Annual report pursuant to Section 13 and 15(d)

Subsequent Events - Company and Shareholder Redemption Options (Details)

v3.8.0.1
Subsequent Events - Company and Shareholder Redemption Options (Details) - Preferred Stock - Series B Preferred Stock - Subsequent Event
2 Months Ended
Feb. 20, 2018
$ / shares
Subsequent Event [Line Items]  
Redemption limitation percent 5.00%
Parent Company  
Subsequent Event [Line Items]  
Redemption price of redeemable preferred stock (in dollars per share) $ 25.00
Shareholder  
Subsequent Event [Line Items]  
Redemption price of redeemable preferred stock (in dollars per share) $ 23.50