Loans (Analysis of the Aged Loan Portfolio) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual Loans	$ 31,352
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual Loans	2,939
Secured Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual Loans	16,552
Unsecured Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual Loans	247
One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual Loans	2,822
Commercial Land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual Loans	821
Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual Loans	3,826
Land And Acquisition [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual Loans	95
Residential Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual Loans	370
Income Property Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual Loans	3,200
Owner Occupied Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual Loans	480
Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	5,158,985	4,158,873
30 - 59 Days Past Due	14,656	20,754
60 - 89 Days Past Due	8,415	5,809
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	1,386	0
Total Past Due	24,457	26,563
Nonaccrual Loans	31,352	34,015
Loans Receivable, Net	5,214,794	4,219,451
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Income Property Multifamily Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	73,783	86,521
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	0	0
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0
Total Past Due	0	0
Nonaccrual Loans	0	0
Loans Receivable, Net	73,783	86,521
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	341,032	322,685
30 - 59 Days Past Due	933	835
60 - 89 Days Past Due	118	823
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	10	0
Total Past Due	1,061	1,658
Nonaccrual Loans	2,939	3,991
Loans Receivable, Net	345,032	328,334
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Secured Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	2,004,418	1,457,820
30 - 59 Days Past Due	5,137	12,713
60 - 89 Days Past Due	6,149	681
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	1,372	0
Total Past Due	12,658	13,394
Nonaccrual Loans	16,552	12,433
Loans Receivable, Net	2,033,628	1,483,647
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Unsecured Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	79,661	72,255
30 - 59 Days Past Due	185	156
60 - 89 Days Past Due	0	17
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	0
Total Past Due	185	173
Nonaccrual Loans	247	176
Loans Receivable, Net	80,093	72,604
Loans, Excluding Purchased Credit Impaired Loans [Member] \| One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	167,197	100,591
30 - 59 Days Past Due	1,700	1,993
60 - 89 Days Past Due	45	641
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	0
Total Past Due	1,745	2,634
Nonaccrual Loans	2,822	2,667
Loans Receivable, Net	171,764	105,892
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Commercial Land [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	187,470	142,034
30 - 59 Days Past Due	1,454	0
60 - 89 Days Past Due	34	358
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	0
Total Past Due	1,488	358
Nonaccrual Loans	821	442
Loans Receivable, Net	189,779	142,834
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Owner Occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	839,689	749,561
30 - 59 Days Past Due	937	4,714
60 - 89 Days Past Due	289	0
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	0
Total Past Due	1,226	4,714
Nonaccrual Loans	3,826	6,334
Loans Receivable, Net	844,741	760,609
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Land And Acquisition [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	15,462	8,225
30 - 59 Days Past Due	953	199
60 - 89 Days Past Due	0	0
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	0
Total Past Due	953	199
Nonaccrual Loans	95	3,246
Loans Receivable, Net	16,510	11,670
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Residential Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	97,821	41,533
30 - 59 Days Past Due	326	0
60 - 89 Days Past Due	0	0
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	4	0
Total Past Due	330	0
Nonaccrual Loans	370	459
Loans Receivable, Net	98,521	41,992
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Income Property Multifamily [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	1,294,982	1,138,732
30 - 59 Days Past Due	3,031	144
60 - 89 Days Past Due	786	3,289
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0	0
Total Past Due	3,817	3,433
Nonaccrual Loans	3,200	4,267
Loans Receivable, Net	1,301,999	1,146,432
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Owner Occupied Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current Loans	57,470	38,916
30 - 59 Days Past Due	0	0
60 - 89 Days Past Due	994	0
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0
Total Past Due	994	0
Nonaccrual Loans	480	0
Loans Receivable, Net	$ 58,944	$ 38,916

Financing receivables that are less than 60 days past due but more than 29 days past due.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7A

-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953401-111524

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Financing receivables that are less than 90 days past due but more than 59 days past due.

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Financing receivables that are current.

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Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5111-111524

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes loans held for sale. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph a

-Article 9

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

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