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INVESTMENT SECURITIES - Schedule of Amortized Cost and Fair Values of Securities Held to Maturity (Details) - Debt Securities [Member] - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Mar. 31, 2025
Sep. 30, 2024
Securities available-for-sale:    
Securities Available-For-Sale, Amortized Cost $ 20,449 $ 16,747
Securities held-to-maturity, Amortized Cost 74,638 79,816
Securities Available-For-Sale, Gross Unrealized Gains 150 77
Securities held-to-maturity, Gross Unrealized Gains 40 84
Securities Available-For-Sale, Gross Unrealized Losses (1,254) (1,208)
Securities held-to-maturity, Gross Unrealized Losses (7,557) (7,283)
Securities Available-For-Sale, Allowance for Credit Losses
Securities held-to-maturity, Allowance for Credit Losses
Securities Available-For-Sale, Fair Value 19,345 15,616
Securities held-to-maturity, Fair Value 67,121 72,617
Securities Held-To-Maturity, Credit Rating 74,638 79,816
Securities held-to-maturity:    
Securities Available-For-Sale, Amortized Cost 20,449 16,747
Securities held-to-maturity, Amortized Cost 74,638 79,816
Securities Available-For-Sale, Gross Unrealized Gains 150 77
Securities held-to-maturity, Gross Unrealized Gains 40 84
Securities Available-For-Sale, Gross Unrealized Losses (1,254) (1,208)
Securities held-to-maturity, Gross Unrealized Losses (7,557) (7,283)
Securities Available-For-Sale, Allowance for Credit Losses
Securities held-to-maturity, Allowance for Credit Losses
Securities Available-For-Sale, Fair Value 19,345 15,616
Securities held-to-maturity, Fair Value 67,121 72,617
Securities Held-To-Maturity, Credit Rating 74,638 79,816
Total investment securities, Amortized Cost 95,087 96,563
Total investment securities, Gross Unrealized Gains 190 161
Total investment securities, Gross Unrealized Losses (8,811) (8,491)
Total investment securities, Allowance for Credit Losses
Total investment securities, Fair Value 86,466 88,233
Obligations of U.S. government agencies:    
Securities Available-For-Sale, Amortized Cost 20,449 16,747
Securities held-to-maturity, Amortized Cost 74,638 79,816
Securities Available-For-Sale, Gross Unrealized Gains 150 77
Securities held-to-maturity, Gross Unrealized Gains 40 84
Securities Available-For-Sale, Gross Unrealized Losses (1,254) (1,208)
Securities held-to-maturity, Gross Unrealized Losses (7,557) (7,283)
Securities Available-For-Sale, Allowance for Credit Losses
Securities held-to-maturity, Allowance for Credit Losses
Securities Available-For-Sale, Fair Value 19,345 15,616
Securities held-to-maturity, Fair Value 67,121 72,617
Securities Held-To-Maturity, Credit Rating 74,638 79,816
Standard & Poor's, AAA/AA/A Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost 74,638 79,816
Securities Held-To-Maturity, Credit Rating 74,638 79,816
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost 74,638 79,816
Securities Held-To-Maturity, Credit Rating 74,638 79,816
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost 74,638 79,816
Securities Held-To-Maturity, Credit Rating 74,638 79,816
Standard & Poor's, BBB/BB/B Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Non-rated [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Mortgage-backed securities - residential [Member] | Obligations of U.S. government agencies [Member]    
Securities available-for-sale:    
Securities Available-For-Sale, Amortized Cost 92 95
Securities held-to-maturity, Amortized Cost 6,901 7,209
Securities Available-For-Sale, Gross Unrealized Gains
Securities held-to-maturity, Gross Unrealized Gains
Securities Available-For-Sale, Gross Unrealized Losses (9) (6)
Securities held-to-maturity, Gross Unrealized Losses (699) (611)
Securities Available-For-Sale, Allowance for Credit Losses
Securities held-to-maturity, Allowance for Credit Losses
Securities Available-For-Sale, Fair Value 83 89
Securities held-to-maturity, Fair Value 6,202 6,598
Securities Held-To-Maturity, Credit Rating 6,901 7,209
Securities held-to-maturity:    
Securities Available-For-Sale, Amortized Cost 92 95
Securities held-to-maturity, Amortized Cost 6,901 7,209
