Related Party Transactions	12 Months Ended
Dec. 31, 2015
Related Party Transactions [Abstract]
Related Party Transactions	RELATED PARTY TRANSACTIONS RHSA Immediately prior to the closing of the MacDermid Acquisition, each Retaining Holder entered into a RHSA pursuant to which they agreed to exchange their respective interests in MacDermid Holdings for shares of PDH Common Stock, at an exchange rate of $11.00 per share plus, with respect to the common, class A and class B unit equity interests of MacDermid Holdings held by the Retaining Holder (i) a proportionate share of a contingent interest in certain pending litigation, and (ii) a proportionate share of up to $100 million of contingent purchase price payable upon the attainment of certain EBITDA and stock trading price performance metrics during the seven-year period following the closing of the MacDermid Acquisition. The resulting non-controlling interest percentage for the Retaining Holders was 6.25% and 6.67% as of December 31, 2015 and 2014, respectively. Pursuant to the RHSA, each Retaining Holder is subject to a contractual lock-up with respect to 25% of the total shares of PDH Common Stock initially received by such Retaining Holder, commencing on the first through the fourth anniversary of the MacDermid Acquisition. In addition, until the earlier of (i) the seventh anniversary of the MacDermid Acquisition (that is October 31, 2020) and (ii) such date on which all shares of PDH Common Stock held by Tartan have been exchanged for common stock, Platform has agreed, among certain other covenants, to obtain written consent from Tartan prior to issuing additional securities, or instruments convertible, exchangeable or exercisable for securities. Release of Lock-up Agreement under RHSA Mr. Daniel H. Leever, a Retaining Holder under the RHSA, retired as Chief Executive Officer of the Company on December 14, 2015. In connection with Mr. Leever's retirement, Platform agreed, subject to the satisfaction of certain conditions, to accelerate the expiration of the contractual lock-up included in the RHSA with respect to approximately 3.0 million shares of PDH Common Stock (all of which are convertible at any time into a like number of shares of Platform’s common stock) which are beneficially owned by Mr. Leever and certain related persons through Mr. Leever's ownership in, and control of, Tartan, an entity of which Mr. Leever is the sole director and manager. Platform has agreed to release the lock-up agreements on such shares (and any shares of Platform’s common stock issuable upon conversion thereof), at such time as (i) Platform’s outstanding Series B Convertible Preferred Stock have been converted into shares of Platform’s common stock and the related guarantee payment obligations have been satisfied and (ii) Mr. Leever, acting as the sole director and manager of Tartan, exercises his authority to allocate a pro rata portion of the right to receive certain contingent purchase price payments to all current or former employees of Platform (or their related persons) who are members of Tartan (which allocations may not be changed without the prior written consent of certain members of Tartan); but in any event, such lock-up agreements shall be released no later than October 31, 2016. Previously, the lock-up with respect to half of the shares expired on October 31, 2016 and the lock-up with respect to the other half expired on October 31, 2017. Amendment to the Series B Convertible Preferred Stock On October 27, 2015, the Company further amended the Arysta share purchase agreement, dated as of October 20, 2014, by entering into an amendment agreement with the Original Arysta Seller and the Arysta Seller (as holders of at least a majority of shares of Series B Convertible Preferred Stock) to extend the maturity date of the Series B Convertible Preferred Stock from October 20, 2016 to April 20, 2017. The Company also agreed to pay the Original Arysta Seller and the Arysta Seller an incremental payment equal to $4.0 million per month from the original maturity date (October 20, 2016) to the extended maturity date (April 20, 2017), or such earlier date after October 20, 2016 that the then outstanding shares of Series B Convertible Preferred Stock are converted into shares of common stock or automatically redeemed by Platform. Advisory Services Agreement On October 31, 2013, the Company entered into an Advisory Services Agreement with Mariposa Capital, LLC, an affiliate of one of our founder directors. Under this agreement, Mariposa Capital, LLC provides certain advisory services to the Company and is entitled to receive an annual fee equal to $2.0 million, payable