XML 39 R28.htm IDEA: XBRL DOCUMENT v3.25.1

Loan Credit Quality Analysis (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 520,000	$ 503,000
Current Year	19,642,000	115,140,000
1 Year Prior	100,259,000	113,374,000
2 year prior	105,023,000	117,909,000
3 year prior	117,973,000	65,868,000
4 year pior	67,388,000	45,970,000
Prior	126,836,000	82,763,000
Revolving Loans	23,529,000	22,993,000
Total loans	560,650,000	564,017,000
Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year Writeoff		25,000
Financing Receivable Excluding Accrued Interest Year Two Originated Current Fiscal Year Writeoff	0	42,000
Financing Receivable Excluding Accrued Interest Year Three Originated Current Fiscal Year Writeoff	99,000	51,000
Financing Receivable Excluding Accrued Interest Year Four Originated Current Fiscal Year Writeoff	0	1,000
Financing Receivable Excluding Accrued Interest Year Five Originated Current Fiscal Year Writeoff	0	0
Financing Receivable Excluding Accrued Interest Year Originated More Than Five Years Before Current Fiscal Year Writeoff	1,000	65,000
Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff	100,000	184,000
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	19,590,000	113,566,000
1 Year Prior	98,721,000	112,867,000
2 year prior	104,791,000	117,625,000
3 year prior	117,704,000	65,843,000
4 year pior	67,366,000	45,114,000
Prior	124,964,000	81,746,000
Revolving Loans	23,529,000	22,993,000
Total loans	556,665,000	559,754,000
Financing Receivable Excluding Accrued Interest Year Originated More Than Five Years Before Current Fiscal Year Writeoff		61,000
Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff		61,000
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	1,000	292,000
1 Year Prior	293,000	332,000
2 year prior	85,000	0
3 year prior	0	9,000
4 year pior	9,000	593,000
Prior	843,000	486,000
Revolving Loans	0	0
Total loans	1,231,000	1,712,000
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	51,000	878,000
1 Year Prior	841,000	76,000
2 year prior	34,000	284,000
3 year prior	266,000	16,000
4 year pior	13,000	263,000
Prior	1,029,000	531,000
Revolving Loans	0	0
Total loans	2,234,000	2,048,000
NonAccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	404,000
1 Year Prior	404,000	99,000
2 year prior	113,000	0
3 year prior	3,000	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	520,000	503,000
Commercial and Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	3,000	99,000
Current Year	2,211,000	11,389,000
1 Year Prior	5,763,000	7,459,000
2 year prior	6,833,000	8,669,000
3 year prior	8,297,000	9,684,000
4 year pior	12,134,000	4,659,000
Prior	21,273,000	16,989,000
Revolving Loans	2,550,000	4,425,000
Total loans	59,061,000	63,274,000
Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year Writeoff		0
Financing Receivable Excluding Accrued Interest Year Two Originated Current Fiscal Year Writeoff		0
Financing Receivable Excluding Accrued Interest Year Three Originated Current Fiscal Year Writeoff	99,000	9,000
Financing Receivable Excluding Accrued Interest Year Four Originated Current Fiscal Year Writeoff		0
Financing Receivable Excluding Accrued Interest Year Five Originated Current Fiscal Year Writeoff		0
Financing Receivable Excluding Accrued Interest Year Originated More Than Five Years Before Current Fiscal Year Writeoff		0
Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff	99,000	9,000
Commercial and Industrial Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	2,160,000	11,290,000
1 Year Prior	5,714,000	7,265,000
2 year prior	6,740,000	8,488,000
3 year prior	8,130,000	9,677,000
4 year pior	12,128,000	4,659,000
Prior	21,273,000	16,989,000
Revolving Loans	2,550,000	4,425,000
Total loans	58,695,000	62,793,000
Commercial and Industrial Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	49,000
1 Year Prior	49,000	74,000
2 year prior	74,000	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	123,000	123,000
Commercial and Industrial Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	51,000	50,000
1 Year Prior	0	21,000
2 year prior	19,000	181,000
3 year prior	164,000	7,000
4 year pior	6,000	0
Prior	0	0
Revolving Loans	0	0
Total loans	240,000	259,000
Commercial and Industrial Loans [Member] | NonAccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	99,000
2 year prior	0	0
3 year prior	3,000	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	3,000	99,000
Construction And Land Development Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	404,000	404,000
Current Year	4,983,000	31,548,000
1 Year Prior	36,080,000	29,520,000
2 year prior	23,353,000	16,504,000
3 year prior	16,671,000	1,794,000
4 year pior	951,000	1,434,000
Prior	737,000	104,000
Revolving Loans	3,628,000	1,589,000
Total loans	86,403,000	82,493,000
Construction And Land Development Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	4,983,000	31,144,000
1 Year Prior	35,676,000	29,520,000
2 year prior	23,353,000	16,504,000