Securities Available-For-Sale, Gross Unrealized Gains
Securities held-to-maturity, Gross Unrealized Gains
Securities Available-For-Sale, Gross Unrealized Losses (9) (6)
Securities held-to-maturity, Gross Unrealized Losses (699) (611)
Securities Available-For-Sale, Allowance for Credit Losses
Securities held-to-maturity, Allowance for Credit Losses
Securities Available-For-Sale, Fair Value 83 89
Securities held-to-maturity, Fair Value 6,202 6,598
Securities Held-To-Maturity, Credit Rating 6,901 7,209
Obligations of U.S. government agencies:    
Securities Available-For-Sale, Amortized Cost 92 95
Securities held-to-maturity, Amortized Cost 6,901 7,209
Securities Available-For-Sale, Gross Unrealized Gains
Securities held-to-maturity, Gross Unrealized Gains
Securities Available-For-Sale, Gross Unrealized Losses (9) (6)
Securities held-to-maturity, Gross Unrealized Losses (699) (611)
Securities Available-For-Sale, Allowance for Credit Losses
Securities held-to-maturity, Allowance for Credit Losses
Securities Available-For-Sale, Fair Value 83 89
Securities held-to-maturity, Fair Value 6,202 6,598
Securities Held-To-Maturity, Credit Rating 6,901 7,209
Mortgage-backed securities - residential [Member] | Obligations of U.S. government agencies [Member] | Standard & Poor's, AAA/AA/A Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost 6,901 7,209
Securities Held-To-Maturity, Credit Rating 6,901 7,209
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost 6,901 7,209
Securities Held-To-Maturity, Credit Rating 6,901 7,209
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost 6,901 7,209
Securities Held-To-Maturity, Credit Rating 6,901 7,209
Mortgage-backed securities - residential [Member] | Obligations of U.S. government agencies [Member] | Standard & Poor's, BBB/BB/B Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Mortgage-backed securities - residential [Member] | Obligations of U.S. government agencies [Member] | Non-rated [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Mortgage-backed securities - residential [Member] | Obligations of U.S. government-sponsored enterprises [Member]    
Securities available-for-sale:    
Securities Available-For-Sale, Amortized Cost 16,357 12,652
Securities held-to-maturity, Amortized Cost 42,564 42,701
Securities Available-For-Sale, Gross Unrealized Gains 51 56
Securities held-to-maturity, Gross Unrealized Gains 2 4
Securities Available-For-Sale, Gross Unrealized Losses (1,245) (1,202)
Securities held-to-maturity, Gross Unrealized Losses (5,576) (5,194)
Securities Available-For-Sale, Allowance for Credit Losses
Securities held-to-maturity, Allowance for Credit Losses
Securities Available-For-Sale, Fair Value 15,163 11,506
Securities held-to-maturity, Fair Value 36,990 37,511
Securities Held-To-Maturity, Credit Rating 42,564 42,701
Securities held-to-maturity:    
Securities Available-For-Sale, Amortized Cost 16,357 12,652
Securities held-to-maturity, Amortized Cost 42,564 42,701
Securities Available-For-Sale, Gross Unrealized Gains 51 56
Securities held-to-maturity, Gross Unrealized Gains 2 4
Securities Available-For-Sale, Gross Unrealized Losses (1,245) (1,202)
Securities held-to-maturity, Gross Unrealized Losses (5,576) (5,194)
Securities Available-For-Sale, Allowance for Credit Losses
Securities held-to-maturity, Allowance for Credit Losses
Securities Available-For-Sale, Fair Value 15,163 11,506
Securities held-to-maturity, Fair Value 36,990 37,511
Securities Held-To-Maturity, Credit Rating 42,564 42,701
Obligations of U.S. government agencies:    
Securities Available-For-Sale, Amortized Cost 16,357 12,652
Securities held-to-maturity, Amortized Cost 42,564 42,701
Securities Available-For-Sale, Gross Unrealized Gains 51 56
Securities held-to-maturity, Gross Unrealized Gains 2 4
Securities Available-For-Sale, Gross Unrealized Losses (1,245) (1,202)
Securities held-to-maturity, Gross Unrealized Losses (5,576) (5,194)
Securities Available-For-Sale, Allowance for Credit Losses
Securities held-to-maturity, Allowance for Credit Losses
Securities Available-For-Sale, Fair Value 15,163 11,506