in quarterly installments. This agreement is automatically renewed for successive one-year terms unless either party notifies the other party in writing of its intention not to renew no later than 90 days prior to the expiration of the applicable term. This agreement may only be terminated by the Company upon a vote of a majority of its directors. In the event that this agreement is terminated by the Company, the effective date of the termination will be six months following the expiration of the applicable term. Under this agreement, the Company incurred $2.0 million during each of the years ended December 31, 2015 and 2014, and $0.4 million during the Successor 2013 Period. Registration Rights Agreements On November 7, 2013, we entered into a registration rights agreement with Pershing Square on behalf of funds managed by Pershing Square pursuant to which we agreed to file a resale registration statement for the resale of the shares those funds own from time to time promptly after becoming eligible to utilize a Form S-3. We became eligible to file a registration statement on Form S-3 on January 23, 2015, and initially filed a registration statement on February 2, 2015 as required by this registration rights agreement. This registration statement was amended on February 12, 2015 and was declared effective on February 20, 2015. On May 20, 2014, we completed the May 2014 Private Placement. Blue Ridge Limited Partnership, a stockholder of more than 5% of our then issued and outstanding common stock as of February 12, 2015, along with one of its affiliates, Blue Ridge Offshore Master Limited Partnership, purchased an aggregate 1,000,000 shares of our common stock issued in the May 2014 Private Placement, at a per share price of $19.00. In connection with the May 2014 Private Placement, we granted registration rights to each investor, including Blue Ridge Limited Partnership and Blue Ridge Offshore Master Limited Partnership. Pursuant to these registration rights agreements, on May 23, 2014, we filed the May Resale Registration Statement to register the resale of all of the shares sold in the May 2014 Private Placement which was amended on June 13, 2014 and declared effective on June 19, 2014. In connection with the October/November 2014 Private Placement, Blue Ridge Limited Partnership and Blue Ridge Offshore Master Limited Partnership, stockholders of more than 5%, purchased an additional aggregate 1,953,888 shares of our common stock, at a per share price of $25.59. In addition, Pershing Square, through the Pershing Square Funds, purchased 9,404,064 shares, at a per share price of $25.59. A partner of Pershing Square is a member of Platform’s board of directors. In connection with the October/November 2014 Private Placement, we entered into registration rights agreements with each investor, including Blue Ridge Limited Partnership, Blue Ridge Offshore Master Limited Partnership and Pershing Square on behalf of its funds. Pursuant to these registration rights agreements, on November 3, 2014, we filed the November Resale Registration Statement to register the resale of all of the shares sold in the October/November 2014 Private Placement, including the 9,404,064 shares issued to the Pershing Square’s funds upon stockholder approval on November 6, 2014. The November Resale Registration Statement was declared effective on November 10, 2014. Predecessor Transactions For the Predecessor 2013 Period, the Predecessor paid management fees of $7.5 million to Court Square Capital Partners II LP, an investor, in connection with the consummation of the MacDermid Acquisition and per the terms of the management agreement. Three of MacDermid’s board members prior to the MacDermid Acquisition were employees of Court Square Capital Partners II LP. For the Predecessor 2013 Period, the Company paid management fees to Weston Presidio, an investor, of $1.7 million. On August 26, 2013, MacDermid loaned $0.3 million to an officer in exchange for a promissory note bearing interest at Prime plus 1% per annum. As collateral, the note was secured by real estate owned by the officer. The principal amount of the loan and the accrued interest was repaid in full on October 31, 2013. On October 31, 2013, in order to complete the MacDermid Acquisition, Platform advanced $33.3 million to MacDermid representing the portion of the cash consideration required to purchase the equity held by MacDermid employee shares in connection with the MacDermid Acquisition. Also in conjunction with closing of the MacDermid Acquisition, Platform paid $5.0 million of interest on the then first and second lien credit facilities on MacDermid’s behalf.

