The amount of adjustment to the reserve for unfunded commitments due to application of new standard.

No definition available.

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- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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- Definition

Amount of increase (decrease) in allowance for credit loss on financing receivable.

+ References

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- Definition

Amount of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration.

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- Definition

Amount, before allowance for credit loss, of financing receivable.

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- Definition

Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Organization and Summary of Significant Accounting Policies - New Accounting Pronouncements (Details) - USD ($)		12 Months Ended
	Jul. 01, 2020	Jun. 30, 2020	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020	Sep. 30, 2020
Allowance for Credit Loss on loans		$ 25,139,000	$ 32,529,000	$ 32,543,000	$ 33,222,000	$ 35,471,000	$ 35,084,000
Total allowance for credit losses on off-balance sheet credit exposures		1,959,000	2,179,000	2,179,000	1,805,000	2,842,000	2,453,000
Accounting Standards Update 2016-13
Loans receivable		2,141,929,000
Allowance for Credit Loss on loans		25,139,000
Total allowance for credit losses on off-balance sheet credit exposures		1,959,000
As reported under ASU 2016-13
Adjustment to the reserve for unfunded commitments	$ 268,000
Retained earnings	7,200,000
As reported under ASU 2016-13 \| Accounting Standards Update 2016-13
Loans receivable	2,142,363,000
Allowance for Credit Loss on loans	34,472,000
Total allowance for credit losses on off-balance sheet credit exposures	2,227,000
Impact of adoption ASU 2016-13
Increase to ACL		8,900,000
PCD, increase in ALLL		434,000
Total allowance for credit losses on off-balance sheet credit exposures						268,000
Impact of adoption ASU 2016-13 \| Accounting Standards Update 2016-13
Loans receivable	434,000
Allowance for Credit Loss on loans	9,333,000
Total allowance for credit losses on off-balance sheet credit exposures	268,000
Impact of adoption ASU 2016-13 \| Purchased credit deteriorated ("PCD") loans
Increase to ACL	434,000
Residential and commercial real estate loans \| Purchased credit deteriorated ("PCD") loans
Loans receivable	434,000
Residential Real Estate
Allowance for Credit Loss on loans		4,875,000	10,757,000	10,634,000	11,192,000	10,398,000	8,629,000
Total allowance for credit losses on off-balance sheet credit exposures		19,000	34,000	34,000	37,000	49,000	59,000
Residential Real Estate \| Accounting Standards Update 2016-13
Allowance for Credit Loss on loans		4,875,000
Residential Real Estate \| As reported under ASU 2016-13 \| Accounting Standards Update 2016-13
Allowance for Credit Loss on loans	8,396,000
Residential Real Estate \| Impact of adoption ASU 2016-13
Total allowance for credit losses on off-balance sheet credit exposures						35,000
Residential Real Estate \| Impact of adoption ASU 2016-13 \| Accounting Standards Update 2016-13
Allowance for Credit Loss on loans	3,521,000
Construction Real Estate
Allowance for Credit Loss on loans		2,010,000	2,126,000	2,045,000	2,170,000	2,387,000	1,892,000
Total allowance for credit losses on off-balance sheet credit exposures		769,000	1,673,000	1,673,000	502,000	942,000	768,000
Construction Real Estate \| Accounting Standards Update 2016-13
Allowance for Credit Loss on loans		2,010,000
Construction Real Estate \| As reported under ASU 2016-13 \| Accounting Standards Update 2016-13
Allowance for Credit Loss on loans	1,889,000
Construction Real Estate \| Impact of adoption ASU 2016-13
Total allowance for credit losses on off-balance sheet credit exposures						(167,000)
Construction Real Estate \| Impact of adoption ASU 2016-13 \| Accounting Standards Update 2016-13
Allowance for Credit Loss on loans	(121,000)
Commercial Real Estate
Allowance for Credit Loss on loans		12,132,000	14,727,000	14,883,000	14,535,000	15,239,000	16,050,000
Total allowance for credit losses on off-balance sheet credit exposures		172,000	170,000	170,000	188,000	285,000	299,000
Commercial Real Estate \| Accounting Standards Update 2016-13
Allowance for Credit Loss on loans		12,132,000
Commercial Real Estate \| As reported under ASU 2016-13 \| Accounting Standards Update 2016-13
Allowance for Credit Loss on loans	15,988,000
Commercial Real Estate \| Impact of adoption ASU 2016-13
Total allowance for credit losses on off-balance sheet credit exposures						95,000
Commercial Real Estate \| Impact of adoption ASU 2016-13 \| Accounting Standards Update 2016-13
Allowance for Credit Loss on loans	3,856,000
Consumer loans
Allowance for Credit Loss on loans		1,182,000	830,000	873,000	916,000	1,362,000	2,305,000
Total allowance for credit losses on off-balance sheet credit exposures		153,000	58,000	58,000	218,000	250,000	354,000
Consumer loans \| Accounting Standards Update 2016-13
Allowance for Credit Loss on loans		1,182,000
Consumer loans \| As reported under ASU 2016-13 \| Accounting Standards Update 2016-13
Allowance for Credit Loss on loans	2,247,000
Consumer loans \| Impact of adoption ASU 2016-13
Total allowance for credit losses on off-balance sheet credit exposures						197,000
Consumer loans \| Impact of adoption ASU 2016-13 \| Accounting Standards Update 2016-13
Allowance for Credit Loss on loans	1,065,000
Commercial loans
Allowance for Credit Loss on loans		4,940,000	4,089,000	4,108,000	4,409,000	6,085,000	6,208,000
Total allowance for credit losses on off-balance sheet credit exposures		846,000	$ 244,000	$ 244,000	$ 860,000	1,316,000	$ 973,000
Commercial loans \| Accounting Standards Update 2016-13
Allowance for Credit Loss on loans		$ 4,940,000
Commercial loans \| As reported under ASU 2016-13 \| Accounting Standards Update 2016-13
Allowance for Credit Loss on loans	5,952,000
Commercial loans \| Impact of adoption ASU 2016-13
Total allowance for credit losses on off-balance sheet credit exposures						$ 108,000
Commercial loans \| Impact of adoption ASU 2016-13 \| Accounting Standards Update 2016-13
Allowance for Credit Loss on loans	$ 1,012,000