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Allowance for Losses on Loans (Internally Assigned Grade) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Sep. 30, 2012
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross $ 8,031,093 $ 7,866,336
Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 7,558,733 7,468,534
Grade as percentage of total gross loans 94.60% 94.90%
Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 68,400 42,988
Grade as percentage of total gross loans 0.80% 0.60%
Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 397,093 352,916
Grade as percentage of total gross loans 4.60% 4.50%
Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,252 1,898
Grade as percentage of total gross loans 0.00% 0.00%
Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 5,615 0
Grade as percentage of total gross loans 0.00% 0.00%
Residential Portfolio Segment [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 5,589,425 5,779,264
Construction, Speculative [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 125,716 131,526
Construction, Custom [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 229,134 211,690
Land, Acquisition and Development [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 115,655 128,379
Land, Consumer Lot Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 140,997 141,844
Multi Family Housing [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 731,135 710,741
Commercial Real Estate Portfolio Segment [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 609,948 406,364
Commercial and Industrial Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 280,458 166,115
Home Equity Line of Credit [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 138,645 126,942
Consumer Portfolio Segment [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 69,980 63,471
Non-Acquired Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 7,584,292 7,755,219
Non-Acquired Loans [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 7,237,596 7,396,340
Non-Acquired Loans [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 44,149 38,622
Non-Acquired Loans [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 302,508 320,257
Non-Acquired Loans [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 39 0
Non-Acquired Loans [Member] | Residential Portfolio Segment [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 5,573,590 5,778,922
Non-Acquired Loans [Member] | Residential Portfolio Segment [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 5,394,895 5,588,252
Non-Acquired Loans [Member] | Residential Portfolio Segment [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 2,537 844
Non-Acquired Loans [Member] | Residential Portfolio Segment [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 176,158 189,826
Non-Acquired Loans [Member] | Residential Portfolio Segment [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Residential Portfolio Segment [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 123,871 129,637
Non-Acquired Loans [Member] | Construction, Speculative [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 84,207 86,126
Non-Acquired Loans [Member] | Construction, Speculative [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 11,241 10,113
Non-Acquired Loans [Member] | Construction, Speculative [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 28,423 33,398
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 228,140 211,690
Non-Acquired Loans [Member] | Construction, Custom [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 228,140 211,690
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 and Development [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 109,458 124,677
Non-Acquired Loans [Member] | Land, Acquisition and Development [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 67,717 73,661
Non-Acquired Loans [Member] | Land, Acquisition and Development [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 3,430 4,637
Non-Acquired Loans [Member] | Land, Acquisition and Development [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 38,311 46,379
Non-Acquired Loans [Member] | Land, Acquisition and Development [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Land, Acquisition and 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 137,106 141,844
Non-Acquired Loans [Member] | Land, Consumer Lot Loans [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 135,240 140,006
Non-Acquired Loans [Member] | Land, Consumer Lot Loans [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 124 223
Non-Acquired Loans [Member] | Land, Consumer Lot Loans [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,742 1,615
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 Housing [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 721,802 710,140
Non-Acquired Loans [Member] | Multi Family Housing [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 697,812 684,649
Non-Acquired Loans [Member] | Multi Family Housing [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 2,243 5,098
Non-Acquired Loans [Member] | Multi Family Housing [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 21,747 20,393
Non-Acquired Loans [Member] | Multi Family Housing [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Multi Family Housing [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 347,564 319,210
Non-Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 292,210 278,022
Non-Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 22,490 16,282
Non-Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 32,864 24,906
Non-Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Commercial and Industrial Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 171,644 162,823
Non-Acquired Loans [Member] | Commercial and Industrial Loans [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 167,026 158,421
Non-Acquired Loans [Member] | Commercial and Industrial Loans [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,673 1,071
Non-Acquired Loans [Member] | Commercial and Industrial Loans [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 2,906 3,331
Non-Acquired Loans [Member] | Commercial and Industrial Loans [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Commercial and Industrial Loans [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 39 0
Non-Acquired Loans [Member] | Home Equity Line of Credit [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 111,986 112,902
Non-Acquired Loans [Member] | Home Equity Line of Credit [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 111,986 112,902
Non-Acquired Loans [Member] | Home Equity Line of Credit [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Home Equity Line of Credit [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Home Equity Line of Credit [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Home Equity Line of Credit [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Consumer Portfolio Segment [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 59,131 63,374
Non-Acquired Loans [Member] | Consumer Portfolio Segment [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 58,363 62,611
Non-Acquired Loans [Member] | Consumer Portfolio Segment [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 411 354
Non-Acquired Loans [Member] | Consumer Portfolio Segment [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 357 409
Non-Acquired Loans [Member] | Consumer Portfolio Segment [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Non-Acquired Loans [Member] | Consumer Portfolio Segment [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 343,550 0
Acquired Loans [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 252,233  
Acquired Loans [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 23,153  
Acquired Loans [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 62,588  
Acquired Loans [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 5,576  
Acquired Loans [Member] | Residential Portfolio Segment [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 15,495 0
Acquired Loans [Member] | Residential Portfolio Segment [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 15,495  
Acquired Loans [Member] | Residential Portfolio Segment [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Residential Portfolio Segment [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Residential Portfolio Segment [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Residential Portfolio Segment [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Construction, Speculative [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 90 0
Acquired Loans [Member] | Construction, Speculative [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Construction, Speculative [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Construction, Speculative [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 90  
Acquired Loans [Member] | Construction, Speculative [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Construction, Speculative [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Construction, Custom [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 994 0
