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Loans and Leases Receivable and Allowance for Loan and Lease Losses - Schedule of Allowance for Loan and Lease Losses (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Dec. 31, 2018
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |
Beginning balance | $ 48,388 | $ 38,288 | $ 39,972 | $ 38,015 |  |
Charge-offs | (2,200) | (527) | (4,794) | (2,377) |  |
Recoveries | 439 | 56 | 1,336 | 846 |  |
Provision for loan and lease losses | 4,426 | 2,924 | 14,539 | 4,257 |  |
Ending balance | 51,053 | 40,741 | 51,053 | 40,741 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | $ 27,668 | $ 39,118
Collectively evaluated for impairment |  |  |  |  | 7,292,498 | 7,077,806
Loans and leases receivable, gross |  |  |  |  | 7,338,555 | 7,138,498
Loans receivable, at amortized cost or lower of cost or market |  |  |  |  | 7,338,555 | 7,138,498
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 395 | 845
Collectively evaluated for impairment |  |  |  |  | 48,034 | 36,249
Total Allowance for loan losses | 51,053 | 38,288 | 51,053 | 40,741 | 51,053 | 39,972
Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 18,389 | 21,574
Loans and leases receivable, gross |  |  |  |  | 18,389 | 21,574
Allowance for loan losses: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 2,624 | 2,878
Multi-family |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |
Beginning balance | 9,926 | 12,069 | 11,462 | 12,168 |  |
Charge-offs | 0 | 0 | (541) | 0 |  |
Recoveries | 0 | 0 | 7 | 0 |  |
Provision for loan and lease losses | (2,428) | (240) | (3,430) | (339) |  |
Ending balance | 7,498 | 11,829 | 7,498 | 11,829 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 | 1,155
Collectively evaluated for impairment |  |  |  |  | 2,298,588 | 3,282,452
Loans and leases receivable, gross |  |  |  |  | 2,300,244 | 3,285,297
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 | 539
Collectively evaluated for impairment |  |  |  |  | 7,498 | 10,923
Total Allowance for loan losses | 9,926 | 12,069 | 11,462 | 11,829 | 7,498 | 11,462
Multi-family | Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 1,656 | 1,690
Loans and leases receivable, gross |  |  |  |  | 1,656 | 1,690
Allowance for loan losses: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 0 | 0
Commercial and industrial |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |
Beginning balance | 13,736 | 12,258 | 12,145 | 10,918 |  |
Charge-offs | (349) | (90) | (532) | (314) |  |
Recoveries | 369 | 30 | 826 | 205 |  |
Provision for loan and lease losses | 2,119 | 516 | 3,436 | 1,905 |  |
Ending balance | 15,875 | 12,714 | 15,875 | 12,714 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 5,375 | 17,828
Collectively evaluated for impairment |  |  |  |  | 1,882,385 | 1,355,436
Loans and leases receivable, gross |  |  |  |  | 1,888,134 | 1,373,800
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 167 | 261
Collectively evaluated for impairment |  |  |  |  | 15,448 | 11,516
Total Allowance for loan losses | 13,736 | 12,258 | 15,875 | 12,714 | 15,875 | 12,145
Commercial and industrial | Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 374 | 536
Loans and leases receivable, gross |  |  |  |  | 374 | 536
Allowance for loan losses: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 260 | 368
Commercial real estate owner occupied |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |
Beginning balance | 3,360 | 2,988 | 3,320 | 3,232 |  |
Charge-offs | (45) | 0 | (119) | (501) |  |
Recoveries | 10 | 0 | 235 | 326 |  |
Provision for loan and lease losses | (435) | 164 | (546) | 95 |  |
Ending balance | 2,890 | 3,152 | 2,890 | 3,152 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 2,084 | 1,069
Collectively evaluated for impairment |  |  |  |  | 466,604 | 567,970
Loans and leases receivable, gross |  |  |  |  | 475,465 | 577,477
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 | 1
Collectively evaluated for impairment |  |  |  |  | 2,882 | 3,319
Total Allowance for loan losses | 3,360 | 2,988 | 2,890 | 3,152 | 2,890 | 3,320
Commercial real estate owner occupied | Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 6,777 | 8,438
Loans and leases receivable, gross |  |  |  |  | 6,777 | 8,438
Allowance for loan losses: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 8 | 0
Commercial real estate non-owner occupied |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |
Beginning balance | 6,159 | 6,698 | 6,093 | 7,437 |  |
Charge-offs | 0 | 0 | 0 | 0 |  |
Recoveries | 0 | 5 | 0 | 5 |  |
Provision for loan and lease losses | 281 | (254) | 347 | (993) |  |
Ending balance | 6,440 | 6,449 | 6,440 | 6,449 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 83 | 129
Collectively evaluated for impairment |  |  |  |  | 1,264,361 | 1,120,633
