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Allowance for Losses on Loans (Internally Assigned Grade) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Sep. 30, 2013
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross $ 8,181,174 $ 7,990,545
Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 7,866,543 7,639,717
Grade as percentage of total gross loans 96.20% 95.60%
Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 64,993 42,499
Grade as percentage of total gross loans 0.80% 0.50%
Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 249,561 308,329
Grade as percentage of total gross loans 3.00% 3.90%
Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 77 0
Grade as percentage of total gross loans 0.00% 0.00%
Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Grade as percentage of total gross loans 0.00% 0.00%
Single-Family Residential [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 5,462,093 5,373,950
Construction - Speculative [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 135,001 130,778
Construction - Custom [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 354,279 302,722
Land - Acquisition & Development [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 77,049 81,660
Land - Consumer Lot Loans [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 116,864 124,984
Multi-Family [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 869,635 835,598
Commercial Real Estate [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 634,457 625,293
Commercial & Industrial [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 351,705 326,450
HELOC [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 131,852 133,631
Consumer [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 48,239 55,479
Non-Acquired Loans [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 7,876,985 7,641,266
Non-Acquired Loans [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 7,622,239 7,363,923
Non-Acquired Loans [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 42,028 33,384
Non-Acquired Loans [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 212,681 243,959
Non-Acquired Loans [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 37 0
Non-Acquired Loans [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Single-Family Residential [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 5,448,587 5,359,149
Non-Acquired Loans [Member] | Single-Family Residential [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 5,282,350 5,184,101
Non-Acquired Loans [Member] | Single-Family Residential [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 3,009 4,595
Non-Acquired Loans [Member] | Single-Family Residential [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 163,228 170,453
Non-Acquired Loans [Member] | Single-Family Residential [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Single-Family Residential [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Construction - Speculative [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 135,001 130,778
Non-Acquired Loans [Member] | Construction - Speculative [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 119,429 99,436
Non-Acquired Loans [Member] | Construction - Speculative [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 3,199
Non-Acquired Loans [Member] | Construction - Speculative [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 15,572 28,143
Non-Acquired Loans [Member] | Construction - Speculative [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Construction - Speculative [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Construction - Custom [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 354,279 302,722
Non-Acquired Loans [Member] | Construction - Custom [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 354,279 302,722
Non-Acquired Loans [Member] | Construction - Custom [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Construction - Custom [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Construction - Custom [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Construction - Custom [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Land - Acquisition & Development [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 74,155 77,775
Non-Acquired Loans [Member] | Land - Acquisition & Development [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 64,579 64,355
Non-Acquired Loans [Member] | Land - Acquisition & Development [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 775
Non-Acquired Loans [Member] | Land - Acquisition & Development [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 9,576 12,645
Non-Acquired Loans [Member] | Land - Acquisition & Development [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Land - Acquisition & Development [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Land - Consumer Lot Loans [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 113,623 121,671
Non-Acquired Loans [Member] | Land - Consumer Lot Loans [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 113,160 121,039
Non-Acquired Loans [Member] | Land - Consumer Lot Loans [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Land - Consumer Lot Loans [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 463 632
Non-Acquired Loans [Member] | Land - Consumer Lot Loans [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Land - Consumer Lot Loans [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Multi-Family [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 866,097 831,684
Non-Acquired Loans [Member] | Multi-Family [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 859,295 819,911
Non-Acquired Loans [Member] | Multi-Family [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,825 2,114
Non-Acquired Loans [Member] | Multi-Family [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 4,977 9,659
Non-Acquired Loans [Member] | Multi-Family [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Multi-Family [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Commercial Real Estate [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 454,246 414,961
Non-Acquired Loans [Member] | Commercial Real Estate [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 419,914 373,012
Non-Acquired Loans [Member] | Commercial Real Estate [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 17,526 21,652
Non-Acquired Loans [Member] | Commercial Real Estate [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 16,806 20,297
Non-Acquired Loans [Member] | Commercial Real Estate [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Commercial Real Estate [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Commercial & Industrial [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 277,109 243,199
Non-Acquired Loans [Member] | Commercial & Industrial [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 255,607 240,441
Non-Acquired Loans [Member] | Commercial & Industrial [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 19,668 1,049
Non-Acquired Loans [Member] | Commercial & Industrial [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,797 1,709
Non-Acquired Loans [Member] | Commercial & Industrial [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 37 0
Non-Acquired Loans [Member] | Commercial & Industrial [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | HELOC [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 112,549 112,186
Non-Acquired Loans [Member] | HELOC [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 112,549 112,186
Non-Acquired Loans [Member] | HELOC [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | HELOC [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | HELOC [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | HELOC [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Consumer [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 41,339 47,141
Non-Acquired Loans [Member] | Consumer [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 41,077 46,720
Non-Acquired Loans [Member] | Consumer [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Consumer [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 262 421
Non-Acquired Loans [Member] | Consumer [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Consumer [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 218,518 250,379
Acquired Loans [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 180,359 209,754
Acquired Loans [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 17,199 5,499
Acquired Loans [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 20,920 35,126
Acquired Loans [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 40 0
Acquired Loans [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Single-Family Residential [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 13,177 14,468
Acquired Loans [Member] | Single-Family Residential [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 13,177 14,468
