Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Data (Unaudited)

	2016
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Revenues	$	474,118	$	550,299	$	543,516	$	479,278
Net income	52,051		56,061		51,812		63,186
Net income available for common shareholders	46,885		50,895		46,646		58,020
Net income available for common shareholders per share (basic and diluted)(1)	0.31		0.34		0.30		0.35
Distributions per common share(2)	0.50		0.51		0.51		0.51

	2015
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Revenues	$	435,512	$	507,066	$	511,886	$	467,440
Net income (loss)	41,581		83,146		61,185		(19,494		)
Net income (loss) available for common shareholders	36,415		77,980		56,019		(24,660		)
Net income (loss) available for common shareholders per share (basic and diluted)(1)	0.24		0.52		0.37		(0.16		)
Distributions per common share(2)	0.49		0.50		0.50		0.70

(1) The sum of per common share amounts for the four quarters differs from annual per share amounts due to the required method of computing weighted average number of shares in interim periods and rounding.

(2) Amounts represent distributions paid in the periods shown. The fourth quarter of 2015 includes a non-cash distribution of $0.1974 per share related to the distribution of shares of RMR Inc. class A common stock to our shareholders on December 14, 2015.