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Investment in Qualified Affordable Housing | 12 Months Ended
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Dec. 31, 2015
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 purpose of these investments is 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. Previously, these investments were accounted for under the cost method of accounting with amortization of the investment being recorded in other expense and tax benefits recognized in the provision for income taxes. During the first quarter of 2015, Park adopted ASU 2014-01, Accounting for Investments in Qualified Affordable Housing Projects, and elected the proportional amortization method with amortization expense and tax benefits recognized through the provision for income taxes. This ASU is required to be applied retrospectively to all periods presented. As a result of these changes, Park recorded a cumulative-effect adjustment to beginning retained earnings. The following table summarizes the impact of retrospective application to the balance sheet and income statement for all prior periods presented:
(In thousands) |  | December 31, 2014
Total assets |  |
As previously reported |  | $ | 7,003,256 |
As reported under the new guidance |  | 7,001,199 |
Retained earnings |  |
As previously reported |  | $ | 486,541 |
As reported under the new guidance |  | 484,484 |
Total equity |  |
As previously reported |  | $ | 698,598 |
As reported under the new guidance |  | 696,541 |
(In thousands) |  | 12 months ended December 31, 2014 | 12 months ended December 31, 2013
Total other expense |  |  |
As previously reported |  | $ | 195,234 |  | $ | 188,529 |
As reported under the new guidance |  | 187,510 |  | 181,515 |
Income tax expense |  |  |
As previously reported |  | $ | 28,602 |  | $ | 25,131 |
As reported under the new guidance |  | 36,459 |  | 32,503 |
Net income |  |  |
As previously reported |  | $ | 84,090 |  | $ | 77,227 |
As reported under the new guidance |  | 83,957 |  | 76,869 |
The table below details the balances of Park’s affordable housing tax credit investments and related unfunded commitments as of December 31, 2015 and 2014.
(In thousands) |  | December 31, 2015 | December 31, 2014
Affordable housing tax credit investments |  | $ | 51,247 |  | $ | 48,911 |
Unfunded commitments |  | 20,311 |  | 16,629 |
During the years ended December 31, 2015 and 2014, Park recognized amortization expense of $6.7 million and $6.9 million, respectively, which was included within the provision for income taxes. For the years ended December 31, 2015 and 2014, Park recognized tax credits and other benefits from its affordable housing tax credit investments of $8.9 million and $8.8 million, respectively.

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- Definition Investments in Qualified Affordable Housing [Abstract] + References No definition available. + Details
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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=6382943&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=49116238&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=49116238&loc=d3e32787-111569 + Details
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