XML 114 R58.htm IDEA: XBRL DOCUMENT
v3.25.2

Loans and Leases - Loans Held for Investment by Credit Quality Indicator (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Amortized Cost Basis by Closing Year |  |  |  |  |
Total | $ 64,121 |  | $ 64,121 |  | $ 68,272
Year to date gross charge-offs |  |  |  |  |
Total | (140) | $ (354) | (264) | $ (445) |
Loans and leases held for investment: | Multi-family |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 19
Originated year two | 18 |  | 18 |  | 837
Originated year three | 852 |  | 852 |  | 7,929
Originated year four | 7,815 |  | 7,815 |  | 7,776
Originated year five | 7,639 |  | 7,639 |  | 7,649
Prior year | 15,467 |  | 15,467 |  | 9,850
Revolving Loans | 10 |  | 10 |  | 33
Revolving Loans Converted to Term Loans | 131 |  | 131 |  | 0
Total | 31,932 |  | 31,932 |  | 34,093
Year to date gross charge-offs |  |  |  |  |
Originated year one |  |  | 0 |  | 0
Originated year two |  |  | 0 |  | 0
Originated year three |  |  | 0 |  | (28)
Originated year four |  |  | (39) |  | (34)
Originated year five |  |  | (56) |  | (42)
Prior year |  |  | (90) |  | (204)
Revolving Loans |  |  | 0 |  | 0
Revolving Loans Converted to Term Loans |  |  | 0 |  | 0
Total | (105) | (76) | (185) | (87) | (308)
Loans and leases held for investment: | Multi-family | Pass |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 17
Originated year two | 16 |  | 16 |  | 700
Originated year three | 680 |  | 680 |  | 6,599
Originated year four | 6,702 |  | 6,702 |  | 6,070
Originated year five | 5,773 |  | 5,773 |  | 5,203
Prior year | 9,138 |  | 9,138 |  | 3,997
Revolving Loans | 6 |  | 6 |  | 27
Revolving Loans Converted to Term Loans | 115 |  | 115 |  | 0
Total | 22,430 |  | 22,430 |  | 22,613
Loans and leases held for investment: | Multi-family | Special Mention |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 0
Originated year two | 0 |  | 0 |  | 14
Originated year three | 24 |  | 24 |  | 688
Originated year four | 382 |  | 382 |  | 694
Originated year five | 581 |  | 581 |  | 646
Prior year | 568 |  | 568 |  | 795
Revolving Loans | 0 |  | 0 |  | 1
Revolving Loans Converted to Term Loans | 0 |  | 0 |  | 0
Total | 1,555 |  | 1,555 |  | 2,838
Loans and leases held for investment: | Multi-family | Substandard |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 2
Originated year two | 2 |  | 2 |  | 123
Originated year three | 148 |  | 148 |  | 529
Originated year four | 460 |  | 460 |  | 868
Originated year five | 960 |  | 960 |  | 1,526
Prior year | 3,969 |  | 3,969 |  | 3,834
Revolving Loans | 4 |  | 4 |  | 5
Revolving Loans Converted to Term Loans | 16 |  | 16 |  | 0
Total | 5,559 |  | 5,559 |  | 6,887
Loans and leases held for investment: | Multi-family | Non-accrual |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 0
Originated year two | 0 |  | 0 |  | 0
Originated year three | 0 |  | 0 |  | 113
Originated year four | 271 |  | 271 |  | 144
Originated year five | 325 |  | 325 |  | 274
Prior year | 1,792 |  | 1,792 |  | 1,224
Revolving Loans | 0 |  | 0 |  | 0
Revolving Loans Converted to Term Loans | 0 |  | 0 |  | 0
Total | 2,388 |  | 2,388 |  | 1,755
Loans and leases held for investment: | Commercial real estate |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 558 |  | 558 |  | 544
Originated year two | 430 |  | 430 |  | 1,438
Originated year three | 1,290 |  | 1,290 |  | 2,096
Originated year four | 1,882 |  | 1,882 |  | 1,321
Originated year five | 1,132 |  | 1,132 |  | 848
Prior year | 3,642 |  | 3,642 |  | 3,376
Revolving Loans | 1,301 |  | 1,301 |  | 1,840
Revolving Loans Converted to Term Loans | 401 |  | 401 |  | 373
Total | 10,636 |  | 10,636 |  | 11,836
Year to date gross charge-offs |  |  |  |  |
Originated year one |  |  | 0 |  | 0
Originated year two |  |  | 0 |  | (8)
Originated year three |  |  | 0 |  | (81)
Originated year four |  |  | (1) |  | (1)
Originated year five |  |  | 0 |  | (27)
Prior year |  |  | (21) |  | (349)
Revolving Loans |  |  | 0 |  | 0
Revolving Loans Converted to Term Loans |  |  | 0 |  | 0
Total | (20) | (237) | (22) | (301) | (466)
