Investment in Hotel Properties - Acquisition (Details) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Jul. 31, 2017 USD ($) room	Sep. 30, 2017 USD ($) $ / shares	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) $ / shares	Sep. 30, 2016 USD ($)
Unaudited pro forma results of operations
Total revenues		$ 303,909	$ 303,304	$ 903,448	$ 899,756
NET INCOME		17,082	$ 39,427	132,324	$ 106,379
Acquisitions 2017 | Oceans Edge Hotel & Marina
Investment in Hotel Properties
Number of rooms | room	175
Purchase price of acquired entity	$ 173,900
Acquisition-related costs		400		700
Assets:
Investment in hotel properties	174,971
Accounts receivable	15
Inventories	50
Prepaid expenses	41
Other assets	84
Total assets acquired	175,161
Liabilities:
Accounts payable and accrued expenses	210
Accrued payroll and employee benefits	256
Other current liabilities	752
Other liabilities	26
Total liabilities assumed	1,244
Total cash paid for acquisitions	173,917
Unaudited pro forma results of operations
Revenues		305,052		912,697
Income attributable to common stockholders		$ 12,083		$ 117,751
Income per diluted share attributable to common stockholders (in dollars per share) | $ / shares		$ 0.02		$ 0.50
Total revenues		$ 1,800		$ 1,800
NET INCOME		(1,200)		(1,200)
Acquisitions 2017 | Oceans Edge Hotel & Marina | Hurricane
Unaudited pro forma results of operations
Hurricane-related restoration expenses		$ 700		$ 700
Land | Acquisitions 2017 | Oceans Edge Hotel & Marina
Assets:
Investment in hotel properties	92,500
Buildings and improvements | Acquisitions 2017 | Oceans Edge Hotel & Marina
Assets:
Investment in hotel properties	74,400
Furniture, fixtures and equipment | Acquisitions 2017 | Oceans Edge Hotel & Marina
Assets:
Investment in hotel properties	6,400
Intangibles | Acquisitions 2017 | Oceans Edge Hotel & Marina
Assets:
Investment in hotel properties	1,700
Intangibles | Air rights | Acquisitions 2017 | Oceans Edge Hotel & Marina
Assets:
Investment in hotel properties	1,600
In-place lease agreements | Intangibles | Acquisitions 2017 | Oceans Edge Hotel & Marina
Assets:
Investment in hotel properties	$ 100
Weighted average expected life	9 months