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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 | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Dec. 31, 2018
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |
Beginning balance | $ 43,679 | $ 39,499 | $ 39,972 | $ 38,015 |  |
Charge-offs | (1,250) | (1,161) | (2,594) | (1,850) |  |
Recoveries | 613 | 734 | 897 | 790 |  |
Provision for loan and lease losses | 5,346 | (784) | 10,113 | 1,333 |  |
Ending balance | 48,388 | 38,288 | 48,388 | 38,288 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | $ 30,241 | $ 39,118
Collectively evaluated for impairment |  |  |  |  | 7,666,278 | 7,077,806
Loans and leases receivable, gross |  |  |  |  | 7,715,769 | 7,138,498
Loans receivable, at amortized cost or lower of cost or market |  |  |  |  | 7,715,769 | 7,138,498
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 303 | 845
Collectively evaluated for impairment |  |  |  |  | 45,383 | 36,249
Total Allowance for loan losses | 43,679 | 39,499 | 39,972 | 38,288 | 48,388 | 39,972
Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 19,250 | 21,574
Loans and leases receivable, gross |  |  |  |  | 19,250 | 21,574
Allowance for loan losses: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 2,702 | 2,878
Multi-family |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |
Beginning balance | 10,630 | 12,545 | 11,462 | 12,168 |  |
Charge-offs | 0 | 0 | (541) | 0 |  |
Recoveries | 7 | 0 | 7 | 0 |  |
Provision for loan and lease losses | (711) | (476) | (1,002) | (99) |  |
Ending balance | 9,926 | 12,069 | 9,926 | 12,069 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 | 1,155
Collectively evaluated for impairment |  |  |  |  | 3,015,935 | 3,282,452
Loans and leases receivable, gross |  |  |  |  | 3,017,531 | 3,285,297
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 | 539
Collectively evaluated for impairment |  |  |  |  | 9,926 | 10,923
Total Allowance for loan losses | 10,630 | 12,545 | 11,462 | 12,069 | 9,926 | 11,462
Multi-family | Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 1,596 | 1,690
Loans and leases receivable, gross |  |  |  |  | 1,596 | 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 | 12,647 | 11,737 | 12,145 | 10,918 |  |
Charge-offs | (183) | (174) | (183) | (224) |  |
Recoveries | 338 | 140 | 457 | 175 |  |
Provision for loan and lease losses | 934 | 555 | 1,317 | 1,389 |  |
Ending balance | 13,736 | 12,258 | 13,736 | 12,258 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 10,605 | 17,828
Collectively evaluated for impairment |  |  |  |  | 1,587,470 | 1,355,436
Loans and leases receivable, gross |  |  |  |  | 1,598,470 | 1,373,800
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 225 | 261
Collectively evaluated for impairment |  |  |  |  | 13,250 | 11,516
Total Allowance for loan losses | 12,647 | 11,737 | 13,736 | 10,918 | 13,736 | 12,145
Commercial and industrial | Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 395 | 536
Loans and leases receivable, gross |  |  |  |  | 395 | 536
Allowance for loan losses: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 261 | 368
Commercial real estate owner occupied |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |
Beginning balance | 3,425 | 3,525 | 3,320 | 3,232 |  |
Charge-offs | (66) | (483) | (74) | (501) |  |
Recoveries | 97 | 326 | 225 | 326 |  |
Provision for loan and lease losses | (96) | (380) | (111) | (69) |  |
Ending balance | 3,360 | 2,988 | 3,360 | 2,988 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 950 | 1,069
Collectively evaluated for impairment |  |  |  |  | 577,470 | 567,970
Loans and leases receivable, gross |  |  |  |  | 586,086 | 577,477
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 31 | 1
Collectively evaluated for impairment |  |  |  |  | 3,321 | 3,319
Total Allowance for loan losses | 3,425 | 3,525 | 3,360 | 2,988 | 3,360 | 3,320
Commercial real estate owner occupied | Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 7,666 | 8,438
Loans and leases receivable, gross |  |  |  |  | 7,666 | 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 | 6,015 | 7,233 | 6,093 | 7,437 |  |
Charge-offs | 0 | 0 | 0 | 0 |  |
Recoveries | 0 | 0 | 0 | 0 |  |
Provision for loan and lease losses | 144 | (535) | 66 | (739) |  |
Ending balance | 6,159 | 6,698 | 6,159 | 6,698 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 94 | 129