Securities held-to-maturity, Fair Value 36,990 37,511
Securities Held-To-Maturity, Credit Rating 42,564 42,701
Mortgage-backed securities - residential [Member] | Obligations of U.S. government-sponsored enterprises [Member] | Standard & Poor's, AAA/AA/A Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost 42,564 42,701
Securities Held-To-Maturity, Credit Rating 42,564 42,701
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost 42,564 42,701
Securities Held-To-Maturity, Credit Rating 42,564 42,701
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost 42,564 42,701
Securities Held-To-Maturity, Credit Rating 42,564 42,701
Mortgage-backed securities - residential [Member] | Obligations of U.S. government-sponsored enterprises [Member] | Standard & Poor's, BBB/BB/B Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Mortgage-backed securities - residential [Member] | Obligations of U.S. government-sponsored enterprises [Member] | Non-rated [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Corporate securities [Member] | Obligations of U.S. government-sponsored enterprises [Member]    
Securities available-for-sale:    
Securities Available-For-Sale, Amortized Cost 4,000 4,000
Securities held-to-maturity, Amortized Cost 3,000 3,000
Securities Available-For-Sale, Gross Unrealized Gains 99 21
Securities held-to-maturity, Gross Unrealized Gains
Securities Available-For-Sale, Gross Unrealized Losses
Securities held-to-maturity, Gross Unrealized Losses (140) (234)
Securities Available-For-Sale, Allowance for Credit Losses
Securities held-to-maturity, Allowance for Credit Losses
Securities Available-For-Sale, Fair Value 4,099 4,021
Securities held-to-maturity, Fair Value 2,860 2,766
Securities Held-To-Maturity, Credit Rating 3,000 3,000
Securities held-to-maturity:    
Securities Available-For-Sale, Amortized Cost 4,000 4,000
Securities held-to-maturity, Amortized Cost 3,000 3,000
Securities Available-For-Sale, Gross Unrealized Gains 99 21
Securities held-to-maturity, Gross Unrealized Gains
Securities Available-For-Sale, Gross Unrealized Losses
Securities held-to-maturity, Gross Unrealized Losses (140) (234)
Securities Available-For-Sale, Allowance for Credit Losses
Securities held-to-maturity, Allowance for Credit Losses
Securities Available-For-Sale, Fair Value 4,099 4,021
Securities held-to-maturity, Fair Value 2,860 2,766
Securities Held-To-Maturity, Credit Rating 3,000 3,000
Obligations of U.S. government agencies:    
Securities Available-For-Sale, Amortized Cost 4,000 4,000
Securities held-to-maturity, Amortized Cost 3,000 3,000
Securities Available-For-Sale, Gross Unrealized Gains 99 21
Securities held-to-maturity, Gross Unrealized Gains
Securities Available-For-Sale, Gross Unrealized Losses
Securities held-to-maturity, Gross Unrealized Losses (140) (234)
Securities Available-For-Sale, Allowance for Credit Losses
Securities held-to-maturity, Allowance for Credit Losses
Securities Available-For-Sale, Fair Value 4,099 4,021
Securities held-to-maturity, Fair Value 2,860 2,766
Securities Held-To-Maturity, Credit Rating 3,000 3,000
Corporate securities [Member] | Obligations of U.S. government-sponsored enterprises [Member] | Standard & Poor's, AAA/AA/A Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost 3,000 3,000
Securities Held-To-Maturity, Credit Rating 3,000 3,000
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost 3,000 3,000
Securities Held-To-Maturity, Credit Rating 3,000 3,000
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost 3,000 3,000
Securities Held-To-Maturity, Credit Rating 3,000 3,000
Corporate securities [Member] | Obligations of U.S. government-sponsored enterprises [Member] | Standard & Poor's, BBB/BB/B Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Corporate securities [Member] | Obligations of U.S. government-sponsored enterprises [Member] | Non-rated [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Mortgage-backed securities - commercial [Member] | Obligations of U.S. government agencies [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost 4,051 4,268
