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Allowance for Credit Losses - Disaggregated analysis of the changes in allowance for credit losses (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Jan. 01, 2020
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | $ 56,927 | $ 55,798 |  |
Charge-offs |  | (3,223) | (1,619) |  |
Recoveries |  | 1,909 | 958 |  |
Net charge-offs |  | (1,314) | (661) |  |
Provision (benefit) |  | 34,734 | 1,488 |  |
Balance at end of period |  | 144,785 | 56,522 |  |
Quantitative allowance |  |  |  |  |
Collectively evaluated |  |  |  | $ 79,251 |
Individually evaluated |  |  |  | 1,312 |
Total quantitative allowance |  |  |  | 80,563 |
Qualitative allowance |  |  |  | 64,222 |
Allowance for credit losses |  | 144,785 | $ 56,522 | 144,785 |
Unfunded Commitment |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at end of period |  | 1,799 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 1,799 |  | 1,799 |
Initial PCD Allowance |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 3,408 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 3,408 |  |  |
ASU 2016-13 |  |  |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses | [1] |  |  |  | $ 54,438
Adjustments |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 111,365 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 111,365 |  |  |
Adjustments | ASU 2016-13 |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 51,030 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 51,030 |  |  | $ 56,927
Mortgage |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 5,076 |  |  |
Charge-offs |  | (304) |  |  |
Recoveries |  | 219 |  |  |
Net charge-offs |  | (85) |  |  |
Provision (benefit) |  | 6,187 |  |  |
Balance at end of period |  | 16,033 |  |  |
Quantitative allowance |  |  |  |  |
Collectively evaluated |  |  |  | 10,278 |
Individually evaluated |  |  |  | 182 |
Total quantitative allowance |  |  |  | 10,460 |
Qualitative allowance |  |  |  | 5,573 |
Allowance for credit losses |  | 16,033 |  | 16,033 |
Mortgage | Initial PCD Allowance |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 98 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 98 |  |  |
Mortgage | Adjustments |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 9,931 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 9,931 |  |  |
Mortgage | Adjustments | ASU 2016-13 |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 4,757 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 4,757 |  |  |
HELOC |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 4,310 |  |  |
Charge-offs |  | (615) |  |  |
Recoveries |  | 405 |  |  |
Net charge-offs |  | (210) |  |  |
Provision (benefit) |  | 3,828 |  |  |
Balance at end of period |  | 12,050 |  |  |
Quantitative allowance |  |  |  |  |
Collectively evaluated |  |  |  | 7,489 |
Individually evaluated |  |  |  | 314 |
Total quantitative allowance |  |  |  | 7,803 |
Qualitative allowance |  |  |  | 4,247 |
Allowance for credit losses |  | 12,050 |  | 12,050 |
HELOC | Initial PCD Allowance |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 286 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 286 |  |  |
HELOC | Adjustments |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 8,432 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 8,432 |  |  |
HELOC | Adjustments | ASU 2016-13 |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 3,836 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 3,836 |  |  |
Non MOHO |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 1,142 |  |  |
Charge-offs |  | (230) |  |  |
Recoveries |  | 35 |  |  |
Net charge-offs |  | (195) |  |  |
Provision (benefit) |  | 692 |  |  |
Balance at end of period |  | 2,732 |  |  |
Quantitative allowance |  |  |  |  |
Collectively evaluated |  |  |  | 1,873 |
Total quantitative allowance |  |  |  | 1,873 |
Qualitative allowance |  |  |  | 859 |
Allowance for credit losses |  | 2,732 |  | 2,732 |
Non MOHO | Initial PCD Allowance |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 14 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 14 |  |  |
Non MOHO | Adjustments |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 2,235 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 2,235 |  |  |
Non MOHO | Adjustments | ASU 2016-13 |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 1,079 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 1,079 |  |  |
Mobile Home |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 2,176 |  |  |
Charge-offs |  | (380) |  |  |
Recoveries |  | 53 |  |  |
Net charge-offs |  | (327) |  |  |
Provision (benefit) |  | 528 |  |  |
Balance at end of period |  | 4,458 |  |  |
Quantitative allowance |  |  |  |  |
Collectively evaluated |  |  |  | 3,719 |
Total quantitative allowance |  |  |  | 3,719 |
Qualitative allowance |  |  |  | 739 |
Allowance for credit losses |  | 4,458 |  | 4,458 |
Mobile Home | Initial PCD Allowance |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 655 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 655 |  |  |
Mobile Home | Adjustments |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 4,257 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 4,257 |  |  |
Mobile Home | Adjustments | ASU 2016-13 |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 1,426 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 1,426 |  |  |
Ready Reserves |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 231 |  |  |
Charge-offs |  | (99) |  |  |
Recoveries |  | 5 |  |  |
Net charge-offs |  | (94) |  |  |
Provision (benefit) |  | 156 |  |  |
Balance at end of period |  | 513 |  |  |
Quantitative allowance |  |  |  |  |
Collectively evaluated |  |  |  | 382 |
Total quantitative allowance |  |  |  | 382 |
Qualitative allowance |  |  |  | 131 |
Allowance for credit losses |  | 513 |  | 513 |
Ready Reserves | Adjustments |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 451 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 451 |  |  |
Ready Reserves | Adjustments | ASU 2016-13 |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 220 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 220 |  |  |
Overdrafts |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 561 |  |  |
Charge-offs |  | (1,076) |  |  |
Recoveries |  | 374 |  |  |
Net charge-offs |  | (702) |  |  |
Provision (benefit) |  | 459 |  |  |
Balance at end of period |  | 855 |  |  |
Quantitative allowance |  |  |  |  |
Collectively evaluated |  |  |  | 772 |
Total quantitative allowance |  |  |  | 772 |
Qualitative allowance |  |  |  | 83 |
