Noncovered Loans (Analysis of Loan Portfolio by Major Types of Loans) (Details) (USD $)
In Thousands, unless otherwise specified |
Jun. 30, 2014
|
Mar. 31, 2014
|
Dec. 31, 2013
|
Jun. 30, 2013
|
Mar. 31, 2013
|
Dec. 31, 2012
|
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Financing Receivable, Recorded Investment [Line Items] | ||||||
Loans and Leases Receivable, Deferred Income | $ 57,126 | $ 68,282 | ||||
Loans, net | 4,645,280 | 4,444,842 | ||||
Loans held for sale | 750 | 735 | ||||
Noncovered Loans [Member]
|
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Financing Receivable, Recorded Investment [Line Items] | ||||||
Loans and Leases Receivable, Deferred Income | 57,126 | 68,282 | ||||
Recorded Investment | 4,452,674 | 4,219,451 | ||||
Allowance for loan losses | 49,494 | 50,442 | 52,280 | 51,698 | 51,119 | 52,244 |
Loans, net | 4,403,180 | 4,167,171 | ||||
Loans held for sale | 750 | 735 | ||||
One-to-Four Family Residential [Member] | Noncovered Loans [Member]
|
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Financing Receivable, Recorded Investment [Line Items] | ||||||
Loans and Leases Receivable, Gross, Consumer, Mortgage | 102,632 | 108,317 | ||||
Loans and Leases Receivable, Gross, Consumer, Construction | 61,481 | 54,155 | ||||
Allowance for loan losses | 1,083 | 1,194 | 1,252 | 672 | 657 | 694 |
Commercial and Multifamily Residential [Member] | Noncovered Loans [Member]
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Financing Receivable, Recorded Investment [Line Items] | ||||||
Loans Receivable, Gross, Commercial, Mortgage | 2,127,520 | 2,080,075 | ||||
Loans Receivable, Gross, Commercial, Construction | 134,140 | 126,390 | ||||
Commercial Portfolio Segment [Member] | Noncovered Loans [Member]
|
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Financing Receivable, Recorded Investment [Line Items] | ||||||
Loans Receivable, Gross, Commercial and Industrial | 1,735,588 | 1,561,782 | ||||
Real Estate Portfolio Segment [Member] | Noncovered Loans [Member]
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Financing Receivable, Recorded Investment [Line Items] | ||||||
Loans Receivable Real Estate Mortgage | 2,230,152 | 2,188,392 | ||||
Real Estate Construction Portfolio Segment [Member] | Noncovered Loans [Member]
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Financing Receivable, Recorded Investment [Line Items] | ||||||
Loans Receivable Real Estate Construction | 195,621 | 180,545 | ||||
Consumer Portfolio Segment [Member] | Noncovered Loans [Member]
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Financing Receivable, Recorded Investment [Line Items] | ||||||
Loans and Leases Receivable, Gross, Consumer | 348,439 | 357,014 | ||||
Allowance for loan losses | $ 2,643 | $ 2,637 | $ 2,547 | $ 2,455 | $ 2,364 | $ 2,437 |