Related Party Transactions	6 Months Ended
Jun. 30, 2015
Related Party Transactions [Abstract]
Related Party Transactions	RELATED PARTY TRANSACTIONS Management Agreement with SP General Services LLC The Manager receives a fee, pursuant to the terms of an amended and restated management agreement, (the “Management Agreement”) at an annual rate of 1.5% of total SPLP Partners' capital ("Management Fee"), payable on the first day of each quarter and subject to quarterly adjustment. In addition, SPLP issued to the Manager partnership profits interests in the form of incentive units, which will be classified as Class C common units of SPLP upon the attainment of certain specified performance goals by SPLP which are determined as of the last day of each fiscal year (see Note 15 - "Capital and Accumulated other Comprehensive Income" for additional information on the incentive units). The Management Agreement is automatically renewed each December 31 for successive one-year terms unless otherwise determined at least 60 days prior to each renewal date by a majority of the independent directors. The Management Fee was $2,184 and $2,257 for the three months ended June 30, 2015 and 2014, respectively, and $4,040 and $4,569 for the six months ended June 30, 2015 and 2014, respectively. The Management Fee is included in Selling, general and administrative expenses in the Company's Consolidated Statements of Operations. There were no unpaid amounts for management fees at June 30, 2015 or December 31, 2014. SPLP will bear (or reimburse the Manager with respect to) all its reasonable costs and expenses of the managed entities, the Manager, SPH GP or their affiliates, including but not limited to: legal, tax, accounting, auditing, consulting, administrative, compliance, investor relations costs related to being a public entity rendered for SPLP or SPH GP as well as expenses incurred by the Manager and SPH GP which are reasonably necessary for the performance by the Manager of its duties and functions under the Management Agreement and certain other expenses incurred by managers, officers, employees and agents of the Manager or its affiliates on behalf of SPLP. Reimbursable expenses incurred by the Manager in connection with its provision of services under the Management Agreement were approximately $734 and $326 for the three months ended June 30, 2015 and 2014, respectively, and $1,455 and $1,345 for the six months ended June 30, 2015 and 2014, respectively. Unpaid amounts for reimbursable expenses were approximately $596 and $1,504 at June 30, 2015 and December 31, 2014, respectively, and are included in Payable to related parties. In 2015, SPLP issued units to the Investment Manager an affiliate of the Manager. The units issued were for the final settlement of the additional liability due to the Investment Manager of approximately $1,800 (see Note 15 - Capital and Accumulated Other Comprehensive Income.") Corporate Services SPH Services, a subsidiary of SPLP, was created to consolidate the executive and corporate functions of SPLP and certain of its affiliates, and to provide such services to other portfolio companies. SP Corporate Services LLC ("SP Corporate"), through Management Services Agreements with these companies, provides services which include assignment of C-Level management personnel, as well as a variety of services including legal, tax, accounting, treasury, consulting, auditing, administrative, compliance, environmental health and safety, human resources, marketing, investor relations and other similar services. The fees payable under these agreements are initially based on the level of services expected to be provided. They are subject to annual review and adjustment and are approved by the respective company's board of directors. The agreements automatically renew for successive one-year periods unless and until terminated in accordance with the agreement. Under certain circumstances, the termination may result in payment of a termination fee to SP Corporate. Consolidated subsidiaries that have agreements with SP Corporate include HNH, Steel Excel, SPLP, Web Financial Holdings, DGT, WebBank, BNS and CoSine. Annual amounts to be billed to these companies are $10,551, $8,150, $6,000, $2,000, $476, $250, $204 and $204, respectively, and are eliminated in consolidation. In addition to its servicing agreements with SPLP and its consolidated subsidiaries, SP Corporate has management services agreements with other companies considered to be related parties, including NOVT, Ore Holdings, Inc., J. Howard Inc., SL Industries, Inc., Steel Partners, Ltd., iGo and MLNK. In total, SP Corporate will charge approximately $4,121 annually to these companies. SPII Liquidating Trust SPLP held interests in the SPII Liquidating Trust, an entity that held certain investments which it acquired in connection with the Exchange Transaction, which the Manager and its affiliate served as the manager and liquidating trustee, respectively, without compensation other than reimbursement for out-of-pocket expenses. The SPII Liquidating Trust was liquidated during the second quarter of 2015. Mutual Securities Pursuant to the Management Agreement, the Manager was responsible for selecting executing brokers. Securities transactions for SPLP are allocated to brokers on the basis of reliability and best price and execution. The Manager has selected Mutual Securities as an introducing broker and may direct a substantial portion of the managed entities’ trades to such firm among others. An officer of the Manager and SPH GP is affiliated with Mutual Securities. The Manager only uses Mutual Securities when such use would not compromise the Manager’s obligation to seek best price and execution. SPLP has the right to pay commissions to Mutual Securities, which are higher than those that can be obtained elsewhere, provided that the Manager believes that the rates paid are competitive institutional rates. Mutual Securities also served as an introducing broker for SPLP’s trades. The Commissions paid by SPLP to Mutual securities were approximately $47 and $100 for the three months ended June 30, 2015 and 2014, respectively and $94 and $230 for the six months ended June 30, 2015 and 2014, respectively. Such commissions are included in Net investment gains (losses) in the Company's Consolidated Statements of Operations. The portion of the commission paid to Mutual Securities ultimately received by such officer is net of clearing and other charges. Other SPLP had an arrangement whereby it held an asset on behalf of a related party in which it had an investment. The investment was liquidated during the second quarter of 2015. The asset had a fair value of $34,280 at December 31, 2014. The Company’s non-management directors receive an annual retainer of $150, of which $75 is paid in cash and $75 is paid in restricted common units of SPLP. The restricted units vest over a three year period. These directors are also paid fees of $1 for each board committee meeting attended. The chairmen of the Audit Committee, Corporate Governance and Nominating Committee and Compensation Committee are paid an additional annual fee of $60, $5 and $5, respectively. Non-management directors’ fees expensed were $242 and $236 for the three months ended June 30, 2015 and 2014, respectively, and $479 and $446 for the six months ended June 30, 2015 and 2014, respectively. Unpaid non-management directors’ fees are included in Payable to related parties and were $37 and $46 at June 30, 2015 and December 31, 2014, respectively. At June 30, 2015 and December 31, 2014, several related parties and consolidated subsidiaries had deposits totaling $9,569 and $14,875, respectively, in WebBank. $6,404 and $12,391 of these deposits have been eliminated in consolidation as of June 30, 2015 and December 31, 2014, respectively. These deposits held at WebBank earned $17 and $26 in interest for the three months ended June 30, 2015 and 2014, respectively, and $37 and $53 for the six months ended June 30, 2015 and 2014, respectively. The amount of this interest that has been eliminated in consolidation was $12 and $22 for the three months ended June 30, 2015 and 2014, respectively, and $28 and $46 for the six months ended June 30, 2015 and 2014, respectively. SPLP has an estimated liability of $116 as of June 30, 2015 and December 31, 2014 included in other current liabilities which, pursuant to the Amended Exchange Agreement, is indemnified by Steel Partners II (Onshore) LP (“SPII Onshore”). As a result, the Company recorded an amount receivable from SPII Onshore reported in Receivable from related parties in the Company's Consolidated Balance Sheets.

