Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Variable interest entities (Maximum exposure to loss in VIEs) (Details)

v3.19.3.a.u2
Variable interest entities (Maximum exposure to loss in VIEs) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Variable Interest Entities [Abstract]    
Carrying value of debt and equity investments $ 123,279 $ 132,113
Debt guarantees 68,901 88,313
Maximum exposure to loss $ 192,180 $ 220,426