3 year prior	16,671,000	1,794,000
4 year pior	951,000	1,434,000
Prior	737,000	104,000
Revolving Loans	3,628,000	1,589,000
Total loans	85,999,000	82,089,000
Construction And Land Development Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	0	0
Construction And Land Development Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	0	0
Construction And Land Development Loans [Member] | NonAccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	404,000
1 Year Prior	404,000	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	404,000	404,000
Commercial Real Estate Owner Occupied Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Current Year	7,216,000	2,432,000
1 Year Prior	1,948,000	11,455,000
2 year prior	10,856,000	6,776,000
3 year prior	6,626,000	17,114,000
4 year pior	16,856,000	3,987,000
Prior	15,549,000	12,030,000
Revolving Loans	2,028,000	1,552,000
Total loans	61,079,000	55,346,000
Commercial Real Estate Owner Occupied Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	7,216,000	1,921,000
1 Year Prior	1,440,000	11,206,000
2 year prior	10,856,000	6,776,000
3 year prior	6,626,000	17,114,000
4 year pior	16,856,000	3,396,000
Prior	14,968,000	12,030,000
Revolving Loans	2,028,000	1,552,000
Total loans	59,990,000	53,995,000
Commercial Real Estate Owner Occupied Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	249,000
2 year prior	0	0
3 year prior	0	0
4 year pior	0	591,000
Prior	581,000	0
Revolving Loans	0	0
Total loans	581,000	840,000
Commercial Real Estate Owner Occupied Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	511,000
1 Year Prior	508,000	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	508,000	511,000
Commercial Real Estate Owner Occupied Loans [Member] | NonAccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	0	0
Commercial Real Estate Hotel Motel [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	0
Current Year	0	480,000
1 Year Prior	461,000	6,480,000
2 year prior	6,397,000	5,303,000
3 year prior	9,322,000	3,079,000
4 year pior	3,047,000	1,299,000
Prior	15,380,000	14,437,000
Revolving Loans	0	4,132,000
Total loans	34,607,000	35,210,000
Commercial Real Estate Hotel Motel [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	480,000
1 Year Prior	461,000	6,480,000
2 year prior	6,397,000	5,303,000
3 year prior	9,322,000	3,079,000
4 year pior	3,047,000	1,299,000
Prior	15,380,000	14,437,000
Revolving Loans	0	4,132,000
Total loans	34,607,000	35,210,000
Commercial Real Estate Hotel Motel [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	0	0
Commercial Real Estate Hotel Motel [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	0	0
Commercial Real Estate Hotel Motel [Member] | NonAccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	0	0
Commercial Real Estate Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Current Year	20,000	3,739,000
1 Year Prior	3,728,000	6,041,000
2 year prior	8,495,000	17,037,000
3 year prior	16,930,000	1,863,000
4 year pior	1,843,000	3,493,000
Prior	12,160,000	6,400,000
Revolving Loans	22,000	4,983,000
Total loans	43,198,000	43,556,000
Commercial Real Estate Multifamily [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	20,000	3,739,000
1 Year Prior	3,728,000	6,041,000
2 year prior	8,495,000	17,037,000
3 year prior	16,930,000	1,863,000
4 year pior	1,843,000	3,493,000
Prior	12,160,000	6,400,000
Revolving Loans	22,000	4,983,000
Total loans	43,198,000	43,556,000
Commercial Real Estate Multifamily [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	0	0
Commercial Real Estate Multifamily [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	0	0
Commercial Real Estate Multifamily [Member] | NonAccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	0	0
Commercial Real Estate Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	0	0
Current Year	974,000	43,753,000
1 Year Prior	32,992,000	21,085,000
2 year prior	19,560,000	32,521,000
3 year prior	30,079,000	21,249,000
4 year pior	21,556,000	16,863,000
Prior	31,684,000	16,289,000
Revolving Loans	12,624,000	4,120,000
Total loans	149,469,000	155,880,000
Commercial Real Estate Other Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	974,000	43,753,000
1 Year Prior	32,992,000	21,085,000
2 year prior	19,560,000	32,521,000
3 year prior	30,079,000	21,249,000
4 year pior	21,556,000	16,743,000
Prior	31,565,000	16,289,000
Revolving Loans	12,624,000	4,120,000
Total loans	149,350,000	155,760,000
Commercial Real Estate Other Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	0	0
Commercial Real Estate Other Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	120,000
Prior	119,000	0
Revolving Loans	0	0
Total loans	119,000	120,000
Commercial Real Estate Other Loans [Member] | NonAccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	0	0
Commercial Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	288,353,000	289,992,000
Residential Real Estate Consumer Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	73,000	0
Current Year	806,000	6,128,000
