Dividends [Line Items]

No definition available.

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

+ Details

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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

+ Details

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- Definition

Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

+ References

+ Details

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- Definition

Aggregate dividends paid during the period for each share of preferred stock outstanding.

+ References

No definition available.

+ Details

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Dividends (Detail) $ / shares in Units, $ / shares in Units, $ in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020 CAD ($) $ / shares	Jun. 30, 2020 USD ($) $ / shares	Jun. 30, 2019 CAD ($) $ / shares	Jun. 30, 2019 USD ($) $ / shares	Jun. 30, 2020 CAD ($) $ / shares	Jun. 30, 2020 USD ($) $ / shares	Jun. 30, 2019 CAD ($) $ / shares	Jun. 30, 2019 USD ($) $ / shares
Dividends [Line Items]
Dividend declared for common share holders		$ 83,824		$ 69,868		$ 158,453		$ 133,149
Cash dividend declared per common share (USD per share) \| $ / shares		$ 0.1551		$ 0.1410		$ 0.2961		$ 0.2692
Series A Preferred Stock
Dividends [Line Items]
Dividends declared for preferred share holders	$ 1,549		$ 1,549		$ 3,097		$ 3,097
Dividend declared per preferred share (CAD per share) \| $ / shares	$ 0.3226		$ 0.3226		$ 0.6452		$ 0.6452
Series D Preferred Stock
Dividends [Line Items]
Dividends declared for preferred share holders	$ 1,273		$ 1,273		$ 2,546		$ 2,523
Dividend declared per preferred share (CAD per share) \| (per share)	$ 0.3182		$ 0.3182			$ 0.6364	$ 0.6307