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Allowance for Loan Losses - Loans Collectively and Individually Evaluated for Impairment (Details) $ in Thousands | Sep. 30, 2019 USD ($)
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Accounts, Notes, Loans and Financing Receivable [Line Items] |
Allowance allocation, loans collectively evaluated for impairment | $ 131,095
Allowance allocation, loans individually evaluated for impairment | 439
Recorded investment of loans, loans collectively evaluated for impairment | 12,076,622
Recorded investment of loans, loans individually evaluated for impairment | $ 34,425
Ratio, loans collectively evaluated for impairment | 1.10%
Ratio, loans individually evaluated for impairment | 1.30%
Commercial loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Allowance allocation, loans collectively evaluated for impairment | $ 93,031
Allowance allocation, loans individually evaluated for impairment | 439
Recorded investment of loans, loans collectively evaluated for impairment | 5,633,438
Recorded investment of loans, loans individually evaluated for impairment | $ 15,185
Ratio, loans collectively evaluated for impairment | 1.70%
Ratio, loans individually evaluated for impairment | 2.90%
Commercial loans | Multi-family |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Allowance allocation, loans collectively evaluated for impairment | $ 7,387
Allowance allocation, loans individually evaluated for impairment | 4
Recorded investment of loans, loans collectively evaluated for impairment | 1,422,266
Recorded investment of loans, loans individually evaluated for impairment | $ 385
Ratio, loans collectively evaluated for impairment | 0.50%
Ratio, loans individually evaluated for impairment | 1.00%
Commercial loans | Commercial real estate |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Allowance allocation, loans collectively evaluated for impairment | $ 12,847
Allowance allocation, loans individually evaluated for impairment | 323
Recorded investment of loans, loans collectively evaluated for impairment | 1,618,406
Recorded investment of loans, loans individually evaluated for impairment | $ 12,765
Ratio, loans collectively evaluated for impairment | 0.80%
Ratio, loans individually evaluated for impairment | 2.50%
Commercial loans | Commercial & industrial |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Allowance allocation, loans collectively evaluated for impairment | $ 31,358
Allowance allocation, loans individually evaluated for impairment | 92
Recorded investment of loans, loans collectively evaluated for impairment | 1,266,913
Recorded investment of loans, loans individually evaluated for impairment | $ 1,805
Ratio, loans collectively evaluated for impairment | 2.50%
Ratio, loans individually evaluated for impairment | 5.10%
Commercial loans | Construction |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Allowance allocation, loans collectively evaluated for impairment | $ 32,304
Allowance allocation, loans individually evaluated for impairment | 0
Recorded investment of loans, loans collectively evaluated for impairment | 1,164,889
Recorded investment of loans, loans individually evaluated for impairment | $ 0
Ratio, loans collectively evaluated for impairment | 2.80%
Ratio, loans individually evaluated for impairment | 0.00%
Commercial loans | Land - acquisition & development |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Allowance allocation, loans collectively evaluated for impairment | $ 9,135
Allowance allocation, loans individually evaluated for impairment | 20
Recorded investment of loans, loans collectively evaluated for impairment | 160,964
Recorded investment of loans, loans individually evaluated for impairment | $ 230
Ratio, loans collectively evaluated for impairment | 5.70%
Ratio, loans individually evaluated for impairment | 8.70%
Consumer loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Allowance allocation, loans collectively evaluated for impairment | $ 38,064
Allowance allocation, loans individually evaluated for impairment | 0
Recorded investment of loans, loans collectively evaluated for impairment | 6,443,184
Recorded investment of loans, loans individually evaluated for impairment | $ 19,240
Ratio, loans collectively evaluated for impairment | 0.60%
Ratio, loans individually evaluated for impairment | 0.00%
Consumer loans | Construction |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Allowance allocation, loans collectively evaluated for impairment | $ 1,369
Allowance allocation, loans individually evaluated for impairment | 0
Recorded investment of loans, loans collectively evaluated for impairment | 255,505
Recorded investment of loans, loans individually evaluated for impairment | $ 0
Ratio, loans collectively evaluated for impairment | 0.50%
Ratio, loans individually evaluated for impairment | 0.00%
Consumer loans | Single-family residential |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Allowance allocation, loans collectively evaluated for impairment | $ 30,988
Allowance allocation, loans individually evaluated for impairment | 0
Recorded investment of loans, loans collectively evaluated for impairment | 5,822,200
Recorded investment of loans, loans individually evaluated for impairment | $ 17,978
Ratio, loans collectively evaluated for impairment | 0.50%
Ratio, loans individually evaluated for impairment | 0.00%
Consumer loans | Land - consumer lot loans |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Allowance allocation, loans collectively evaluated for impairment | $ 2,143
Allowance allocation, loans individually evaluated for impairment | 0
Recorded investment of loans, loans collectively evaluated for impairment | 95,574
Recorded investment of loans, loans individually evaluated for impairment | $ 375
Ratio, loans collectively evaluated for impairment | 2.20%
Ratio, loans individually evaluated for impairment | 0.00%
Consumer loans | HELOC |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Allowance allocation, loans collectively evaluated for impairment | $ 1,103
Allowance allocation, loans individually evaluated for impairment | 0
Recorded investment of loans, loans collectively evaluated for impairment | 140,378
Recorded investment of loans, loans individually evaluated for impairment | $ 837
Ratio, loans collectively evaluated for impairment | 0.80%
Ratio, loans individually evaluated for impairment | 0.00%
Consumer loans | Consumer |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Allowance allocation, loans collectively evaluated for impairment | $ 2,461
Allowance allocation, loans individually evaluated for impairment | 0
Recorded investment of loans, loans collectively evaluated for impairment | 129,527
Recorded investment of loans, loans individually evaluated for impairment | $ 50
Ratio, loans collectively evaluated for impairment | 1.90%
Ratio, loans individually evaluated for impairment | 0.00%

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