1 Year Prior	5,247,000	18,389,000
2 year prior	17,371,000	18,434,000
3 year prior	17,824,000	2,466,000
4 year pior	2,598,000	2,567,000
Prior	14,231,000	11,607,000
Revolving Loans	1,582,000	808,000
Total loans	59,659,000	60,399,000
Financing Receivable Excluding Accrued Interest Year Five Originated Current Fiscal Year Writeoff	0
Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff	1,000
Residential Real Estate Consumer Mortgage Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	806,000	5,885,000
1 Year Prior	5,003,000	18,389,000
2 year prior	17,298,000	18,434,000
3 year prior	17,824,000	2,466,000
4 year pior	2,598,000	2,565,000
Prior	13,201,000	10,590,000
Revolving Loans	1,582,000	808,000
Total loans	58,312,000	59,137,000
Residential Real Estate Consumer Mortgage Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	243,000
1 Year Prior	244,000	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	2,000
Prior	262,000	486,000
Revolving Loans	0	0
Total loans	506,000	731,000
Residential Real Estate Consumer Mortgage Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	768,000	531,000
Revolving Loans	0	0
Total loans	768,000	531,000
Residential Real Estate Consumer Mortgage Loans [Member] | NonAccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	73,000	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	73,000	0
Residential Real Estate Investment Property Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	40,000	0
Current Year	1,409,000	10,617,000
1 Year Prior	10,593,000	10,864,000
2 year prior	10,444,000	10,744,000
3 year prior	10,754,000	8,314,000
4 year pior	8,164,000	11,578,000
Prior	15,715,000	4,794,000
Revolving Loans	762,000	1,317,000
Total loans	57,841,000	58,228,000
Residential Real Estate Investment Property Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	1,409,000	10,339,000
1 Year Prior	10,306,000	10,824,000
2 year prior	10,404,000	10,651,000
3 year prior	10,661,000	8,305,000
4 year pior	8,157,000	11,435,000
Prior	15,573,000	4,794,000
Revolving Loans	762,000	1,317,000
Total loans	57,272,000	57,665,000
Residential Real Estate Investment Property Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	0	0
Residential Real Estate Investment Property Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	278,000
1 Year Prior	287,000	40,000
2 year prior	0	93,000
3 year prior	93,000	9,000
4 year pior	7,000	143,000
Prior	142,000	0
Revolving Loans	0	0
Total loans	529,000	563,000
Residential Real Estate Investment Property Loans [Member] | NonAccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	40,000	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	40,000	0
Residential Real Estate Loans, Total [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Recorded Investment, Nonaccrual Status	113,000
Total loans	117,500,000	118,627,000
Consumer Installment and Revolving Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	2,023,000	5,054,000
1 Year Prior	3,447,000	2,081,000
2 year prior	1,714,000	1,921,000
3 year prior	1,470,000	305,000
4 year pior	239,000	90,000
Prior	107,000	113,000
Revolving Loans	333,000	67,000
Total loans	9,333,000	9,631,000
Financing Receivable Excluding Accrued Interest Year One Originated Current Fiscal Year Writeoff		25,000
Financing Receivable Excluding Accrued Interest Year Two Originated Current Fiscal Year Writeoff	0	42,000
Financing Receivable Excluding Accrued Interest Year Three Originated Current Fiscal Year Writeoff	0	42,000
Financing Receivable Excluding Accrued Interest Year Four Originated Current Fiscal Year Writeoff	0	1,000
Financing Receivable Excluding Accrued Interest Year Five Originated Current Fiscal Year Writeoff		0
Financing Receivable Excluding Accrued Interest Year Originated More Than Five Years Before Current Fiscal Year Writeoff	0	4,000
Financing Receivable Excluding Accrued Interest Allowance For Credit Loss Writeoff	0	114,000
Consumer Installment and Revolving Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	2,022,000	5,015,000
1 Year Prior	3,401,000	2,057,000
2 year prior	1,688,000	1,911,000
3 year prior	1,461,000	296,000
4 year pior	230,000	90,000
Prior	107,000	113,000
Revolving Loans	333,000	67,000
Total loans	9,242,000	9,549,000
Consumer Installment and Revolving Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	1,000	0
1 Year Prior	0	9,000
2 year prior	11,000	0
3 year prior	0	9,000
4 year pior	9,000	0
Prior	0	0
Revolving Loans	0	0
Total loans	21,000	18,000
Consumer Installment and Revolving Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	39,000
1 Year Prior	46,000	15,000
2 year prior	15,000	10,000
3 year prior	9,000	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	70,000	64,000
Consumer Installment and Revolving Loans [Member] | NonAccrual [Member]
Financing Receivable, Recorded Investment [Line Items]
Current Year	0	0
1 Year Prior	0	0
2 year prior	0	0
3 year prior	0	0
4 year pior	0	0
Prior	0	0
Revolving Loans	0	0
Total loans	$ 0	$ 0

