Number of quarters during the current period on which the company declared and paid dividends.

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Preferred Stock Dividend, Final Portion (in USD per share)

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Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

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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

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-Name Accounting Standards Codification
-Topic 942
-SubTopic 405
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

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Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
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Aggregate dividends declared during the period for each share of preferred stock outstanding.

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Dividends, Textual (Details) ¥ / shares in Units, $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019 $ / shares	Dec. 31, 2019 JPY (¥)	Sep. 30, 2019 $ / shares	Sep. 30, 2019 JPY (¥)	Jun. 30, 2019 $ / shares	Jun. 30, 2019 JPY (¥)	Mar. 31, 2019 USD ($) $ / shares	Mar. 31, 2019 JPY (¥) ¥ / shares	Dec. 31, 2019 USD ($) dividend $ / shares	Dec. 31, 2018 USD ($) dividend $ / shares	Dec. 31, 2018 JPY (¥) dividend ¥ / shares
Series B Preferred Stock
Class of Stock [Line Items]
Number of quarters, dividend payments \| dividend									4	1	1
Preferred stock dividends, cash paid quarterly (per share)									$ 0.50	$ 0.50
Payments of ordinary dividends, preferred stock and preference stock \| $										$ 234
Preferred stock dividend, final portion (in USD per share)										$ 0.11667
Series C Preferred Stock
Class of Stock [Line Items]
Number of quarters, dividend payments \| dividend										4	4
Preferred stock dividends, cash paid quarterly (per share)										$ 0.50
Payments of ordinary dividends, preferred stock and preference stock \| $									$ 4,600	$ 4,600
Series D Preferred Stock
Class of Stock [Line Items]
Preferred stock dividends, cash paid quarterly (per share)									$ 0.50
Payments of ordinary dividends, preferred stock and preference stock \| $									$ 6,400	$ 6,400
Quarterly Dividend One \| Pinewood \| Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock dividends, cash paid quarterly (per share) \| (per share)	$ 1,269.45		$ 1,281.22		$ 1,234.68		$ 1,217.40	¥ 134,924.92		$ 298.52	¥ 32,981.64
Quarterly Dividend Two \| Pinewood \| Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock dividends, cash paid quarterly (per share) \| (per share)										$ 1,231.37	¥ 137,923.25
Payments of ordinary dividends, preferred stock and preference stock		¥ 137,923.25		¥ 137,923.25		¥ 136,424.08	$ 500	¥ 54,719,550.00		$ 153	¥ 17,090,489.00
Quarterly Dividend Three \| Pinewood \| Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock, per share, dividends declared (per share) \| (per share)										$ 1,226.52	¥ 137,923.25
Dividends									$ 123		¥ 13,792,325.00