RELATED PARTY TRANSACTIONS

RHSA

Immediately prior to the closing of the MacDermid Acquisition, each Retaining Holder entered into a RHSA pursuant to which they agreed to exchange their respective interests in MacDermid Holdings for shares of PDH Common Stock, at an exchange rate of $11.00 per share plus, with respect to the common, class A and class B unit equity interests of MacDermid Holdings held by the Retaining Holder (i) a proportionate share of a contingent interest in certain pending litigation, and (ii) a proportionate share of up to $100 million of contingent purchase price payable upon the attainment of certain EBITDA and stock trading price performance metrics during the seven-year period following the closing of the MacDermid Acquisition. The resulting non-controlling interest percentage for the Retaining Holders was 6.25% and 6.67% as of December 31, 2015 and 2014, respectively.

Pursuant to the RHSA, each Retaining Holder is subject to a contractual lock-up with respect to 25% of the total shares of PDH Common Stock initially received by such Retaining Holder, commencing on the first through the fourth anniversary of the MacDermid Acquisition. In addition, until the earlier of (i) the seventh anniversary of the MacDermid Acquisition (that is October 31, 2020) and (ii) such date on which all shares of PDH Common Stock held by Tartan have been exchanged for common stock, Platform has agreed, among certain other covenants, to obtain written consent from Tartan prior to issuing additional securities, or instruments convertible, exchangeable or exercisable for securities.

Release of Lock-up Agreement under RHSA

Mr. Daniel H. Leever, a Retaining Holder under the RHSA, retired as Chief Executive Officer of the Company on December 14, 2015. In connection with Mr. Leever's retirement, Platform agreed, subject to the satisfaction of certain conditions, to accelerate the expiration of the contractual lock-up included in the RHSA with respect to approximately 3.0 million shares of PDH Common Stock (all of which are convertible at any time into a like number of shares of Platform’s common stock) which are beneficially owned by Mr. Leever and certain related persons through Mr. Leever's ownership in, and control of, Tartan, an entity of which Mr. Leever is the sole director and manager. Platform has agreed to release the lock-up agreements on such shares (and any shares of Platform’s common stock issuable upon conversion thereof), at such time as (i) Platform’s outstanding Series B Convertible Preferred Stock have been converted into shares of Platform’s common stock and the related guarantee payment obligations have been satisfied and (ii) Mr. Leever, acting as the sole director and manager of Tartan, exercises his authority to allocate a pro rata portion of the right to receive certain contingent purchase price payments to all current or former employees of Platform (or their related persons) who are members of Tartan (which allocations may not be changed without the prior written consent of certain members of Tartan); but in any event, such lock-up agreements shall be released no later than October 31, 2016. Previously, the lock-up with respect to half of the shares expired on October 31, 2016 and the lock-up with respect to the other half expired on October 31, 2017.

Amendment to the Series B Convertible Preferred Stock

On October 27, 2015, the Company further amended the Arysta share purchase agreement, dated as of October 20, 2014, by entering into an amendment agreement with the Original Arysta Seller and the Arysta Seller (as holders of at least a majority of shares of Series B Convertible Preferred Stock) to extend the maturity date of the Series B Convertible Preferred Stock from October 20, 2016 to April 20, 2017. The Company also agreed to pay the Original Arysta Seller and the Arysta Seller an incremental payment equal to $4.0 million per month from the original maturity date (October 20, 2016) to the extended maturity date (April 20, 2017), or such earlier date after October 20, 2016 that the then outstanding shares of Series B Convertible Preferred Stock are converted into shares of common stock or automatically redeemed by Platform.