Loans and leases held for investment: | Commercial real estate | Pass |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 558 |  | 558 |  | 542
Originated year two | 423 |  | 423 |  | 1,298
Originated year three | 1,101 |  | 1,101 |  | 1,753
Originated year four | 1,531 |  | 1,531 |  | 1,106
Originated year five | 1,011 |  | 1,011 |  | 576
Prior year | 2,394 |  | 2,394 |  | 2,068
Revolving Loans | 1,115 |  | 1,115 |  | 1,597
Revolving Loans Converted to Term Loans | 171 |  | 171 |  | 367
Total | 8,304 |  | 8,304 |  | 9,307
Loans and leases held for investment: | Commercial real estate | Special Mention |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 0
Originated year two | 3 |  | 3 |  | 72
Originated year three | 82 |  | 82 |  | 130
Originated year four | 113 |  | 113 |  | 69
Originated year five | 11 |  | 11 |  | 106
Prior year | 96 |  | 96 |  | 138
Revolving Loans | 47 |  | 47 |  | 120
Revolving Loans Converted to Term Loans | 58 |  | 58 |  | 0
Total | 410 |  | 410 |  | 635
Loans and leases held for investment: | Commercial real estate | Substandard |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 2
Originated year two | 4 |  | 4 |  | 31
Originated year three | 68 |  | 68 |  | 179
Originated year four | 207 |  | 207 |  | 110
Originated year five | 85 |  | 85 |  | 162
Prior year | 688 |  | 688 |  | 723
Revolving Loans | 137 |  | 137 |  | 117
Revolving Loans Converted to Term Loans | 170 |  | 170 |  | 6
Total | 1,359 |  | 1,359 |  | 1,330
Loans and leases held for investment: | Commercial real estate | Non-accrual |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 0
Originated year two | 0 |  | 0 |  | 37
Originated year three | 39 |  | 39 |  | 34
Originated year four | 31 |  | 31 |  | 36
Originated year five | 25 |  | 25 |  | 4
Prior year | 464 |  | 464 |  | 447
Revolving Loans | 2 |  | 2 |  | 6
Revolving Loans Converted to Term Loans | 2 |  | 2 |  | 0
Total | 563 |  | 563 |  | 564
Loans and leases held for investment: | One-to-four family first mortgage |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 315 |  | 315 |  | 251
Originated year two | 340 |  | 340 |  | 527
Originated year three | 488 |  | 488 |  | 2,455
Originated year four | 2,358 |  | 2,358 |  | 871
Originated year five | 841 |  | 841 |  | 201
Prior year | 1,017 |  | 1,017 |  | 809
Revolving Loans | 83 |  | 83 |  | 85
Revolving Loans Converted to Term Loans | 3 |  | 3 |  | 2
Total | 5,445 |  | 5,445 |  | 5,201
Year to date gross charge-offs |  |  |  |  |
Originated year one |  |  | 0 |  | 0
Originated year two |  |  | 0 |  | 0
Originated year three |  |  | 0 |  | (1)
Originated year four |  |  | (1) |  | 0
Originated year five |  |  | 0 |  | 0
Prior year |  |  | (1) |  | (7)
Revolving Loans |  |  | 0 |  | 0
Revolving Loans Converted to Term Loans |  |  | 0 |  | 0
Total | (1) | (1) | (2) | (1) | (8)
Loans and leases held for investment: | One-to-four family first mortgage | Pass |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 315 |  | 315 |  | 250
Originated year two | 335 |  | 335 |  | 521
Originated year three | 478 |  | 478 |  | 2,431
Originated year four | 2,326 |  | 2,326 |  | 859
Originated year five | 826 |  | 826 |  | 178
Prior year | 787 |  | 787 |  | 609
Revolving Loans | 81 |  | 81 |  | 80
Revolving Loans Converted to Term Loans | 3 |  | 3 |  | 2
Total | 5,151 |  | 5,151 |  | 4,930
Loans and leases held for investment: | One-to-four family first mortgage | Special Mention |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one |  |  |  |  | 0
Originated year two |  |  |  |  | 0
Originated year three |  |  |  |  | 0
Originated year four |  |  |  |  | 0
Originated year five |  |  |  |  | 0
Prior year |  |  |  |  | 0
Revolving Loans |  |  |  |  | 0
Revolving Loans Converted to Term Loans |  |  |  |  | 0
Total |  |  |  |  | 0
Loans and leases held for investment: | One-to-four family first mortgage | Substandard |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 1
Originated year two | 1 |  | 1 |  | 2
Originated year three | 3 |  | 3 |  | 8
Originated year four | 12 |  | 12 |  | 2
Originated year five | 2 |  | 2 |  | 16
Prior year | 195 |  | 195 |  | 172
