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Loans Receivable and Allowance for Loan Losses (Composition of Loans Receivable) (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Mar. 31, 2015
Dec. 31, 2014
Loans receivable and allowance for loan losses disclosures        
Total Past Due $ 199,212 $ 199,875    
Current 10,766,091 10,911,852    
Total 10,965,303 11,111,727    
Net unamortized premiums and deferred loan origination costs 39,778 41,354    
Loans receivable 11,005,081 11,153,081    
Allowance for loan losses (94,200) (98,000) $ (110,500) $ (111,600)
Loans receivable, net 10,910,881 11,055,081    
Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 91,158 105,861    
Current 10,727,079 10,867,982    
Total 10,818,237 10,973,843    
Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 108,054 94,014    
Current 39,012 43,870    
Total 147,066 137,884    
Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 191,659 189,907    
Current 10,518,188 10,669,127    
Total 10,709,847 10,859,034    
Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 89,774 103,001    
Current 10,479,176 10,625,257    
Total 10,568,950 10,728,258    
Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 101,885 86,906    
Current 39,012 43,870    
Total 140,897 130,776    
30-59 Days        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 75,045 90,073    
30-59 Days | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 67,110 81,851    
30-59 Days | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 7,935 8,222    
30-59 Days | Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 73,786 87,715    
30-59 Days | Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 65,851 79,493    
30-59 Days | Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 7,935 8,222    
60-89 Days        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 23,200 25,848    
60-89 Days | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 20,892 23,678    
60-89 Days | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 2,308 2,170    
60-89 Days | Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 23,075 25,346    
60-89 Days | Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 20,767 23,176    
60-89 Days | Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 2,308 2,170    
90 Days or More        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 100,967 83,954    
90 Days or More | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 3,156 332    
90 Days or More | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 97,811 83,622    
90 Days or More | Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 94,798 76,846    
90 Days or More | Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 3,156 332    
90 Days or More | Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 91,642 76,514    
Residential | Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 173,524 179,639    
Current 5,646,981 5,835,776    
Total 5,820,505 6,015,415    
Allowance for loan losses (44,378) (44,951) (43,481) (46,283)
Residential | Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 76,951 97,335    
Current 5,613,208 5,798,076    
Total 5,690,159 5,895,411    
Residential | Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 96,573 82,304    
Current 33,773 37,700    
Total 130,346 120,004    
Residential | Mortgage loans (gross) | Full documentation interest-only        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 19,861 24,968    
Current 361,011 407,320    
Total 380,872 432,288    
Residential | Mortgage loans (gross) | Full documentation interest-only | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 5,292 12,427    
Current 356,324 401,486    
Total 361,616 413,913    
Residential | Mortgage loans (gross) | Full documentation interest-only | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 14,569 12,541    
Current 4,687 5,834    
Total 19,256 18,375    
Residential | Mortgage loans (gross) | Full documentation amortizing        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 83,048 87,546    
Current 4,504,202 4,610,420    
Total 4,587,250 4,697,966    
Residential | Mortgage loans (gross) | Full documentation amortizing | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 42,060 50,829    
Current 4,498,438 4,602,940    
Total 4,540,498 4,653,769    
Residential | Mortgage loans (gross) | Full documentation amortizing | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 40,988 36,717    
Current 5,764 7,480    
Total 46,752 44,197    
Residential | Mortgage loans (gross) | Reduced documentation interest-only        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 24,502 25,696    
Current 211,209 277,535    
Total 235,711 303,231    
Residential | Mortgage loans (gross) | Reduced documentation interest-only | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 9,516 9,575    
Current 202,030 266,084    
Total 211,546 275,659    
Residential | Mortgage loans (gross) | Reduced documentation interest-only | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 14,986 16,121    
Current 9,179 11,451    
Total 24,165 27,572    
Residential | Mortgage loans (gross) | Reduced documentation amortizing        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 46,113 41,429    
Current 570,559 540,501    
Total 616,672 581,930    
Residential | Mortgage loans (gross) | Reduced documentation amortizing | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 20,083 24,504    
Current 556,416 527,566    
Total 576,499 552,070    
Residential | Mortgage loans (gross) | Reduced documentation amortizing | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 26,030 16,925    
Current 14,143 12,935    
Total 40,173 29,860    
Residential | 30-59 Days | Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 64,665 84,841    
Residential | 30-59 Days | Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 59,219 77,585    
Residential | 30-59 Days | Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 5,446 7,256    
Residential | 30-59 Days | Mortgage loans (gross) | Full documentation interest-only        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 5,040 11,227    
Residential | 30-59 Days | Mortgage loans (gross) | Full documentation interest-only | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 3,802 10,045    
Residential | 30-59 Days | Mortgage loans (gross) | Full documentation interest-only | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 1,238 1,182    
Residential | 30-59 Days | Mortgage loans (gross) | Full documentation amortizing        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 33,914 43,730    