Securities held-to-maturity, Gross Unrealized Gains 38 64
Securities held-to-maturity, Gross Unrealized Losses (34) (23)
Securities held-to-maturity, Allowance for Credit Losses
Securities held-to-maturity, Fair Value 4,055 4,309
Securities Held-To-Maturity, Credit Rating 4,051 4,268
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost 4,051 4,268
Securities held-to-maturity, Gross Unrealized Gains 38 64
Securities held-to-maturity, Gross Unrealized Losses (34) (23)
Securities held-to-maturity, Allowance for Credit Losses
Securities held-to-maturity, Fair Value 4,055 4,309
Securities Held-To-Maturity, Credit Rating 4,051 4,268
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost 4,051 4,268
Securities held-to-maturity, Gross Unrealized Gains 38 64
Securities held-to-maturity, Gross Unrealized Losses (34) (23)
Securities held-to-maturity, Allowance for Credit Losses
Securities held-to-maturity, Fair Value 4,055 4,309
Securities Held-To-Maturity, Credit Rating 4,051 4,268
Mortgage-backed securities - commercial [Member] | Obligations of U.S. government agencies [Member] | Standard & Poor's, AAA/AA/A Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost 4,051 4,268
Securities Held-To-Maturity, Credit Rating 4,051 4,268
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost 4,051 4,268
Securities Held-To-Maturity, Credit Rating 4,051 4,268
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost 4,051 4,268
Securities Held-To-Maturity, Credit Rating 4,051 4,268
Mortgage-backed securities - commercial [Member] | Obligations of U.S. government agencies [Member] | Standard & Poor's, BBB/BB/B Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Mortgage-backed securities - commercial [Member] | Obligations of U.S. government agencies [Member] | Non-rated [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Debt Securities [Member] | Obligations of U.S. government-sponsored enterprises [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost 14,500 19,000
Securities held-to-maturity, Gross Unrealized Gains 13
Securities held-to-maturity, Gross Unrealized Losses (675) (865)
Securities held-to-maturity, Allowance for Credit Losses
Securities held-to-maturity, Fair Value 13,825 18,148
Securities Held-To-Maturity, Credit Rating 14,500 19,000
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost 14,500 19,000
Securities held-to-maturity, Gross Unrealized Gains 13
Securities held-to-maturity, Gross Unrealized Losses (675) (865)
Securities held-to-maturity, Allowance for Credit Losses
Securities held-to-maturity, Fair Value 13,825 18,148
Securities Held-To-Maturity, Credit Rating 14,500 19,000
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost 14,500 19,000
Securities held-to-maturity, Gross Unrealized Gains 13
Securities held-to-maturity, Gross Unrealized Losses (675) (865)
Securities held-to-maturity, Allowance for Credit Losses
Securities held-to-maturity, Fair Value 13,825 18,148
Securities Held-To-Maturity, Credit Rating 14,500 19,000
Debt Securities [Member] | Obligations of U.S. government-sponsored enterprises [Member] | Standard & Poor's, AAA/AA/A Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost 14,500 19,000
Securities Held-To-Maturity, Credit Rating 14,500 19,000
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost 14,500 19,000
Securities Held-To-Maturity, Credit Rating 14,500 19,000
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost 14,500 19,000
Securities Held-To-Maturity, Credit Rating 14,500 19,000
Debt Securities [Member] | Obligations of U.S. government-sponsored enterprises [Member] | Standard & Poor's, BBB/BB/B Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Debt Securities [Member] | Obligations of U.S. government-sponsored enterprises [Member] | Non-rated [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Private label mortgage-backed securities residential [Member] | Obligations of U.S. government-sponsored enterprises [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost 183 190
Securities held-to-maturity, Gross Unrealized Gains
