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Affordable Housing Projects Tax Credit Partnerships (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Years ending December 31:
2018	$ 4,044
2019	5,736
2020	2,208
2021	226
2022	147
Thereafter	800
Total unfunded commitments	$ 13,161

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Amount of commitment or contingent commitments to qualified affordable housing project investments due in the next fiscal year following the latest fiscal year.

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Amount of commitment or contingent commitments to qualified affordable housing project investments due after the fifth fiscal year following the latest fiscal year.

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Amount of commitment or contingent commitments to qualified affordable housing project investments due fifth fiscal year following the latest fiscal year.

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Amount of commitment or contingent commitments to qualified affordable housing project investments due fourth fiscal year following the latest fiscal year.

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Amount of commitment or contingent commitments to qualified affordable housing project investments due third fiscal year following the latest fiscal year.

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Amount of commitment or contingent commitments to qualified affordable housing project investments due second fiscal year following the latest fiscal year.

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Amount of commitment or contingent commitments to qualified affordable housing project investments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 740
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=64813897&loc=SL49122993-202985

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