Loans Receivable (TDR Pre/Post Modifications) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2018 USD ($) number	Mar. 31, 2017 USD ($) number
Mortgage Loan [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts \| number	38	32
Financing Receivable Modifications Pre Modification Recorded Investment	$ 5,747	$ 4,004
Pre Modification Weighted Average Rate	5.69%	6.53%
Pre Modification Weighted Average Term	397 months	391 months
Financing Receivable Modifications Post Modification Recorded Investment	$ 5,339	$ 4,015
Post Modification Weighted Average Rate	5.08%	4.86%
Post Modification Weighted Average Term	363 months	387 months
Commercial Loan [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts \| number	3	9
Financing Receivable Modifications Pre Modification Recorded Investment	$ 1,559	$ 1,218
Pre Modification Weighted Average Rate	4.75%	7.29%
Pre Modification Weighted Average Term	72 months	55 months
Financing Receivable Modifications Post Modification Recorded Investment	$ 1,555	$ 1,219
Post Modification Weighted Average Rate	4.75%	5.93%
Post Modification Weighted Average Term	72 months	64 months
Consumer Loan [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts \| number	28	25
Financing Receivable Modifications Pre Modification Recorded Investment	$ 354	$ 392
Pre Modification Weighted Average Rate	15.75%	10.94%
Pre Modification Weighted Average Term	47 months	64 months
Financing Receivable Modifications Post Modification Recorded Investment	$ 355	$ 430
Post Modification Weighted Average Rate	11.60%	10.33%
Post Modification Weighted Average Term	69 months	74 months
Auto Loan [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts \| number	0	3
Financing Receivable Modifications Pre Modification Recorded Investment	$ 0	$ 45
Pre Modification Weighted Average Rate	0.00%	8.90%
Pre Modification Weighted Average Term	0 months	75 months
Financing Receivable Modifications Post Modification Recorded Investment	$ 0	$ 47
Post Modification Weighted Average Rate	0.00%	11.88%
Post Modification Weighted Average Term	0 months	39 months

Weighted average rate of financing receivables (after modification) modified by troubled debt restructurings.

No definition available.

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- Definition

Weighted average term of financing receivables (after modification) modified by troubled debt restructurings.

+ References

No definition available.

+ Details

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- Definition

Weighted average rate of financing receivables (before modification) modified by troubled debt restructurings.

+ References

No definition available.

+ Details

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- Definition

Weighted average term of financing receivables (before modification) modified by troubled debt restructurings.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524

+ Details

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- Definition

Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

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- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

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