XML 55 R44.htm IDEA: XBRL DOCUMENT
v3.25.1

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 |  |

X
- Definition Gross unrealized losses. + References No definition available. + Details
Name: | mgyr_AvailableForSaleHeldtoMaturityDebtSecuritiesGrossUnrealizedLoss
Namespace Prefix: | mgyr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Gross unrealized losses. + References No definition available. + Details
Name: | mgyr_HeldtoMaturityDebtSecuritiesGrossUnrealizedLoss
Namespace Prefix: | mgyr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represent the amount of securities available for sale gross unrelaized gains. + References No definition available. + Details
Name: | mgyr_SecuritiesAvailableForSaleGrossUnrealizedGains
Namespace Prefix: | mgyr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represent the amount of securities available for sale gross unrealized losses. + References No definition available. + Details
Name: | mgyr_SecuritiesAvailableForSaleGrossUnrealizedLosses
Namespace Prefix: | mgyr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479130/326-30-45-1 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Name Accounting Standards Codification -Section 55 -Paragraph 10 -SubTopic 10 -Topic 825 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482881/825-10-55-10 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482736/825-10-45-1A Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-10 Reference 9: http://www.xbrl.org/2003/role/exampleRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482881/825-10-55-12 Reference 10: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 103 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-103 Reference 11: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 14: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481830/320-10-45-1 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479130/326-30-45-1 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity), and investment in debt security measured at fair value with change in fair value recognized in net income (trading). + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 55 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480078/944-80-55-14 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 944 -SubTopic 80 -Name Accounting Standards Codification -Section 55 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480078/944-80-55-9 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481830/320-10-45-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
Name: | us-gaap_DebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481830/320-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleAndHeldToMaturity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleAndHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_DebtSecuritiesAvailableforsaleAmortizedCostAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481830/320-10-45-1 + Details
Name: | us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_DebtSecuritiesHeldToMaturityFairValueAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in net income (trading). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(9)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(3)(d)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 + Details
Name: | us-gaap_DebtSecuritiesUnrealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). + 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 825 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org/1943274/2147482736/825-10-45-1A Reference 3: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-7A Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-14 + Details
Name: | us-gaap_HeldToMaturitySecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 28 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-28 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 825 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E Reference 6: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (aa) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5A Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
Name: | us-gaap_HeldToMaturitySecuritiesFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unrealized gain (loss) from transfer of investment in debt security measured at amortized cost (held-to-maturity), to investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and investment in debt security measured at fair value with change in fair value recognized in net income (trading). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-10 + Details
Name: | us-gaap_HeldToMaturitySecuritiesTransferredSecurityUnrealizedGainLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_DebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingStandardPoorsAxis=mgyr_StandardPoorsAAAAAARatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingStandardPoorsAxis=mgyr_StandardPoorsBBBBBBRatingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CreditRatingStandardPoorsAxis=mgyr_NonratedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InformationByCategoryOfDebtSecurityAxis=mgyr_ObligationsOfUSGovernmentAgenciesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InformationByCategoryOfDebtSecurityAxis=mgyr_ObligationsOfUSGovernmentsponsoredEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=mgyr_CorporateSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommercialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_DebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=mgyr_PrivateLabelMortgagebackedSecuritiesResidentialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=mgyr_ObligationsOfStateAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |