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ALLL and Loans Receivable Summary (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Allowance for Loan and Lease Losses and Loans Receivable |  |
Individually evaluated for impairment | $ 138,544 | $ 119,994
Collectively evaluated for impairment | 7,531,486 | 6,457,830
Total loans receivable | 7,670,030 | 6,577,824
Individually evaluated for impairment | 4,468 | 5,223
Collectively evaluated for impairment | 123,140 | 124,345
Total allowance for loan and lease losses | 127,608 | 129,568
Residential Real Estate | Residential Real Estate |  |
Allowance for Loan and Lease Losses and Loans Receivable |  |
Individually evaluated for impairment | 13,257 | 12,399
Collectively evaluated for impairment | 817,764 | 708,329
Total loans receivable | 831,021 | 720,728
Individually evaluated for impairment | 167 | 246
Collectively evaluated for impairment | 10,467 | 10,552
Total allowance for loan and lease losses | 10,634 | 10,798
Commercial |  |
Allowance for Loan and Lease Losses and Loans Receivable |  |
Total loans receivable | 6,090,296 | 5,156,492
Commercial | Commercial Real Estate |  |
Allowance for Loan and Lease Losses and Loans Receivable |  |
Individually evaluated for impairment | 93,496 | 77,536
Collectively evaluated for impairment | 4,157,507 | 3,499,603
Total loans receivable | 4,251,003 | 3,577,139
Individually evaluated for impairment | 798 | 500
Collectively evaluated for impairment | 67,544 | 68,015
Total allowance for loan and lease losses | 68,342 | 68,515
Commercial | Other Commercial |  |
Allowance for Loan and Lease Losses and Loans Receivable |  |
Individually evaluated for impairment | 25,518 | 23,032
Collectively evaluated for impairment | 1,813,775 | 1,556,321
Total loans receivable | 1,839,293 | 1,579,353
Individually evaluated for impairment | 3,042 | 3,851
Collectively evaluated for impairment | 35,066 | 35,452
Total allowance for loan and lease losses | 38,108 | 39,303
Consumer and Other |  |
Allowance for Loan and Lease Losses and Loans Receivable |  |
Total loans receivable | 748,713 | 700,604
Consumer and Other | Home Equity |  |
Allowance for Loan and Lease Losses and Loans Receivable |  |
Individually evaluated for impairment | 3,326 | 3,755
Collectively evaluated for impairment | 486,553 | 454,163
Total loans receivable | 489,879 | 457,918
Individually evaluated for impairment | 27 | 56
Collectively evaluated for impairment | 6,013 | 6,148
Total allowance for loan and lease losses | 6,040 | 6,204
Consumer and Other | Other Consumer |  |
Allowance for Loan and Lease Losses and Loans Receivable |  |
Individually evaluated for impairment | 2,947 | 3,272
Collectively evaluated for impairment | 255,887 | 239,414
Total loans receivable | 258,834 | 242,686
Individually evaluated for impairment | 434 | 570
Collectively evaluated for impairment | 4,050 | 4,178
Total allowance for loan and lease losses | $ 4,484 | $ 4,748

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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition The balance of financing receivables that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 + Details
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