Revolving Loans | 0 |  | 0 |  | 0
Revolving Loans Converted to Term Loans | 0 |  | 0 |  | 0
Total | 213 |  | 213 |  | 201
Loans and leases held for investment: | One-to-four family first mortgage | Non-accrual |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 0
Originated year two | 4 |  | 4 |  | 4
Originated year three | 7 |  | 7 |  | 16
Originated year four | 20 |  | 20 |  | 10
Originated year five | 13 |  | 13 |  | 7
Prior year | 35 |  | 35 |  | 28
Revolving Loans | 2 |  | 2 |  | 5
Revolving Loans Converted to Term Loans | 0 |  | 0 |  | 0
Total | 81 |  | 81 |  | 70
Loans and leases held for investment: | Commercial and Industrial |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 972 |  | 972 |  | 1,300
Originated year two | 1,171 |  | 1,171 |  | 2,693
Originated year three | 2,480 |  | 2,480 |  | 2,264
Originated year four | 2,188 |  | 2,188 |  | 736
Originated year five | 754 |  | 754 |  | 467
Prior year | 1,113 |  | 1,113 |  | 798
Revolving Loans | 5,412 |  | 5,412 |  | 5,940
Revolving Loans Converted to Term Loans | 336 |  | 336 |  | 1,178
Total | 14,426 |  | 14,426 |  | 15,376
Year to date gross charge-offs |  |  |  |  |
Originated year one |  |  | (9) |  | (3)
Originated year two |  |  | (1) |  | (20)
Originated year three |  |  | (12) |  | (40)
Originated year four |  |  | (15) |  | (20)
Originated year five |  |  | (3) |  | (19)
Prior year |  |  | (1) |  | (34)
Revolving Loans |  |  | 0 |  | 0
Revolving Loans Converted to Term Loans |  |  | 0 |  | 0
Total |  |  | (41) |  | (136)
Loans and leases held for investment: | Commercial and Industrial | Pass |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 972 |  | 972 |  | 1,267
Originated year two | 1,133 |  | 1,133 |  | 2,609
Originated year three | 2,363 |  | 2,363 |  | 2,014
Originated year four | 1,974 |  | 1,974 |  | 651
Originated year five | 695 |  | 695 |  | 450
Prior year | 1,055 |  | 1,055 |  | 759
Revolving Loans | 5,030 |  | 5,030 |  | 5,554
Revolving Loans Converted to Term Loans | 322 |  | 322 |  | 1,164
Total | 13,544 |  | 13,544 |  | 14,468
Loans and leases held for investment: | Commercial and Industrial | Special Mention |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 17
Originated year two | 14 |  | 14 |  | 29
Originated year three | 23 |  | 23 |  | 18
Originated year four | 118 |  | 118 |  | 4
Originated year five | 8 |  | 8 |  | 2
Prior year | 4 |  | 4 |  | 11
Revolving Loans | 122 |  | 122 |  | 119
Revolving Loans Converted to Term Loans | 0 |  | 0 |  | 6
Total | 289 |  | 289 |  | 206
Loans and leases held for investment: | Commercial and Industrial | Substandard |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 13
Originated year two | 20 |  | 20 |  | 50
Originated year three | 66 |  | 66 |  | 72
Originated year four | 47 |  | 47 |  | 72
Originated year five | 42 |  | 42 |  | 7
Prior year | 41 |  | 41 |  | 13
Revolving Loans | 241 |  | 241 |  | 265
Revolving Loans Converted to Term Loans | 13 |  | 13 |  | 8
Total | 470 |  | 470 |  | 500
Loans and leases held for investment: | Commercial and Industrial | Non-accrual |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 3
Originated year two | 4 |  | 4 |  | 5
Originated year three | 28 |  | 28 |  | 160
Originated year four | 49 |  | 49 |  | 9
Originated year five | 9 |  | 9 |  | 8
Prior year | 13 |  | 13 |  | 15
Revolving Loans | 19 |  | 19 |  | 2
Revolving Loans Converted to Term Loans | 1 |  | 1 |  | 0
Total | 123 |  | 123 |  | 202
Other loans held for investment |  |  |  |  |
Year to date gross charge-offs |  |  |  |  |
Total | (7) | (5) | (14) | (10) |
Other loans held for investment | Commercial and Industrial |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Total | 14,426 |  | 14,426 |  | 15,376
Year to date gross charge-offs |  |  |  |  |
Total | (7) | $ (35) | (41) | $ (46) |
Other loans held for investment | Other |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 36 |  | 36 |  | 100
Originated year two | 27 |  | 27 |  | 29
Originated year three | 28 |  | 28 |  | 12
Originated year four | 12 |  | 12 |  | 4
Originated year five | 4 |  | 4 |  | 2
Prior year | 35 |  | 35 |  | 37