Acquired Loans [Member] | Single-Family Residential [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Single-Family Residential [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Single-Family Residential [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Single-Family Residential [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Construction - Speculative [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Construction - Speculative [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Construction - Speculative [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Construction - Speculative [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Construction - Speculative [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Construction - Speculative [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Construction - Custom [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Construction - Custom [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Construction - Custom [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Construction - Custom [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Construction - Custom [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Construction - Custom [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Land - Acquisition & Development [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,135 1,489
Acquired Loans [Member] | Land - Acquisition & Development [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 726 312
Acquired Loans [Member] | Land - Acquisition & Development [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Land - Acquisition & Development [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 409 1,177
Acquired Loans [Member] | Land - Acquisition & Development [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Land - Acquisition & Development [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Land - Consumer Lot Loans [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 3,241 3,313
Acquired Loans [Member] | Land - Consumer Lot Loans [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 3,116 3,313
Acquired Loans [Member] | Land - Consumer Lot Loans [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Land - Consumer Lot Loans [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 125 0
Acquired Loans [Member] | Land - Consumer Lot Loans [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Land - Consumer Lot Loans [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Multi-Family [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 3,538 3,914
Acquired Loans [Member] | Multi-Family [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 3,402 3,227
Acquired Loans [Member] | Multi-Family [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Multi-Family [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 136 687
Acquired Loans [Member] | Multi-Family [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Multi-Family [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Commercial Real Estate [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 112,089 133,423
Acquired Loans [Member] | Commercial Real Estate [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 93,378 105,055
Acquired Loans [Member] | Commercial Real Estate [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 3,473 4,190
Acquired Loans [Member] | Commercial Real Estate [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 15,235 24,178
Acquired Loans [Member] | Commercial Real Estate [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 3 0
Acquired Loans [Member] | Commercial Real Estate [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Commercial & Industrial [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 69,872 75,326
Acquired Loans [Member] | Commercial & Industrial [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 51,471 64,933
Acquired Loans [Member] | Commercial & Industrial [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 13,726 1,309
Acquired Loans [Member] | Commercial & Industrial [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 4,638 9,084
Acquired Loans [Member] | Commercial & Industrial [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 37 0
Acquired Loans [Member] | Commercial & Industrial [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | HELOC [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 8,624 10,179
Acquired Loans [Member] | HELOC [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 8,624 10,179
Acquired Loans [Member] | HELOC [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | HELOC [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | HELOC [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | HELOC [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Consumer [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 6,842 8,267
Acquired Loans [Member] | Consumer [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 6,465 8,267
Acquired Loans [Member] | Consumer [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Consumer [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 377 0
Acquired Loans [Member] | Consumer [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Acquired Loans [Member] | Consumer [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 85,671 98,900
Credit Impaired Acquired Loans [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 63,945 66,040
Credit Impaired Acquired Loans [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 5,766 3,616
Credit Impaired Acquired Loans [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 15,960 29,244
Credit Impaired Acquired Loans [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Single-Family Residential [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 329 333
Credit Impaired Acquired Loans [Member] | Single-Family Residential [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 329 333
Credit Impaired Acquired Loans [Member] | Single-Family Residential [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Single-Family Residential [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Single-Family Residential [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Single-Family Residential [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Construction - Speculative [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Construction, Speculative and Land, Acquisition and Development [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,758 2,396
Credit Impaired Acquired Loans [Member] | Construction, Speculative and Land, Acquisition and Development [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,387 980
Credit Impaired Acquired Loans [Member] | Construction, Speculative and Land, Acquisition and Development [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 461
Credit Impaired Acquired Loans [Member] | Construction, Speculative and Land, Acquisition and Development [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 371 955
Credit Impaired Acquired Loans [Member] | Construction, Speculative and Land, Acquisition and Development [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Construction, Speculative and Land, Acquisition and Development [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Land - Acquisition & Development [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,759 2,396
Credit Impaired Acquired Loans [Member] | Multi-Family [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Multi-Family [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Multi-Family [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Multi-Family [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Multi-Family [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Multi-Family [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | HELOC & Other Consumer [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 10,738 11,337
Credit Impaired Acquired Loans [Member] | HELOC & Other Consumer [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 10,335 11,337
Credit Impaired Acquired Loans [Member] | HELOC & Other Consumer [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | HELOC & Other Consumer [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 403 0
Credit Impaired Acquired Loans [Member] | HELOC & Other Consumer [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | HELOC & Other Consumer [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Commercial Real Estate [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 68,122 76,909
Credit Impaired Acquired Loans [Member] | Commercial Real Estate [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 50,768 52,509
Credit Impaired Acquired Loans [Member] | Commercial Real Estate [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 2,168 3,155
Credit Impaired Acquired Loans [Member] | Commercial Real Estate [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 15,186 21,245
Credit Impaired Acquired Loans [Member] | Commercial Real Estate [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Commercial Real Estate [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Commercial & Industrial [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 4,724 7,925
Credit Impaired Acquired Loans [Member] | Commercial & Industrial [Member] | Pass [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,126 881
Credit Impaired Acquired Loans [Member] | Commercial & Industrial [Member] | Special Mention [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 3,598 0
Credit Impaired Acquired Loans [Member] | Commercial & Industrial [Member] | Substandard [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 7,044
Credit Impaired Acquired Loans [Member] | Commercial & Industrial [Member] | Doubtful [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Commercial & Industrial [Member] | Loss [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | HELOC [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 10,679 11,266
Credit Impaired Acquired Loans [Member] | Consumer [Member]
    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross $ 58 $ 71