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Disclosure - Notes payable and other borrowings (Table) link:calculationLink link:definitionLink link:presentationLink 010550 - Disclosure - Notes payable and other borrowings (Detail) link:calculationLink link:definitionLink link:presentationLink 010570 - Disclosure - Notes payable and other borrowings - Narrative (Detail) link:calculationLink link:definitionLink link:presentationLink 010660 - Disclosure - Common stock - roll-forward (Detail) link:calculationLink link:definitionLink link:presentationLink 010600 - Disclosure - Fair value measurements - Financial Instruments (Detail) link:calculationLink link:definitionLink link:presentationLink 010800 - Disclosure - Subsequent event (Detail) link:calculationLink link:definitionLink link:presentationLink 001950 - Disclosure - Subsequent event link:calculationLink link:definitionLink link:presentationLink 010460 - Disclosure - Derivative contracts - gains and losses (Detail) link:calculationLink link:definitionLink link:presentationLink