Income Taxes (Income Tax Reconciliation) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Tax Disclosure [Abstract]      
Corporate statutory rate 35.00% 35.00% 35.00%
Income tax expense on income before income taxes $ 140,751 $ 66,618 $ 48,403
State and local income taxes, net of federal benefit 10,726 4,281 3,025
Transaction costs and transaction related expenses 938 5,252 100
Dividend withholding tax (65) 13,074 0
Impact of foreign tax rates (3,693) (1,582) (73)
Non-Controlling interest (13,670) (1,645) 0
Cross-jurisdictional financing (44,659) (23,937) (6,072)
Adjustment to tax reserves 1,202 550 40
Other 3,277 3,213 1,085
Valuation allowance 8,596 3,492 0
Total income tax expense (benefit) $ 103,403 $ 69,316 $ 46,508