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Fair Value Assets and Liabilities measured on nonrecurring basis (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value | $ 6,924 | $ 2,090
Loans Receivable, Fair Value Disclosure | 7,112,474 | 6,441,458
Servicing Asset at Fair Value, Amount | 12,200 | 5,800
Other Assets, Fair Value Disclosure | 7,072,339 | 6,426,869
Other Repossessed Assets | 3,600 | 4,200
Nonrecurring basis |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 6,924 | 2,090
Servicing Asset at Fair Value, Amount | 12,179 | 5,797
Other Assets, Fair Value Disclosure | 735 | 3,033
Other Repossessed Assets | 3,164 | 3,599
Nonrecurring basis | Residential real estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 175 | 217
Nonrecurring basis | Commercial Real Estate Portfolio Segment [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 6,749 | 1,873
Nonrecurring basis | Residential real estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other Assets, Fair Value Disclosure | 735 | 738
Nonrecurring basis | Commercial Real Estate [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other Assets, Fair Value Disclosure | 0 | 2,295
Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 0 | 0
Level 1 | Nonrecurring basis |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other Assets, Fair Value Disclosure | 0 | 0
Level 1 | Nonrecurring basis | Other Assets [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other Repossessed Assets | 0 |
Level 1 | Nonrecurring basis | Commercial Real Estate Portfolio Segment [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other Assets, Fair Value Disclosure | 0 | 0
Level 1 | Nonrecurring basis | Residential real estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other Assets, Fair Value Disclosure | 0 | 0
Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 33,211 | 12,499
Level 2 | Nonrecurring basis |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Servicing Asset at Fair Value, Amount | 12,179 | 5,797
Other Assets, Fair Value Disclosure | 0 | 0
Level 2 | Nonrecurring basis | Other Assets [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other Repossessed Assets | 0 |
Level 2 | Nonrecurring basis | Commercial Real Estate Portfolio Segment [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other Assets, Fair Value Disclosure | 0 | 0
Level 2 | Nonrecurring basis | Residential real estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other Assets, Fair Value Disclosure | 0 | 0
Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Impaired loans carried at fair value | 6,924 | 2,090
Loans Receivable, Fair Value Disclosure | 7,079,263 | 6,428,959
Other Assets, Fair Value Disclosure | 7,072,339 | 6,426,869
Fair Value, Inputs, Level 3 [Member] | Nonrecurring basis |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 6,924 | 2,090
Other Assets, Fair Value Disclosure | 735 | 3,033
Other Repossessed Assets | 3,164 | 3,599
Fair Value, Inputs, Level 3 [Member] | Nonrecurring basis | Residential real estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 175 | 217
Fair Value, Inputs, Level 3 [Member] | Nonrecurring basis | Commercial Real Estate Portfolio Segment [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Loans Receivable, Fair Value Disclosure | 6,749 | 1,873
Fair Value, Inputs, Level 3 [Member] | Nonrecurring basis | Residential real estate |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other Assets, Fair Value Disclosure | 735 | 738
Fair Value, Inputs, Level 3 [Member] | Nonrecurring basis | Commercial Real Estate [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Other Assets, Fair Value Disclosure | $ 0 | $ 2,295

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- Definition Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 + Details
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