Securities held-to-maturity, Gross Unrealized Losses (5) (5)
Securities held-to-maturity, Allowance for Credit Losses
Securities held-to-maturity, Fair Value 178 185
Securities Held-To-Maturity, Credit Rating 183 190
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost 183 190
Securities held-to-maturity, Gross Unrealized Gains
Securities held-to-maturity, Gross Unrealized Losses (5) (5)
Securities held-to-maturity, Allowance for Credit Losses
Securities held-to-maturity, Fair Value 178 185
Securities Held-To-Maturity, Credit Rating 183 190
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost 183 190
Securities held-to-maturity, Gross Unrealized Gains
Securities held-to-maturity, Gross Unrealized Losses (5) (5)
Securities held-to-maturity, Allowance for Credit Losses
Securities held-to-maturity, Fair Value 178 185
Securities Held-To-Maturity, Credit Rating 183 190
Private label mortgage-backed securities residential [Member] | Obligations of U.S. government-sponsored enterprises [Member] | Standard & Poor's, AAA/AA/A Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost 183 190
Securities Held-To-Maturity, Credit Rating 183 190
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost 183 190
Securities Held-To-Maturity, Credit Rating 183 190
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost 183 190
Securities Held-To-Maturity, Credit Rating 183 190
Private label mortgage-backed securities residential [Member] | Obligations of U.S. government-sponsored enterprises [Member] | Standard & Poor's, BBB/BB/B Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Private label mortgage-backed securities residential [Member] | Obligations of U.S. government-sponsored enterprises [Member] | Non-rated [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of state and political subdivisions [Member] | Obligations of U.S. government-sponsored enterprises [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost 3,439 3,448
Securities held-to-maturity, Gross Unrealized Gains 3
Securities held-to-maturity, Gross Unrealized Losses (428) (351)
Securities held-to-maturity, Allowance for Credit Losses
Securities held-to-maturity, Fair Value 3,011 3,100
Securities Held-To-Maturity, Credit Rating 3,439 3,448
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost 3,439 3,448
Securities held-to-maturity, Gross Unrealized Gains 3
Securities held-to-maturity, Gross Unrealized Losses (428) (351)
Securities held-to-maturity, Allowance for Credit Losses
Securities held-to-maturity, Fair Value 3,011 3,100
Securities Held-To-Maturity, Credit Rating 3,439 3,448
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost 3,439 3,448
Securities held-to-maturity, Gross Unrealized Gains 3
Securities held-to-maturity, Gross Unrealized Losses (428) (351)
Securities held-to-maturity, Allowance for Credit Losses
Securities held-to-maturity, Fair Value 3,011 3,100
Securities Held-To-Maturity, Credit Rating 3,439 3,448
Obligations of state and political subdivisions [Member] | Obligations of U.S. government-sponsored enterprises [Member] | Standard & Poor's, AAA/AA/A Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost 3,439 3,448
Securities Held-To-Maturity, Credit Rating 3,439 3,448
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost 3,439 3,448
Securities Held-To-Maturity, Credit Rating 3,439 3,448
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost 3,439 3,448
Securities Held-To-Maturity, Credit Rating 3,439 3,448
Obligations of state and political subdivisions [Member] | Obligations of U.S. government-sponsored enterprises [Member] | Standard & Poor's, BBB/BB/B Rating [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of state and political subdivisions [Member] | Obligations of U.S. government-sponsored enterprises [Member] | Non-rated [Member]    
Securities available-for-sale:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Securities held-to-maturity:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating
Obligations of U.S. government agencies:    
Securities held-to-maturity, Amortized Cost
Securities Held-To-Maturity, Credit Rating