Acquired Loans [Member] | Construction, Custom [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 994  
Acquired Loans [Member] | Construction, Custom [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Construction, Custom [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Construction, Custom [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Construction, Custom [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Land, Acquisition and Development [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 3,520 0
Acquired Loans [Member] | Land, Acquisition and Development [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 2,247  
Acquired Loans [Member] | Land, Acquisition and Development [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Land, Acquisition and Development [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,273  
Acquired Loans [Member] | Land, Acquisition and Development [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Land, Acquisition and Development [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Land, Consumer Lot Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 3,891 0
Acquired Loans [Member] | Land, Consumer Lot Loans [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 3,760  
Acquired Loans [Member] | Land, Consumer Lot Loans [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 86  
Acquired Loans [Member] | Land, Consumer Lot Loans [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 45  
Acquired Loans [Member] | Land, Consumer Lot Loans [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Land, Consumer Lot Loans [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Multi Family Housing [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 9,333 0
Acquired Loans [Member] | Multi Family Housing [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 3,310  
Acquired Loans [Member] | Multi Family Housing [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 179  
Acquired Loans [Member] | Multi Family Housing [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 5,844  
Acquired Loans [Member] | Multi Family Housing [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Multi Family Housing [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 178,727 0
Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 135,480  
Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 6,569  
Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 34,059  
Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 2,619  
Acquired Loans [Member] | Commercial and Industrial Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 106,931 0
Acquired Loans [Member] | Commercial and Industrial Loans [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 67,857  
Acquired Loans [Member] | Commercial and Industrial Loans [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 16,319  
Acquired Loans [Member] | Commercial and Industrial Loans [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 20,592  
Acquired Loans [Member] | Commercial and Industrial Loans [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Commercial and Industrial Loans [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 2,163  
Acquired Loans [Member] | Home Equity Line of Credit [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 13,810 0
Acquired Loans [Member] | Home Equity Line of Credit [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 12,342  
Acquired Loans [Member] | Home Equity Line of Credit [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Home Equity Line of Credit [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 674  
Acquired Loans [Member] | Home Equity Line of Credit [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Home Equity Line of Credit [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 794  
Acquired Loans [Member] | Consumer Portfolio Segment [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 10,759 0
Acquired Loans [Member] | Consumer Portfolio Segment [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 10,748  
Acquired Loans [Member] | Consumer Portfolio Segment [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Consumer Portfolio Segment [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 11  
Acquired Loans [Member] | Consumer Portfolio Segment [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Acquired Loans [Member] | Consumer Portfolio Segment [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0  
Credit Impaired Acquired Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 103,251 111,117
Credit Impaired Acquired Loans [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 68,904 72,194
Credit Impaired Acquired Loans [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,098 4,366
Credit Impaired Acquired Loans [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 31,997 32,659
Credit Impaired Acquired Loans [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,252 1,898
Credit Impaired Acquired Loans [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Residential Portfolio Segment [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 340 342
Credit Impaired Acquired Loans [Member] | Residential Portfolio Segment [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 340 342
Credit Impaired Acquired Loans [Member] | Residential Portfolio Segment [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Residential Portfolio Segment [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Residential Portfolio Segment [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Residential Portfolio Segment [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 1,755 1,889
Credit Impaired Acquired Loans [Member] | Construction, Speculative and Land, Acquisition and Development [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 4,431 5,591
Credit Impaired Acquired Loans [Member] | Construction, Speculative and Land, Acquisition and Development [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,611 2,466
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 0
Credit Impaired Acquired Loans [Member] | Construction, Speculative and Land, Acquisition and Development [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 2,820 3,125
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 and Development [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 2,677 3,702
Credit Impaired Acquired Loans [Member] | Multi Family Housing [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 601
Credit Impaired Acquired Loans [Member] | Multi Family Housing [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Multi Family Housing [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Multi Family Housing [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 601
Credit Impaired Acquired Loans [Member] | Multi Family Housing [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Multi Family Housing [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 12,940 14,137
Credit Impaired Acquired Loans [Member] | HELOC & Other Consumer [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 12,940 14,137
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 0 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 Portfolio Segment [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 83,657 87,154
Credit Impaired Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 52,982 53,683
Credit Impaired Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,025 4,308
Credit Impaired Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 28,654 28,200
Credit Impaired Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 996 963
Credit Impaired Acquired Loans [Member] | Commercial Real Estate Portfolio Segment [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Commercial and Industrial Loans [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,883 3,292
Credit Impaired Acquired Loans [Member] | Commercial and Industrial Loans [Member] | Pass [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 1,031 1,566
Credit Impaired Acquired Loans [Member] | Commercial and Industrial Loans [Member] | Special Mention [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 73 58
Credit Impaired Acquired Loans [Member] | Commercial and Industrial Loans [Member] | Substandard [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 523 733
Credit Impaired Acquired Loans [Member] | Commercial and Industrial Loans [Member] | Doubtful [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 256 935
Credit Impaired Acquired Loans [Member] | Commercial and Industrial Loans [Member] | Loss [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 0 0
Credit Impaired Acquired Loans [Member] | Home Equity Line of Credit [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross 12,849 14,040
Credit Impaired Acquired Loans [Member] | Consumer Portfolio Segment [Member]
   
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable, gross $ 90 $ 97