RELATED PARTY TRANSACTIONS

Management Agreement with SP General Services LLC

The Manager receives a fee, pursuant to the terms of an amended and restated management agreement, (the “Management Agreement”) at an annual rate of 1.5% of total SPLP Partners' capital ("Management Fee"), payable on the first day of each quarter and subject to quarterly adjustment. In addition, SPLP issued to the Manager partnership profits interests in the form of incentive units, which will be classified as Class C common units of SPLP upon the attainment of certain specified performance goals by SPLP which are determined as of the last day of each fiscal year (see Note 15 - "Capital and Accumulated other Comprehensive Income" for additional information on the incentive units).

The Management Agreement is automatically renewed each December 31 for successive one-year terms unless otherwise determined at least 60 days prior to each renewal date by a majority of the independent directors. The Management Fee was $2,184 and $2,257 for the three months ended June 30, 2015 and 2014, respectively, and $4,040 and $4,569 for the six months ended June 30, 2015 and 2014, respectively. The Management Fee is included in Selling, general and administrative expenses in the Company's Consolidated Statements of Operations. There were no unpaid amounts for management fees at June 30, 2015 or December 31, 2014.

SPLP will bear (or reimburse the Manager with respect to) all its reasonable costs and expenses of the managed entities, the Manager, SPH GP or their affiliates, including but not limited to: legal, tax, accounting, auditing, consulting, administrative, compliance, investor relations costs related to being a public entity rendered for SPLP or SPH GP as well as expenses incurred by the Manager and SPH GP which are reasonably necessary for the performance by the Manager of its duties and functions under the Management Agreement and certain other expenses incurred by managers, officers, employees and agents of the Manager or its affiliates on behalf of SPLP. Reimbursable expenses incurred by the Manager in connection with its provision of services under the Management Agreement were approximately $734 and $326 for the three months ended June 30, 2015 and 2014, respectively, and $1,455 and $1,345 for the six months ended June 30, 2015 and 2014, respectively. Unpaid amounts for reimbursable expenses were approximately $596 and $1,504 at June 30, 2015 and December 31, 2014, respectively, and are included in Payable to related parties.

In 2015, SPLP issued units to the Investment Manager an affiliate of the Manager. The units issued were for the final settlement of the additional liability due to the Investment Manager of approximately $1,800 (see Note 15 - Capital and Accumulated Other Comprehensive Income.")