Collectively evaluated for impairment |  |  |  |  | 1,172,673 | 1,120,633
Loans and leases receivable, gross |  |  |  |  | 1,176,575 | 1,125,106
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 | 0
Collectively evaluated for impairment |  |  |  |  | 4,249 | 4,161
Total Allowance for loan losses | 6,015 | 7,233 | 6,093 | 7,437 | 6,159 | 6,093
Commercial real estate non-owner occupied | Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 3,808 | 4,344
Loans and leases receivable, gross |  |  |  |  | 3,808 | 4,344
Allowance for loan losses: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 1,910 | 1,932
Construction |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |
Beginning balance | 584 | 921 | 624 | 979 |  |
Charge-offs | 0 | 0 | 0 | 0 |  |
Recoveries | 114 | 209 | 120 | 220 |  |
Provision for loan and lease losses | (49) | (138) | (95) | (207) |  |
Ending balance | 649 | 992 | 649 | 992 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 | 0
Collectively evaluated for impairment |  |  |  |  | 59,811 | 56,491
Loans and leases receivable, gross |  |  |  |  | 59,811 | 56,491
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 0 | 0
Collectively evaluated for impairment |  |  |  |  | 649 | 624
Total Allowance for loan losses | 584 | 921 | 649 | 979 | 649 | 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 | 6,572 | 3,179 | 3,654 | 2,929 |  |
Charge-offs | (69) | (42) | (109) | (407) |  |
Recoveries | 8 | 56 | 15 | 63 |  |
Provision for loan and lease losses | (2,343) | (285) | 608 | 323 |  |
Ending balance | 4,168 | 2,908 | 4,168 | 2,908 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 8,107 | 8,631
Collectively evaluated for impairment |  |  |  |  | 636,896 | 553,593
Loans and leases receivable, gross |  |  |  |  | 648,860 | 566,561
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 39 | 41
Collectively evaluated for impairment |  |  |  |  | 3,789 | 3,227
Total Allowance for loan losses | 6,572 | 3,179 | 4,168 | 2,929 | 4,168 | 3,654
Residential real estate | Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 3,857 | 4,337
Loans and leases receivable, gross |  |  |  |  | 3,857 | 4,337
Allowance for loan losses: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 340 | 386
Manufactured housing |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |
Beginning balance | 117 | 176 | 145 | 180 |  |
Charge-offs | 0 | 0 | 0 | 0 |  |
Recoveries | 0 | 0 | 0 | 0 |  |
Provision for loan and lease losses | 6 | (27) | (22) | (31) |  |
Ending balance | 123 | 149 | 123 | 149 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 10,126 | 10,195
Collectively evaluated for impairment |  |  |  |  | 63,749 | 67,528
Loans and leases receivable, gross |  |  |  |  | 75,597 | 79,731
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 3 | 3
Collectively evaluated for impairment |  |  |  |  | 91 | 89
Total Allowance for loan losses | 117 | 176 | 145 | 180 | 123 | 145
Manufactured housing | Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 1,722 | 2,008
Loans and leases receivable, gross |  |  |  |  | 1,722 | 2,008
Allowance for loan losses: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 29 | 53
Other consumer |  |  |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |  |  |
Beginning balance | 3,689 | 183 | 2,529 | 172 |  |
Charge-offs | (932) | (462) | (1,687) | (718) |  |
Recoveries | 49 | 3 | 73 | 6 |  |
Provision for loan and lease losses | 7,461 | 502 | 9,352 | 766 |  |
Ending balance | 10,267 | 226 | 10,267 | 226 |  |
Loans: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 359 | 111
Collectively evaluated for impairment |  |  |  |  | 552,274 | 73,703
Loans and leases receivable, gross |  |  |  |  | 552,839 | 74,035
Allowance for loan losses: |  |  |  |  |  |
Individually evaluated for impairment |  |  |  |  | 5 | 0
Collectively evaluated for impairment |  |  |  |  | 10,108 | 2,390
Total Allowance for loan losses | $ 3,689 | $ 183 | $ 10,267 | $ 226 | 10,267 | 2,529
Other consumer | Purchased Credit Impaired Loans |  |  |  |  |  |
Loans: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | 206 | 221
Loans and leases receivable, gross |  |  |  |  | 206 | 221
Allowance for loan losses: |  |  |  |  |  |
Loans acquired with credit deterioration |  |  |  |  | $ 154 | $ 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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