Investment in Real Estate Limited Partnerships Narrative Data (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Investment Holdings [Line Items]
Investment in real estate limited partnerships	$ 2,783	$ 2,373
Capital contributions payable for limited partnership investments	27	0
Equity in losses of limited partnerships	565	484	$ 800
Losses from the exit of investments in real estate limited partnerships			144
Tax credits for investments in real estate limited partnership	$ 881	$ 564	$ 735

The balance of capital contributions payable for investment in limited partnerships.

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- Definition

Investment in real estate limited partnerships.

+ References

No definition available.

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- Definition

Losses on investment in real estate limited partnerships.

+ References

No definition available.

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- Definition

Losses from the exit of investments in real estate limited partnerships.

+ References

No definition available.

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- Definition

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to investment tax credit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319

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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.

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