Residential | 30-59 Days | Mortgage loans (gross) | Full documentation amortizing | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 31,902 40,151    
Residential | 30-59 Days | Mortgage loans (gross) | Full documentation amortizing | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 2,012 3,579    
Residential | 30-59 Days | Mortgage loans (gross) | Reduced documentation interest-only        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 7,328 7,511    
Residential | 30-59 Days | Mortgage loans (gross) | Reduced documentation interest-only | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 7,111 7,254    
Residential | 30-59 Days | Mortgage loans (gross) | Reduced documentation interest-only | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 217 257    
Residential | 30-59 Days | Mortgage loans (gross) | Reduced documentation amortizing        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 18,383 22,373    
Residential | 30-59 Days | Mortgage loans (gross) | Reduced documentation amortizing | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 16,404 20,135    
Residential | 30-59 Days | Mortgage loans (gross) | Reduced documentation amortizing | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 1,979 2,238    
Residential | 60-89 Days | Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 19,224 20,965    
Residential | 60-89 Days | Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 17,299 19,418    
Residential | 60-89 Days | Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 1,925 1,547    
Residential | 60-89 Days | Mortgage loans (gross) | Full documentation interest-only        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 2,441 2,382    
Residential | 60-89 Days | Mortgage loans (gross) | Full documentation interest-only | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 1,490 2,382    
Residential | 60-89 Days | Mortgage loans (gross) | Full documentation interest-only | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 951 0    
Residential | 60-89 Days | Mortgage loans (gross) | Full documentation amortizing        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 10,517 10,949    
Residential | 60-89 Days | Mortgage loans (gross) | Full documentation amortizing | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 9,725 10,346    
Residential | 60-89 Days | Mortgage loans (gross) | Full documentation amortizing | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 792 603    
Residential | 60-89 Days | Mortgage loans (gross) | Reduced documentation interest-only        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 2,540 2,900    
Residential | 60-89 Days | Mortgage loans (gross) | Reduced documentation interest-only | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 2,405 2,321    
Residential | 60-89 Days | Mortgage loans (gross) | Reduced documentation interest-only | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 135 579    
Residential | 60-89 Days | Mortgage loans (gross) | Reduced documentation amortizing        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 3,726 4,734    
Residential | 60-89 Days | Mortgage loans (gross) | Reduced documentation amortizing | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 3,679 4,369    
Residential | 60-89 Days | Mortgage loans (gross) | Reduced documentation amortizing | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 47 365    
Residential | 90 Days or More | Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 89,635 73,833    
Residential | 90 Days or More | Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 433 332    
Residential | 90 Days or More | Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 89,202 73,501    
Residential | 90 Days or More | Mortgage loans (gross) | Full documentation interest-only        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 12,380 11,359    
Residential | 90 Days or More | Mortgage loans (gross) | Full documentation interest-only | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Residential | 90 Days or More | Mortgage loans (gross) | Full documentation interest-only | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 12,380 11,359    
Residential | 90 Days or More | Mortgage loans (gross) | Full documentation amortizing        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 38,617 32,867    
Residential | 90 Days or More | Mortgage loans (gross) | Full documentation amortizing | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 433 332    
Residential | 90 Days or More | Mortgage loans (gross) | Full documentation amortizing | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 38,184 32,535    
Residential | 90 Days or More | Mortgage loans (gross) | Reduced documentation interest-only        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 14,634 15,285    
Residential | 90 Days or More | Mortgage loans (gross) | Reduced documentation interest-only | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Residential | 90 Days or More | Mortgage loans (gross) | Reduced documentation interest-only | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 14,634 15,285    
Residential | 90 Days or More | Mortgage loans (gross) | Reduced documentation amortizing        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 24,004 14,322    
Residential | 90 Days or More | Mortgage loans (gross) | Reduced documentation amortizing | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Residential | 90 Days or More | Mortgage loans (gross) | Reduced documentation amortizing | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 24,004 14,322    
Multi-Family | Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 13,131 7,520    
Current 4,065,302 4,016,585    
Total 4,078,433 4,024,105    
Allowance for loan losses (33,020) (35,544) (40,082) (39,250)
Multi-Family | Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 9,725 3,731    
Current 4,060,832 4,013,541    
Total 4,070,557 4,017,272    
Multi-Family | Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 3,406 3,789    
Current 4,470 3,044    
Total 7,876 6,833    
Multi-Family | 30-59 Days | Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 7,800 2,387    
Multi-Family | 30-59 Days | Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 6,632 1,662    
Multi-Family | 30-59 Days | Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 1,168 725    
Multi-Family | 60-89 Days | Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 2,992 2,692    
Multi-Family | 60-89 Days | Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 2,609 2,069    
Multi-Family | 60-89 Days | Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 383 623    
