Loans Receivable - Impaired Loans (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	$ 2,475		$ 2,778
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	3,152		4,478
Impaired Financing Receivable Loans With No Specific Related Allowance	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	82		299
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	134		319
Impaired Financing Receivable Loans With Specific Related Allowance	25		242
Impaired Financing Receivable, Recorded Investment	2,557		3,077
Impaired Financing Receivable, Unpaid Principal Balance	3,286		4,797
Impaired Financing Receivable, Related Allowance	25		242
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	2,510	2,510
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	11	7
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	104	2,808
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	1
Impaired Financing Receivable, Average Recorded Investment	2,614	5,318
Impaired Financing Receivable, Interest Income, Accrual Method	11	8
Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,155		1,551
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	1,186		1,842
Impaired Financing Receivable Loans With No Specific Related Allowance	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	26		133
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	34		141
Impaired Financing Receivable Loans With Specific Related Allowance	9		116
Impaired Financing Receivable, Recorded Investment	1,181		1,684
Impaired Financing Receivable, Unpaid Principal Balance	1,220		1,983
Impaired Financing Receivable, Related Allowance	9		116
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	1,162	2,145
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	7	7
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	26	232
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	0
Impaired Financing Receivable, Average Recorded Investment	1,188	2,377
Impaired Financing Receivable, Interest Income, Accrual Method	7	7
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	1,051		956
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	1,509		2,310
Impaired Financing Receivable Loans With No Specific Related Allowance	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		98
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0		98
Impaired Financing Receivable Loans With Specific Related Allowance	0		98
Impaired Financing Receivable, Recorded Investment	1,051		1,054
Impaired Financing Receivable, Unpaid Principal Balance	1,509		2,408
Impaired Financing Receivable, Related Allowance	0		98
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	1,052	0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	0	2,466
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	1
Impaired Financing Receivable, Average Recorded Investment	1,052	2,466
Impaired Financing Receivable, Interest Income, Accrual Method	0	1
Commercial loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0		0
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0		0
Impaired Financing Receivable Loans With No Specific Related Allowance	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0		0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0		0
Impaired Financing Receivable Loans With Specific Related Allowance	0		0
Impaired Financing Receivable, Recorded Investment	0		0
Impaired Financing Receivable, Unpaid Principal Balance	0		0
Impaired Financing Receivable, Related Allowance	0		0
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	0	0
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	0	0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	0
Impaired Financing Receivable, Average Recorded Investment	0	0
Impaired Financing Receivable, Interest Income, Accrual Method	0	0
Consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	269		271
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	457		326
Impaired Financing Receivable Loans With No Specific Related Allowance	0		0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	56		68
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	100		80
Impaired Financing Receivable Loans With Specific Related Allowance	16		28
Impaired Financing Receivable, Recorded Investment	325		339
Impaired Financing Receivable, Unpaid Principal Balance	557		406
Impaired Financing Receivable, Related Allowance	16		28
Impaired Financing Receivable, with No Related Allowance, Average Recorded Investment	296	365
Impaired Financing Receivable, with No Related Allowance, Interest Income, Accrual Method	4	0
Impaired Financing Receivable, with Related Allowance, Average Recorded Investment	78	110
Impaired Financing Receivable, with Related Allowance, Interest Income, Accrual Method	0	0
Impaired Financing Receivable, Average Recorded Investment	374	475
Impaired Financing Receivable, Interest Income, Accrual Method	$ 4	$ 0

Amount of allowance for credit losses related to recorded investment not with a specific valuation allowance.

No definition available.

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Amount of allowance for credit losses related to recorded investment with specific valuation allowance.

+ References

No definition available.

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5212-111524

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 17

-URI http://asc.fasb.org/extlink&oid=28368275&loc=d3e5258-111524

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- Definition

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

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- Definition

Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 14A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953550-111524

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- Definition

Amount of allowance for credit losses related to recorded investment.

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- Definition

Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

+ References

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- Definition

Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses.

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- Definition

Amount of interest income, recognized on accrual basis, on financing receivables that are recognized as impaired, for which there is no related allowance for credit losses.

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Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.

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- Definition

Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses.

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Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses.

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Amount of interest income, recognized on accrual basis, on financing receivables, for which there is a related allowance for credit losses and are recognized as impaired.

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Amount of investment in impaired financing receivables for which there is a related allowance for credit losses.

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- Definition

Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses.

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