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Loans Receivable - Interest Rate Terms (Details) $ in Thousands | Sep. 30, 2018 USD ($)
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Accounts, Notes, Loans and Financing Receivable [Line Items] |
Gross Loans, Fixed-Rate | $ 7,844,376
% of Gross Loans, Fixed-Rate | 61.00%
Gross Loans, Adjustable Rate | $ 5,009,302
% of Gross Loans, Adjustable Rate | 39.00%
Within 1 year |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Gross Loans, Fixed-Rate | $ 90,107
% of Gross Loans, Fixed-Rate | 0.70%
Gross Loans, Adjustable Rate | $ 3,003,472
% of Gross Loans, Adjustable Rate | 23.40%
1 to 3 years |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Gross Loans, Fixed-Rate | $ 205,442
% of Gross Loans, Fixed-Rate | 1.60%
Gross Loans, Adjustable Rate | $ 873,078
% of Gross Loans, Adjustable Rate | 6.80%
3 to 5 years |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Gross Loans, Fixed-Rate | $ 280,760
% of Gross Loans, Fixed-Rate | 2.20%
Gross Loans, Adjustable Rate | $ 669,331
% of Gross Loans, Adjustable Rate | 5.20%
5 to 10 years |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Gross Loans, Fixed-Rate | $ 1,069,783
% of Gross Loans, Fixed-Rate | 8.30%
Gross Loans, Adjustable Rate | $ 395,157
% of Gross Loans, Adjustable Rate | 3.10%
10 to 20 years |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Gross Loans, Fixed-Rate | $ 1,137,196
% of Gross Loans, Fixed-Rate | 8.80%
Gross Loans, Adjustable Rate | $ 45,603
% of Gross Loans, Adjustable Rate | 0.40%
Over 20 years |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Gross Loans, Fixed-Rate | $ 5,061,088
% of Gross Loans, Fixed-Rate | 39.40%
Gross Loans, Adjustable Rate | $ 22,661
% of Gross Loans, Adjustable Rate | 0.20%

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