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Loans Receivable Aging Analysis (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Loan portfolio aging analysis |  |
Non-accrual loans | $ 44,833 | $ 49,332
Total past due and non-accrual loans | 88,597 | 76,048
Current loans receivable | 6,489,227 | 5,608,415
Total loans receivable | 6,577,824 | 5,684,463
Accruing loans 30 to 59 days past due |  |
Loan portfolio aging analysis |  |
Past due loans | 26,375 | 20,599
Accruing loans 60 to 89 days past due |  |
Loan portfolio aging analysis |  |
Past due loans | 11,312 | 5,018
Accruing loans 90 days or more past due |  |
Loan portfolio aging analysis |  |
Past due loans | 6,077 | 1,099
Residential Real Estate | Residential Real Estate |  |
Loan portfolio aging analysis |  |
Non-accrual loans | 4,924 | 4,528
Total past due and non-accrual loans | 14,336 | 12,530
Current loans receivable | 706,392 | 661,817
Total loans receivable | 720,728 | 674,347
Residential Real Estate | Residential Real Estate | Accruing loans 30 to 59 days past due |  |
Loan portfolio aging analysis |  |
Past due loans | 6,252 | 6,338
Residential Real Estate | Residential Real Estate | Accruing loans 60 to 89 days past due |  |
Loan portfolio aging analysis |  |
Past due loans | 794 | 1,398
Residential Real Estate | Residential Real Estate | Accruing loans 90 days or more past due |  |
Loan portfolio aging analysis |  |
Past due loans | 2,366 | 266
Commercial |  |
Loan portfolio aging analysis |  |
Total loans receivable | 5,156,492 | 4,332,391
Commercial | Commercial Real Estate |  |
Loan portfolio aging analysis |  |
Non-accrual loans | 27,331 | 30,216
Total past due and non-accrual loans | 45,853 | 36,194
Current loans receivable | 3,531,286 | 2,953,947
Total loans receivable | 3,577,139 | 2,990,141
Commercial | Commercial Real Estate | Accruing loans 30 to 59 days past due |  |
Loan portfolio aging analysis |  |
Past due loans | 12,546 | 5,079
Commercial | Commercial Real Estate | Accruing loans 60 to 89 days past due |  |
Loan portfolio aging analysis |  |
Past due loans | 5,367 | 754
Commercial | Commercial Real Estate | Accruing loans 90 days or more past due |  |
Loan portfolio aging analysis |  |
Past due loans | 609 | 145
Commercial | Other Commercial |  |
Loan portfolio aging analysis |  |
Non-accrual loans | 8,298 | 8,817
Total past due and non-accrual loans | 18,407 | 15,840
Current loans receivable | 1,560,946 | 1,326,410
Total loans receivable | 1,579,353 | 1,342,250
Commercial | Other Commercial | Accruing loans 30 to 59 days past due |  |
Loan portfolio aging analysis |  |
Past due loans | 3,634 | 5,388
Commercial | Other Commercial | Accruing loans 60 to 89 days past due |  |
Loan portfolio aging analysis |  |
Past due loans | 3,502 | 1,352
Commercial | Other Commercial | Accruing loans 90 days or more past due |  |
Loan portfolio aging analysis |  |
Past due loans | 2,973 | 283
Consumer and Other |  |
Loan portfolio aging analysis |  |
Total loans receivable | 700,604 | 677,725
Consumer and Other | Home Equity |  |
Loan portfolio aging analysis |  |
Non-accrual loans | 3,338 | 5,240
Total past due and non-accrual loans | 6,467 | 8,714
Current loans receivable | 451,451 | 426,060
Total loans receivable | 457,918 | 434,774
Consumer and Other | Home Equity | Accruing loans 30 to 59 days past due |  |
Loan portfolio aging analysis |  |
Past due loans | 2,142 | 2,439
Consumer and Other | Home Equity | Accruing loans 60 to 89 days past due |  |
Loan portfolio aging analysis |  |
Past due loans | 987 | 844
Consumer and Other | Home Equity | Accruing loans 90 days or more past due |  |
Loan portfolio aging analysis |  |
Past due loans | 0 | 191
Consumer and Other | Other Consumer |  |
Loan portfolio aging analysis |  |
Non-accrual loans | 942 | 531
Total past due and non-accrual loans | 3,534 | 2,770
Current loans receivable | 239,152 | 240,181
Total loans receivable | 242,686 | 242,951
Consumer and Other | Other Consumer | Accruing loans 30 to 59 days past due |  |
Loan portfolio aging analysis |  |
Past due loans | 1,801 | 1,355
Consumer and Other | Other Consumer | Accruing loans 60 to 89 days past due |  |
Loan portfolio aging analysis |  |
Past due loans | 662 | 670
Consumer and Other | Other Consumer | Accruing loans 90 days or more past due |  |
Loan portfolio aging analysis |  |
Past due loans | $ 129 | $ 214

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