Allowance for credit losses |  | 855 |  | 855 |
Overdrafts | Adjustments |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 1,098 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 1,098 |  |  |
Overdrafts | Adjustments | ASU 2016-13 |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 537 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 537 |  |  |
Land |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 3,055 |  |  |
Charge-offs |  | (105) |  |  |
Recoveries |  | 172 |  |  |
Net charge-offs |  | 67 |  |  |
Provision (benefit) |  | 1,210 |  |  |
Balance at end of period |  | 7,254 |  |  |
Quantitative allowance |  |  |  |  |
Collectively evaluated |  |  |  | 8,019 |
Individually evaluated |  |  |  | 64 |
Total quantitative allowance |  |  |  | 8,083 |
Qualitative allowance |  |  |  | (829) |
Allowance for credit losses |  | 7,254 |  | 7,254 |
Land | Initial PCD Allowance |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 348 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 348 |  |  |
Land | Adjustments |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 5,977 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 5,977 |  |  |
Land | Adjustments | ASU 2016-13 |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 2,574 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 2,574 |  |  |
CRE-OO and C&I |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 18,189 |  |  |
Charge-offs |  | (361) |  |  |
Recoveries |  | 245 |  |  |
Net charge-offs |  | (116) |  |  |
Provision (benefit) |  | 4,878 |  |  |
Balance at end of period |  | 40,345 |  |  |
Quantitative allowance |  |  |  |  |
Collectively evaluated |  |  |  | 24,417 |
Individually evaluated |  |  |  | 570 |
Total quantitative allowance |  |  |  | 24,987 |
Qualitative allowance |  |  |  | 15,358 |
Allowance for credit losses |  | 40,345 |  | 40,345 |
CRE-OO and C&I | Initial PCD Allowance |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 907 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 907 |  |  |
CRE-OO and C&I | Adjustments |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 35,583 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 35,583 |  |  |
CRE-OO and C&I | Adjustments | ASU 2016-13 |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 16,487 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 16,487 |  |  |
CRE and OIPP |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 20,800 |  |  |
Recoveries |  | 201 |  |  |
Net charge-offs |  | 201 |  |  |
Provision (benefit) |  | 16,548 |  |  |
Balance at end of period |  | 57,437 |  |  |
Quantitative allowance |  |  |  |  |
Collectively evaluated |  |  |  | 20,580 |
Individually evaluated |  |  |  | 30 |
Total quantitative allowance |  |  |  | 20,610 |
Qualitative allowance |  |  |  | 36,827 |
Allowance for credit losses |  | 57,437 |  | 57,437 |
CRE and OIPP | Initial PCD Allowance |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 1,010 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 1,010 |  |  |
CRE and OIPP | Adjustments |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 40,688 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 40,688 |  |  |
CRE and OIPP | Adjustments | ASU 2016-13 |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 18,878 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 18,878 |  |  |
BEX and Micro |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 1,148 |  |  |
Charge-offs |  | (53) |  |  |
Recoveries |  | 200 |  |  |
Net charge-offs |  | 147 |  |  |
Provision (benefit) |  | 273 |  |  |
Balance at end of period |  | 2,665 |  |  |
Quantitative allowance |  |  |  |  |
Collectively evaluated |  |  |  | 1,722 |
Individually evaluated |  |  |  | 152 |
Total quantitative allowance |  |  |  | 1,874 |
Qualitative allowance |  |  |  | 791 |
Allowance for credit losses |  | 2,665 |  | 2,665 |
BEX and Micro | Initial PCD Allowance |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 90 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 90 |  |  |
BEX and Micro | Adjustments |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 2,245 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 2,245 |  |  |
BEX and Micro | Adjustments | ASU 2016-13 |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 1,007 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 1,007 |  |  |
In transit |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 239 |  |  |
Provision (benefit) |  | (25) |  |  |
Balance at end of period |  | 443 |  |  |
Quantitative allowance |  |  |  |  |
Qualitative allowance |  |  |  | 443 |
Allowance for credit losses |  | 443 |  | $ 443 |
In transit | Adjustments |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 468 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | 468 |  |  |
In transit | Adjustments | ASU 2016-13 |  |  |  |  |
Allowance for credit losses |  |  |  |  |
Balance at beginning of period |  | 229 |  |  |
Quantitative allowance |  |  |  |  |
Allowance for credit losses |  | $ 229 |  |  |
[1] | This is the calculated adjustment to the ACL related to the adoption of ASC 326. Additional reserve related to non-acquired loans was $34,049, to acquired loans was $16,981 and to purchased credit deteriorated loans was $3,408.

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- Definition Reflects the amount of loans and leases that have been removed, or charged off, from both loan receivables and the reserve for credit losses, typically because they are considered to be not salvageable or have been purchased by unconsolidated collection entities. This amount is net of reduction in bad debt expense attributable to collections of loans and lease receivables which had previously been fully or partially charged off as bad debts. + References No definition available. + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were individually and collectively evaluated for impairment. + References No definition available. + Details
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- Definition Amount of qualitative allowance for credit loss on financing receivable. + 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 valuation allowance for financing receivables that are expected to be uncollectible that were individually 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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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953423-111524 Reference 3: 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 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 + Details
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