Annual report pursuant to Section 13 and 15(d)

New Accounting Standards - Adjustment Disclosure (Details)

v3.10.0.1
New Accounting Standards - Adjustment Disclosure (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle      
Net cash provided by (used in) operating activities $ 248,644 $ 165,173 $ 122,708
Net cash provided by (used in) investing activities(2) (119,290) (195,982) (1,915,763)
Net cash provided by (used in) financing activities(1) (137,225) 19,833 1,858,445
Effect of exchange rate changes on cash, cash equivalents and restricted cash 354 (6,858) (5,886)
Net change in cash, cash equivalents and restricted cash (7,517) (17,834) 59,504
Cash, cash equivalents and restricted cash at beginning of period 67,243 85,077 25,573
Cash, cash equivalents and restricted cash at end of period 59,726 67,243 85,077
Debt prepayment penalties 0 47,875 0
Payments of debt issuance costs 6,395 4,666 23,786
Accounting Standards Update 2016-15 and 2016-18 | Previously Reported      
New Accounting Pronouncements or Change in Accounting Principle      
Net cash provided by (used in) operating activities   116,062 119,720
Net cash provided by (used in) investing activities(2)   (182,695) (1,929,680)
Net cash provided by (used in) financing activities(1)   68,944 1,861,433
Effect of exchange rate changes on cash, cash equivalents and restricted cash   (6,858) (5,886)
Net change in cash, cash equivalents and restricted cash   (4,547) 45,587
Cash, cash equivalents and restricted cash at beginning of period 66,195 70,742 25,155
Cash, cash equivalents and restricted cash at end of period   66,195 70,742
Accounting Standards Update 2016-15 and 2016-18 | Adjustments      
New Accounting Pronouncements or Change in Accounting Principle      
Net cash provided by (used in) operating activities   49,111 2,988
Net cash provided by (used in) investing activities(2)   (13,287) 13,917
Net cash provided by (used in) financing activities(1)   (49,111) (2,988)
Effect of exchange rate changes on cash, cash equivalents and restricted cash   0 0
Net change in cash, cash equivalents and restricted cash   (13,287) 13,917
Cash, cash equivalents and restricted cash at beginning of period $ 1,048 14,335 418
Cash, cash equivalents and restricted cash at end of period   1,048 14,335
Debt prepayment penalties   47,875  
Payments of debt issuance costs   $ (1,236) $ (2,988)