Bank Call Loans (Tables)

12 Months Ended

Dec. 31, 2015

Debt Disclosure [Abstract]

Summary of Bank Call Loans

Bank call loans, primarily payable on demand, bear interest at various rates but not exceeding the broker call rate, which was 2.25% at December 31, 2015 (2.0% at December 31, 2014). Details of the bank call loans are as follows:

(Expressed in thousands, except percentages)
	2015			2014
Year-end balance	$	100,200		$	59,400
Weighted interest rate (at end of year)	1.56		%	1.22		%
Maximum balance (at any month-end)	189,000			197,000
Average amount outstanding (during the year)	116,267			108,235
Average interest rate (during the year)	1.28		%	1.26		%