Loans and leases receivable, gross |  |  |  |  | 1,268,557 | 1,125,106
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 | 0
Collectively evaluated for impairment |  |  |  |  | 4,555 | 4,161
Total Allowance for loan losses | 6,159 | 6,698 | 6,440 | 6,449 | 6,440 | 6,093
Commercial real estate non-owner occupied | Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 4,113 | 4,344
Loans and leases receivable, gross |  |  |  |  | 4,113 | 4,344
Allowance for loan losses: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 1,885 | 1,932
Construction |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |
Beginning balance | 649 | 992 | 624 | 979 |  |
Charge-offs | 0 | 0 | 0 | 0 |  |
Recoveries | 8 | 11 | 128 | 231 |  |
Provision for loan and lease losses | 1 | 59 | (94) | (148) |  |
Ending balance | 658 | 1,062 | 658 | 1,062 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 | 0
Collectively evaluated for impairment |  |  |  |  | 61,200 | 56,491
Loans and leases receivable, gross |  |  |  |  | 61,200 | 56,491
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 | 0
Collectively evaluated for impairment |  |  |  |  | 658 | 624
Total Allowance for loan losses | 649 | 992 | 624 | 1,062 | 658 | 624
Construction | Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 0 | 0
Loans and leases receivable, gross |  |  |  |  | 0 | 0
Allowance for loan losses: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 0 | 0
Residential real estate |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |
Beginning balance | 4,168 | 2,908 | 3,654 | 2,929 |  |
Charge-offs | 0 | 0 | (109) | (407) |  |
Recoveries | 5 | 6 | 20 | 69 |  |
Provision for loan and lease losses | (90) | 987 | 518 | 1,310 |  |
Ending balance | 4,083 | 3,901 | 4,083 | 3,901 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 9,057 | 8,631
Collectively evaluated for impairment |  |  |  |  | 616,054 | 553,593
Loans and leases receivable, gross |  |  |  |  | 628,786 | 566,561
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 40 | 41
Collectively evaluated for impairment |  |  |  |  | 3,727 | 3,227
Total Allowance for loan losses | 4,168 | 2,908 | 3,654 | 2,929 | 4,083 | 3,654
Residential real estate | Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 3,675 | 4,337
Loans and leases receivable, gross |  |  |  |  | 3,675 | 4,337
Allowance for loan losses: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 316 | 386
Manufactured housing |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |
Beginning balance | 123 | 149 | 145 | 180 |  |
Charge-offs | 0 | 0 | 0 | 0 |  |
Recoveries | 0 | 0 | 0 | 0 |  |
Provision for loan and lease losses | 904 | (55) | 882 | (86) |  |
Ending balance | 1,027 | 94 | 1,027 | 94 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 9,929 | 10,195
Collectively evaluated for impairment |  |  |  |  | 61,096 | 67,528
Loans and leases receivable, gross |  |  |  |  | 72,616 | 79,731
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 123 | 3
Collectively evaluated for impairment |  |  |  |  | 904 | 89
Total Allowance for loan losses | 123 | 149 | 145 | 94 | 1,027 | 145
Manufactured housing | Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 1,591 | 2,008
Loans and leases receivable, gross |  |  |  |  | 1,591 | 2,008
Allowance for loan losses: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 0 | 53
Other consumer |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |
Beginning balance | 10,267 | 226 | 2,529 | 172 |  |
Charge-offs | (1,806) | (437) | (3,493) | (1,155) |  |
Recoveries | 47 | 4 | 120 | 10 |  |
Provision for loan and lease losses | 4,074 | 1,747 | 13,426 | 2,513 |  |
Ending balance | 12,582 | 1,540 | 12,582 | 1,540 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 1,140 | 111
Collectively evaluated for impairment |  |  |  |  | 642,210 | 73,703
Loans and leases receivable, gross |  |  |  |  | 643,553 | 74,035
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 65 | 0
Collectively evaluated for impairment |  |  |  |  | 12,362 | 2,390
Total Allowance for loan losses | $ 10,267 | $ 226 | $ 2,529 | $ 172 | 12,582 | 2,529
Other consumer | Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 203 | 221
Loans and leases receivable, gross |  |  |  |  | 203 | 221
Allowance for loan losses: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | $ 155 | $ 139

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- Definition Loans and Leases Receivable that are either specifically or collectively evaluated for impairment + References No definition available. + Details
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- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118955202&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -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 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 + Details
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