Revolving Loans | 1,439 |  | 1,439 |  | 1,461
Revolving Loans Converted to Term Loans | 101 |  | 101 |  | 121
Total | 1,682 |  | 1,682 |  | 1,766
Year to date gross charge-offs |  |  |  |  |
Originated year one |  |  | (3) |  | (2)
Originated year two |  |  | (1) |  | (4)
Originated year three |  |  | (2) |  | (4)
Originated year four |  |  | (4) |  | (1)
Originated year five |  |  | 0 |  | (1)
Prior year |  |  | (4) |  | (8)
Revolving Loans |  |  | 0 |  | 0
Revolving Loans Converted to Term Loans |  |  | 0 |  | 0
Total |  |  | (14) |  | (20)
Other loans held for investment | Other | Pass |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 36 |  | 36 |  | 100
Originated year two | 27 |  | 27 |  | 29
Originated year three | 26 |  | 26 |  | 12
Originated year four | 12 |  | 12 |  | 4
Originated year five | 4 |  | 4 |  | 2
Prior year | 34 |  | 34 |  | 32
Revolving Loans | 1,413 |  | 1,413 |  | 1,441
Revolving Loans Converted to Term Loans | 101 |  | 101 |  | 121
Total | 1,653 |  | 1,653 |  | 1,741
Other loans held for investment | Other | Special Mention |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 0
Originated year two | 0 |  | 0 |  | 0
Originated year three | 0 |  | 0 |  | 0
Originated year four | 0 |  | 0 |  | 0
Originated year five | 0 |  | 0 |  | 0
Prior year | 0 |  | 0 |  | 0
Revolving Loans | 0 |  | 0 |  | 1
Revolving Loans Converted to Term Loans | 0 |  | 0 |  | 0
Total | 0 |  | 0 |  | 1
Other loans held for investment | Other | Substandard |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 0
Originated year two | 0 |  | 0 |  | 0
Originated year three | 2 |  | 2 |  | 0
Originated year four | 0 |  | 0 |  | 0
Originated year five | 0 |  | 0 |  | 0
Prior year | 0 |  | 0 |  | 0
Revolving Loans | 2 |  | 2 |  | 0
Revolving Loans Converted to Term Loans | 0 |  | 0 |  | 0
Total | 4 |  | 4 |  | 0
Other loans held for investment | Other | Non-accrual |  |  |  |  |
Amortized Cost Basis by Closing Year |  |  |  |  |
Originated year one | 0 |  | 0 |  | 0
Originated year two | 0 |  | 0 |  | 0
Originated year three | 0 |  | 0 |  | 0
Originated year four | 0 |  | 0 |  | 0
Originated year five | 0 |  | 0 |  | 0
Prior year | 1 |  | 1 |  | 5
Revolving Loans | 24 |  | 24 |  | 19
Revolving Loans Converted to Term Loans | 0 |  | 0 |  | 0
Total | $ 25 |  | $ 25 |  | $ 24

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 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 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 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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 revolving financing receivable converted to term loan. + 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 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6A 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_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoan
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, excluding accrued interest, of writeoff of revolving financing receivable converted to term loan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6A + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of writeoff of financing receivable that can be withdrawn, repaid, and redrawn. + 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_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff
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 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
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fbc_MortgageLoansHeldForInvestmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbc_MultiFamilyLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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=fbc_NonAccrualMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbc_CommercialRealEstateLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbc_OneToFourFamilyFirstMortgageLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbc_CommercialAndIndustrialLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=fbc_OtherLoansHeldForInvestmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=fbc_OtherLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |