Acquisitions and Dispositions - Fair Value of Assets and Liabilities Assumed (Details) - USD ($) $ in Thousands			12 Months Ended
		Oct. 15, 2015	Oct. 15, 2016	Sep. 30, 2016	Dec. 31, 2015
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Goodwill				$ 528,634	$ 539,475
Progressive Subsidiary | DAMI
Business Acquisition [Line Items]
Purchase Price		$ 54,900
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Cash and Cash Equivalents		4,185
Loans Receivable	[1]	89,126
Receivables		45
Property, Plant and Equipment		2,754
Other Intangibles		2,900
Income Tax Receivable		728
Prepaid Expenses and Other Assets		671
Deferred Income Tax Assets		2,490
Total Identifiable Assets Acquired		102,899
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Accounts Payable and Accrued Expenses		(2,974)
Debt		(45,025)
Total Liabilities Assumed		(47,999)
Goodwill		0
Net Assets Acquired		54,900
Scenario, Previously Reported | Progressive Subsidiary | DAMI
Business Acquisition [Line Items]
Purchase Price	[2]	54,900
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Cash and Cash Equivalents	[2]	4,185
Loans Receivable	[1],[2]	89,186
Receivables	[2]	45
Property, Plant and Equipment	[2]	2,754
Other Intangibles	[2]	3,400
Income Tax Receivable	[2]	728
Prepaid Expenses and Other Assets	[2]	671
Deferred Income Tax Assets	[2]	375
Total Identifiable Assets Acquired	[2]	101,344
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Accounts Payable and Accrued Expenses	[2]	(1,709)
Debt	[2]	(45,025)
Total Liabilities Assumed	[2]	(46,734)
Goodwill	[2]	290
Net Assets Acquired	[2]	$ 54,900
Subsequent Event | Scenario, Adjustment | Progressive Subsidiary | DAMI
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments [Abstract]
Loans Receivable	[1],[3]		$ (60)
Other Intangibles	[3]		(500)
Deferred Income Tax Assets	[3]		2,115
Total Identifiable Assets Acquired	[3]		1,555
Accounts Payable and Accrued Expenses	[3]		(1,265)
Total Liabilities Assumed	[3]		(1,265)
Goodwill	[3]		$ (290)

[1] Contractually required amounts due at the acquisition date were $94.2 million.

[2] As previously reported in the notes to the consolidated financial statements included in the Company's Annual Report on Form 10-K for the year ended December 31, 2015.

[3] The measurement period adjustments primarily relate to the resolution of certain income tax-related matters and contingencies that existed as of the acquisition date.