Multi-Family | 90 Days or More | Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 2,339 2,441    
Multi-Family | 90 Days or More | Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 484 0    
Multi-Family | 90 Days or More | Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 1,855 2,441    
Commercial Real Estate | Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 5,004 2,748    
Current 805,905 816,766    
Total 810,909 819,514    
Allowance for loan losses (10,368) (11,217) (17,118) (17,242)
Commercial Real Estate | Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 3,098 1,935    
Current 805,136 813,640    
Total 808,234 815,575    
Commercial Real Estate | Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 1,906 813    
Current 769 3,126    
Total 2,675 3,939    
Commercial Real Estate | 30-59 Days | Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 1,321 487    
Commercial Real Estate | 30-59 Days | Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 246    
Commercial Real Estate | 30-59 Days | Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 1,321 241    
Commercial Real Estate | 60-89 Days | Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 859 1,689    
Commercial Real Estate | 60-89 Days | Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 859 1,689    
Commercial Real Estate | 60-89 Days | Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Commercial Real Estate | 90 Days or More | Mortgage loans (gross)        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 2,824 572    
Commercial Real Estate | 90 Days or More | Mortgage loans (gross) | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 2,239 0    
Commercial Real Estate | 90 Days or More | Mortgage loans (gross) | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 585 572    
Consumer and Other Loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 7,553 9,968    
Current 247,903 242,725    
Total 255,456 252,693    
Allowance for loan losses (6,434) (6,288) $ (9,819) $ (8,825)
Consumer and Other Loans | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 1,384 2,860    
Current 247,903 242,725    
Total 249,287 245,585    
Consumer and Other Loans | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 6,169 7,108    
Current 0 0    
Total 6,169 7,108    
Consumer and Other Loans | Home equity and other consumer        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 6,979 9,265    
Current 147,666 151,554    
Total 154,645 160,819    
Consumer and Other Loans | Home equity and other consumer | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 1,384 2,860    
Current 147,666 151,554    
Total 149,050 154,414    
Consumer and Other Loans | Home equity and other consumer | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 5,595 6,405    
Current 0 0    
Total 5,595 6,405    
Consumer and Other Loans | Commercial and industrial        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 574 703    
Current 100,237 91,171    
Total 100,811 91,874    
Consumer and Other Loans | Commercial and industrial | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Current 100,237 91,171    
Total 100,237 91,171    
Consumer and Other Loans | Commercial and industrial | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 574 703    
Current 0 0    
Total 574 703    
Consumer and Other Loans | 30-59 Days        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 1,259 2,358    
Consumer and Other Loans | 30-59 Days | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 1,259 2,358    
Consumer and Other Loans | 30-59 Days | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Consumer and Other Loans | 30-59 Days | Home equity and other consumer        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 1,259 2,358    
Consumer and Other Loans | 30-59 Days | Home equity and other consumer | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 1,259 2,358    
Consumer and Other Loans | 30-59 Days | Home equity and other consumer | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Consumer and Other Loans | 30-59 Days | Commercial and industrial        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Consumer and Other Loans | 30-59 Days | Commercial and industrial | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Consumer and Other Loans | 30-59 Days | Commercial and industrial | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Consumer and Other Loans | 60-89 Days        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 125 502    
Consumer and Other Loans | 60-89 Days | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 125 502    
Consumer and Other Loans | 60-89 Days | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Consumer and Other Loans | 60-89 Days | Home equity and other consumer        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 125 502    
Consumer and Other Loans | 60-89 Days | Home equity and other consumer | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 125 502    
Consumer and Other Loans | 60-89 Days | Home equity and other consumer | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Consumer and Other Loans | 60-89 Days | Commercial and industrial        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Consumer and Other Loans | 60-89 Days | Commercial and industrial | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Consumer and Other Loans | 60-89 Days | Commercial and industrial | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Consumer and Other Loans | 90 Days or More        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 6,169 7,108    
Consumer and Other Loans | 90 Days or More | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Consumer and Other Loans | 90 Days or More | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 6,169 7,108    
Consumer and Other Loans | 90 Days or More | Home equity and other consumer        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 5,595 6,405    
Consumer and Other Loans | 90 Days or More | Home equity and other consumer | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 0 0    
Consumer and Other Loans | 90 Days or More | Home equity and other consumer | Non-accrual loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 5,595 6,405    
Consumer and Other Loans | 90 Days or More | Commercial and industrial        
Loans receivable and allowance for loan losses disclosures        
Total Past Due 574 703    
Consumer and Other Loans | 90 Days or More | Commercial and industrial | Accruing loans        
Loans receivable and allowance for loan losses disclosures        
Total Past Due $ 0 $ 0