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v3.19.3.a.u2

Goodwill and Intangible Assets (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 USD ($) $ / loans Rate | Dec. 31, 2018 USD ($) $ / loans Rate | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Goodwill [Roll Forward] |  |  |  |
Beginning goodwill | $ 236,347,000 | $ 150,601,000 |  |
Ending goodwill | 349,398,000 | 236,347,000 | $ 150,601,000 |
Servicing Asset at Amortized Cost | 22,963,000 | 21,396,000 | 21,945,000 | $ 20,415,000
Servicing Asset at Amortized Cost, Additions | 6,149,000 | 5,258,000 | 7,174,000 |
Amortization | (6,233,000) | (5,807,000) | (5,648,000) |
Valuation Allowance for Impairment of Recognized Servicing Assets, Provisions (Recoveries) | $ 222,000 | $ 0 | (4,000) |
Residential Mortgage Loans Serviced |  |  | 2,810,000,000 |
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Prepayment Speed | Rate | 13.72% | 9.26% |  |
Contractually Specified Servicing Fee, Late Fee, and Ancillary Fee Earned in Exchange for Servicing Financial Asset | $ 7,900,000 | $ 7,500,000 | 7,100,000 |
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Cost to Service Loans | $ / loans | 87.09 | 87.52 |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Beginning balance | $ 48,232,000 | $ 51,151,000 |  |
Amortization | 16,346,000 | 17,165,000 |  |
Ending balance | 43,386,000 | 48,232,000 | 51,151,000 |
Finite-Lived Intangible Assets [Abstract] |  |  |  |
Gross balance | 154,507,000 | 143,007,000 |  |
Accumulated amortization | 111,121,000 | 94,775,000 |  |
Carrying value | 43,386,000 | 48,232,000 |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |  |
2019 |  | 14,165,000 |  |
2020 |  | 10,850,000 |  |
2021 |  | 7,658,000 |  |
2022 |  | 5,056,000 |  |
2024 and subsequent |  | 5,657,000 |  |
Other servicing rights | 1,900,000 | 2,700,000 |  |
Biscayne Bancshares |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Goodwill acquired | 46,521,000 |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired | 4,745,000 |  |  |
First South Bancorp |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Goodwill acquired | 13,896,000 |  |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired | 2,268,000 |  |  |
Entegra Financial |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Goodwill acquired | 52,634,000 |  |  |
Ending goodwill | 52,634,000 |  |  |
Servicing Asset at Amortized Cost, Additions | 1,873,000 | 0 | $ 0 |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired | 4,487,000 |  |  |
HomeBancorp Inc. |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Goodwill acquired |  | 57,616,000 |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired | 0 | 9,860,000 |  |
Capital Commerce Bancorp |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Goodwill acquired |  | 10,680,000 |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired | 0 | 2,680,000 |  |
Palmetto Heritage Bancshares |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Goodwill acquired |  | 17,450,000 |  |
Finite-lived Intangible Assets [Roll Forward] |  |  |  |
Intangible assets acquired | $ 0 | $ 1,706,000 |  |
Conventional fixed loans |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate | Rate | 8.92% | 9.69% |  |
All loans and leases excluding conventional fixed loans [Member] |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate | Rate | 9.92% | 10.69% |  |
Minimum |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Useful life (years) | 5 years |  |  |
Maximum |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Useful life (years) | 12 years |  |  |
Core Deposit Intangibles |  |  |  |
Goodwill [Roll Forward] |  |  |  |
Useful life (years) | 10 years 2 months 12 days |  |  |

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