0
Nonrecurring | Fair Value, Inputs, Level 1 | Impaired loans
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	0	0
Nonrecurring | Fair Value, Inputs, Level 1 | Private label residential
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	0	0
Nonrecurring | Fair Value, Inputs, Level 1 | OREO and other repossessed assets
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	0	0
Nonrecurring | Fair Value, Inputs, Level 2
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	15	2
Nonrecurring | Fair Value, Inputs, Level 2 | Other consumer loans
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring		0
Nonrecurring | Fair Value, Inputs, Level 2 | Commercial business loans
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	0	0
Nonrecurring | Fair Value, Inputs, Level 2 | Mortgage loans, land
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	0	0
Nonrecurring | Fair Value, Inputs, Level 2 | Impaired loans
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	0	0
Nonrecurring | Fair Value, Inputs, Level 2 | Private label residential
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	15	2
Nonrecurring | Fair Value, Inputs, Level 2 | OREO and other repossessed assets
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	0	0
Nonrecurring | Fair Value, Inputs, Level 3
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	2,569	2,211
Nonrecurring | Fair Value, Inputs, Level 3 | Other consumer loans
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring		6
Nonrecurring | Fair Value, Inputs, Level 3 | Commercial business loans
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	335	408
Nonrecurring | Fair Value, Inputs, Level 3 | Mortgage loans, land
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	111	114
Nonrecurring | Fair Value, Inputs, Level 3 | Impaired loans
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	931	528
Nonrecurring | Fair Value, Inputs, Level 3 | Impaired loans | Market Approach Valuation Technique
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	931	528
Nonrecurring | Fair Value, Inputs, Level 3 | OREO and other repossessed assets | Market Approach Valuation Technique
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	1,623	1,683
Nonrecurring | Fair Value, Inputs, Level 3 | Private label residential
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	15	0
Nonrecurring | Fair Value, Inputs, Level 3 | OREO and other repossessed assets
Fair Value Inputs, Assets, Quantitative Information [Line Items] (Deprecated 2018-01-31)
Assets, estimated fair value, nonrecurring	$ 1,623	$ 1,683

Fair Value Measurements_ Schedu

Fair Value Measurements: Schedule of estimated fair values of financial instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Sep. 30, 2019
Fair value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Other investments, at cost	$ 3,000	$ 3,000	[1]
Recorded Amount
Fair value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	168,148	143,015
CDs held for investment	82,472	78,346
Investment securities	78,137	53,634
Investments in equity securities	969	958
FHLB stock	1,922	1,437
Other investments, at cost	3,000	3,000
Loans held for sale	5,798	6,071
Loans receivable, net	907,657	886,662
Accrued interest receivable	3,595	3,598
Certificates of deposit	173,201	165,655
FHLB borrowings	10,000
Accrued interest payable	357	333
Fair Value
Fair value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	168,148	143,015
CDs held for investment	82,472	78,346
Investment securities	79,803	55,112
Investments in equity securities	969	958
FHLB stock	1,922	1,437
Other investments, at cost	3,000	3,000
Loans held for sale	5,900	6,260
Loans receivable, net	928,886	892,495
Accrued interest receivable	3,595	3,598
Certificates of deposit	175,645	166,852
FHLB borrowings	10,028
Accrued interest payable	357	333
Fair Value | Fair Value, Inputs, Level 1
Fair value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	168,148	143,015
CDs held for investment	82,472	78,346
Investment securities	2,997	3,949
Investments in equity securities	969	958
FHLB stock	1,922	1,437
Other investments, at cost	3,000	3,000
Loans held for sale	5,900	6,260
Loans receivable, net	0	0
Accrued interest receivable	3,595	3,598
Certificates of deposit	0	0
FHLB borrowings	0
Accrued interest payable	357	333
Fair Value | Fair Value, Inputs, Level 2
Fair value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	0	0
CDs held for investment	0	0
Investment securities	76,806	51,163
Investments in equity securities	0	0
FHLB stock	0	0
Other investments, at cost	0	0
Loans held for sale	0	0
Loans receivable, net	0	0
Accrued interest receivable	0	0
Certificates of deposit	0	0
FHLB borrowings	0
Accrued interest payable	0	0
Fair Value | Fair Value, Inputs, Level 3
Fair value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	0	0
CDs held for investment	0	0
Investment securities	0	0
Investments in equity securities	0	0
FHLB stock	0	0
Other investments, at cost	0	0
Loans held for sale	0	0
Loans receivable, net	928,886	892,495
Accrued interest receivable	0	0
Certificates of deposit	175,645	166,852
FHLB borrowings	10,028
Accrued interest payable	$ 0	$ 0
[1]	Derived from audited consolidated financial statements.

Recent Accounting Pronounceme_2

Recent Accounting Pronouncements - Narrative (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Oct. 01, 2019	Sep. 30, 2019	[1]	Oct. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other assets	$ 2,967		$ 5,323
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other assets		$ 2,890
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adoption of Accounting Standards Update (ASU) 2016-01					$ 63
Retained Earnings | Accounting Standards Update 2016-01
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adoption of Accounting Standards Update (ASU) 2016-01					$ 63
[1]	Derived from audited consolidated financial statements.