Acquisitions and Dispositions - Narrative (Details) - USD ($) $ in Thousands				6 Months Ended
	Jun. 30, 2016	Oct. 15, 2015		Jun. 30, 2016	Jun. 30, 2015
Business Combinations [Abstract]
Net cash payments related to acquisitions				$ 332	$ 9,274
Progressive Subsidiary | DAMI
Business Acquisition [Line Items]
Ownership interest acquired (percentage)		100.00%
Purchase Price	$ 54,900	$ 54,900	[1]
Cash acquired		4,200
Loans receivable, gross		$ 94,200

[1] 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.