Advisory Services Agreement

On October 31, 2013, the Company entered into an Advisory Services Agreement with Mariposa Capital, LLC, an affiliate of one of our founder directors. Under this agreement, Mariposa Capital, LLC provides certain advisory services to the Company and is entitled to receive an annual fee equal to $2.0 million, payable in quarterly installments. This agreement is automatically renewed for successive one-year terms unless either party notifies the other party in writing of its intention not to renew no later than 90 days prior to the expiration of the applicable term. This agreement may only be terminated by the Company upon a vote of a majority of its directors. In the event that this agreement is terminated by the Company, the effective date of the termination will be six months following the expiration of the applicable term. Under this agreement, the Company incurred $2.0 million during each of the years ended December 31, 2015 and 2014, and $0.4 million during the Successor 2013 Period.

Registration Rights Agreements

On November 7, 2013, we entered into a registration rights agreement with Pershing Square on behalf of funds managed by Pershing Square pursuant to which we agreed to file a resale registration statement for the resale of the shares those funds own from time to time promptly after becoming eligible to utilize a Form S-3. We became eligible to file a registration statement on Form S-3 on January 23, 2015, and initially filed a registration statement on February 2, 2015 as required by this registration rights agreement. This registration statement was amended on February 12, 2015 and was declared effective on February 20, 2015.

On May 20, 2014, we completed the May 2014 Private Placement. Blue Ridge Limited Partnership, a stockholder of more than 5% of our then issued and outstanding common stock as of February 12, 2015, along with one of its affiliates, Blue Ridge Offshore Master Limited Partnership, purchased an aggregate 1,000,000 shares of our common stock issued in the May 2014 Private Placement, at a per share price of $19.00. In connection with the May 2014 Private Placement, we granted registration rights to each investor, including Blue Ridge Limited Partnership and Blue Ridge Offshore Master Limited Partnership. Pursuant to these registration rights agreements, on May 23, 2014, we filed the May Resale Registration Statement to register the resale of all of the shares sold in the May 2014 Private Placement which was amended on June 13, 2014 and declared effective on June 19, 2014.

In connection with the October/November 2014 Private Placement, Blue Ridge Limited Partnership and Blue Ridge Offshore Master Limited Partnership, stockholders of more than 5%, purchased an additional aggregate 1,953,888 shares of our common stock, at a per share price of $25.59. In addition, Pershing Square, through the Pershing Square Funds, purchased 9,404,064 shares, at a per share price of $25.59. A partner of Pershing Square is a member of Platform’s board of directors. In connection with the October/November 2014 Private Placement, we entered into registration rights agreements with each investor, including Blue Ridge Limited Partnership, Blue Ridge Offshore Master Limited Partnership and Pershing Square on behalf of its funds. Pursuant to these registration rights agreements, on November 3, 2014, we filed the November Resale Registration Statement to register the resale of all of the shares sold in the October/November 2014 Private Placement, including the 9,404,064 shares issued to the Pershing Square’s funds upon stockholder approval on November 6, 2014. The November Resale Registration Statement was declared effective on November 10, 2014.

Predecessor Transactions

For the Predecessor 2013 Period, the Predecessor paid management fees of $7.5 million to Court Square Capital Partners II LP, an investor, in connection with the consummation of the MacDermid Acquisition and per the terms of the management agreement. Three of MacDermid’s board members prior to the MacDermid Acquisition were employees of Court Square Capital Partners II LP.

For the Predecessor 2013 Period, the Company paid management fees to Weston Presidio, an investor, of $1.7 million.

On August 26, 2013, MacDermid loaned $0.3 million to an officer in exchange for a promissory note bearing interest at Prime plus 1% per annum. As collateral, the note was secured by real estate owned by the officer. The principal amount of the loan and the accrued interest was repaid in full on October 31, 2013.

On October 31, 2013, in order to complete the MacDermid Acquisition, Platform advanced $33.3 million to MacDermid representing the portion of the cash consideration required to purchase the equity held by MacDermid employee shares in connection with the MacDermid Acquisition. Also in conjunction with closing of the MacDermid Acquisition, Platform paid $5.0 million of interest on the then first and second lien credit facilities on MacDermid’s behalf.