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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a financial asset repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same financial asset at a date certain for a specified price. Includes repurchase-to-maturity transactions and liabilities not subject to a master netting arrangement.

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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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The number of real estate properties owned as of the balance sheet date.

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Amount of long-term debt classified as other.

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower.

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Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Other Borrowings (Narrative) (Details) $ in Millions	1 Months Ended				12 Months Ended	24 Months Ended	48 Months Ended	54 Months Ended
Other Borrowings (Narrative) (Details) $ in Millions	Jun. 30, 2018 CAD ($)	Dec. 31, 2017 CAD ($)	Dec. 31, 2015 CAD ($)	Dec. 31, 2014 CAD ($)	Dec. 31, 2018 USD ($) building Rate	Dec. 31, 2015 CAD ($)	Dec. 31, 2017 CAD ($)	Jun. 30, 2018 CAD ($)	Sep. 18, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 15, 2014 USD ($)
Debt Instrument [Line Items]
Notes payable					$ 144,461,000				$ 150,000,000	$ 41,222,000	$ 150,000,000
Short-term borrowings					50,593,000					17,209,000
Sweep accounts					62,782,000
Other borrowings					47,722,000					49,131,000
Secured borrowings					$ 151,079,000					158,561,000
Base Rate Loan \| Federal funds rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					0.50%
Base Rate Loan \| Eurodollar rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					1.00%
Term Facility \| Base Rate Loan \| Base rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					0.75%
Term Facility \| Eurodollar Rate Loan \| Eurodollar rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					1.25%
Revolving Credit Facility
Debt Instrument [Line Items]
Notes payable					$ 0
Commitment fee \| Rate					0.20%
Revolving Credit Facility \| Base Rate Loan \| Base rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					0.50%
Revolving Credit Facility \| Eurodollar Rate Loan \| Eurodollar rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate					1.25%
Securities Sold under Agreements to Repurchase
Debt Instrument [Line Items]
Securities sold under repurchase agreements					$ 50,593,000					17,200,000
Fixed Rate Promissory Note
Debt Instrument [Line Items]
Number of properties \| building					2
Other borrowings					$ 47,700,000
Interest rate					3.36%
Non Recourse Debt
Debt Instrument [Line Items]
Other borrowings										151,000
Receivables Purchase Agreement
Debt Instrument [Line Items]
Interest rate					2.936%
Proceeds from issuance of debt	$ 20	$ 10	$ 10	$ 150		$ 160	$ 170	$ 190
Secured borrowings					$ 139,300,000					135,100,000
Secured Debt
Debt Instrument [Line Items]
Secured borrowings					$ 11,800,000
Credit Agreement \| Line of Credit
Debt Instrument [Line Items]
Loans payable to bank									200,000,000
Term Facility
Debt Instrument [Line Items]
Notes payable									150,000,000	$ 41,200,000	75,000,000
Revolving Credit Facility
Debt Instrument [Line Items]
Notes payable									$ 50,000,000		$ 75,000,000