X

- Definition

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, excluding accrued interest, of writeoff of financing receivable originated more than five years before current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amortized cost excluding accrued interest, of financing receivable that can be withdrawn, repaid, and redrawn.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestRevolving
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortized cost excluding accrued interest, of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, excluding accrued interest, of writeoff of financing receivable originated four years before current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amortized cost excluding accrued interest, of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, excluding accrued interest, of writeoff of financing receivable originated three years before current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amortized cost excluding accrued interest, of financing receivable originated in current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, excluding accrued interest, of writeoff of financing receivable originated in current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amortized cost excluding accrued interest, of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, excluding accrued interest, of writeoff of financing receivable originated two years before current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amortized cost excluding accrued interest of financing receivable originated in fiscal year prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, excluding accrued interest, of writeoff of financing receivable originated in fiscal year before current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 29
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-29

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (3)
-Publisher SEC

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (2)
-Publisher SEC

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=aubn_NonaccrualMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_CommercialAndIndustrialLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_ConstructionAndLandDevelopmentLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_CommercialRealEstateOwnerOccupiedLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_CommercialRealEstateHotelMotelMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_CommercialRealEstateMultifamilyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_CommercialRealEstateOtherLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_CommercialRealEstateLoansTotalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_ResidentialRealEstateConsumerMortgageLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_ResidentialRealEstateInvestmentPropertyLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_ResidentialRealEstateLoansTotalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aubn_ConsumerInstallmentAndRevolvingLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: