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Investment in Qualified Affordable Housing | 12 Months Ended
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Dec. 31, 2016
Investments in Qualified Affordable Housing [Abstract] |
Equity Method Investments and Joint Ventures Disclosure [Text Block] | Investment in Qualified Affordable Housing Park makes certain equity investments in various limited partnerships that sponsor affordable housing projects. The purposes of these investments are to achieve a satisfactory return on capital, help create affordable housing opportunities, and assist the Company to achieve our goals associated with the Community Reinvestment Act. As permitted by ASU 2014-01, Accounting for Investments in Qualified Affordable Housing Projects, Park elected the proportional amortization method of accounting. Under the proportional amortization method, amortization expense and tax benefits are recognized through the provision for income taxes. The table below details the balances of Park’s affordable housing tax credit investments and related unfunded commitments as of December 31, 2016 and 2015.
(In thousands) |  | December 31, 2016 | December 31, 2015
Affordable housing tax credit investments |  | $ | 52,947 |  | $ | 51,247 |
Unfunded commitments |  | 14,282 |  | 20,311 |
Commitments are funded when capital calls are made by the general partner. Park expects that the current commitment will be funded between 2017 and 2027. During the years ended December 31, 2016, 2015 and 2014, Park recognized amortization expense of $7.3 million, $6.7 million and $6.9 million, respectively, which was included within the provision for income taxes. For the years ended December 31, 2016, 2015 and 2014, Park recognized tax credits and other benefits from its affordable housing tax credit investments of $9.4 million, $8.9 million and $8.8 million, respectively.

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- Definition The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=64825282&loc=d3e32847-111569 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 35 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=64825282&loc=d3e32787-111569 + Details
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