Corporate Services

SPH Services, a subsidiary of SPLP, was created to consolidate the executive and corporate functions of SPLP and certain of its affiliates, and to provide such services to other portfolio companies. SP Corporate Services LLC ("SP Corporate"), through Management Services Agreements with these companies, provides services which include assignment of C-Level management personnel, as well as a variety of services including legal, tax, accounting, treasury, consulting, auditing, administrative, compliance, environmental health and safety, human resources, marketing, investor relations and other similar services. The fees payable under these agreements are initially based on the level of services expected to be provided. They are subject to annual review and adjustment and are approved by the respective company's board of directors. The agreements automatically renew for successive one-year periods unless and until terminated in accordance with the agreement. Under certain circumstances, the termination may result in payment of a termination fee to SP Corporate.

Consolidated subsidiaries that have agreements with SP Corporate include HNH, Steel Excel, SPLP, Web Financial Holdings, DGT, WebBank, BNS and CoSine. Annual amounts to be billed to these companies are $10,551, $8,150, $6,000, $2,000, $476, $250, $204 and $204, respectively, and are eliminated in consolidation.

In addition to its servicing agreements with SPLP and its consolidated subsidiaries, SP Corporate has management services agreements with other companies considered to be related parties, including NOVT, Ore Holdings, Inc., J. Howard Inc., SL Industries, Inc., Steel Partners, Ltd., iGo and MLNK. In total, SP Corporate will charge approximately $4,121 annually to these companies.

SPII Liquidating Trust

SPLP held interests in the SPII Liquidating Trust, an entity that held certain investments which it acquired in connection with the Exchange Transaction, which the Manager and its affiliate served as the manager and liquidating trustee, respectively, without compensation other than reimbursement for out-of-pocket expenses. The SPII Liquidating Trust was liquidated during the second quarter of 2015.

Mutual Securities

Pursuant to the Management Agreement, the Manager was responsible for selecting executing brokers. Securities transactions for SPLP are allocated to brokers on the basis of reliability and best price and execution. The Manager has selected Mutual Securities as an introducing broker and may direct a substantial portion of the managed entities’ trades to such firm among others. An officer of the Manager and SPH GP is affiliated with Mutual Securities. The Manager only uses Mutual Securities when such use would not compromise the Manager’s obligation to seek best price and execution. SPLP has the right to pay commissions to Mutual Securities, which are higher than those that can be obtained elsewhere, provided that the Manager believes that the rates paid are competitive institutional rates. Mutual Securities also served as an introducing broker for SPLP’s trades. The Commissions paid by SPLP to Mutual securities were approximately $47 and $100 for the three months ended June 30, 2015 and 2014, respectively and $94 and $230 for the six months ended June 30, 2015 and 2014, respectively. Such commissions are included in Net investment gains (losses) in the Company's Consolidated Statements of Operations. The portion of the commission paid to Mutual Securities ultimately received by such officer is net of clearing and other charges.

Other

SPLP had an arrangement whereby it held an asset on behalf of a related party in which it had an investment. The investment was liquidated during the second quarter of 2015. The asset had a fair value of $34,280 at December 31, 2014.

The Company’s non-management directors receive an annual retainer of $150, of which $75 is paid in cash and $75 is paid in restricted common units of SPLP. The restricted units vest over a three year period. These directors are also paid fees of $1 for each board committee meeting attended. The chairmen of the Audit Committee, Corporate Governance and Nominating Committee and Compensation Committee are paid an additional annual fee of $60, $5 and $5, respectively. Non-management directors’ fees expensed were $242 and $236 for the three months ended June 30, 2015 and 2014, respectively, and $479 and $446 for the six months ended June 30, 2015 and 2014, respectively. Unpaid non-management directors’ fees are included in Payable to related parties and were $37 and $46 at June 30, 2015 and December 31, 2014, respectively.

At June 30, 2015 and December 31, 2014, several related parties and consolidated subsidiaries had deposits totaling $9,569 and $14,875, respectively, in WebBank. $6,404 and $12,391 of these deposits have been eliminated in consolidation as of June 30, 2015 and December 31, 2014, respectively. These deposits held at WebBank earned $17 and $26 in interest for the three months ended June 30, 2015 and 2014, respectively, and $37 and $53 for the six months ended June 30, 2015 and 2014, respectively. The amount of this interest that has been eliminated in consolidation was $12 and $22 for the three months ended June 30, 2015 and 2014, respectively, and $28 and $46 for the six months ended June 30, 2015 and 2014, respectively.

SPLP has an estimated liability of $116 as of June 30, 2015 and December 31, 2014 included in other current liabilities which, pursuant to the Amended Exchange Agreement, is indemnified by Steel Partners II (Onshore) LP (“SPII Onshore”). As a result, the Company recorded an amount receivable from SPII Onshore reported in Receivable from related parties in the Company's Consolidated Balance Sheets.