CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) UNAUDITED - USD ($)		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Net (loss) income		$ 23,847,000	$ 10,516,000	$ 19,802,000	$ 19,295,000
Other comprehensive income (loss):
Interest rate swaps	[1]	(367,000)	180,000	13,031,000	(2,070,000)
Capitalized swap interest expense	[2]	(25,000)	(40,000)	34,000	(161,000)
Pension adjustment	[3]	2,566,000	0	556,000	0
Adoption of ASU 2018-02	[4]	0	0	(1,148,000)	0
Adoption of ASU 2017-12	[5]	0	0	(739,000)	0
Terminated swap amortization		(239,000)	0	(319,000)	0
Other comprehensive income (loss)		1,935,000	140,000	11,415,000	(2,231,000)
Comprehensive income		25,782,000	10,656,000	31,217,000	17,064,000
Comprehensive income attributable to noncontrolling interests		(482,000)	(12,000)	(51,000)	(12,000)
Comprehensive income attributable to common stockholders		25,300,000	10,644,000	31,166,000	17,052,000
Interest rate swaps, deferred tax expense (benefit)		(200,000)	$ 100,000	3,700,000	(1,300,000)
Capitalized swap interest income, deferred tax benefit					$ 100,000
Pension deferred tax benefit		$ 0		$ 620,000

[1] Amounts are shown net of deferred tax benefit of $0.2 million and deferred tax expense of $0.1 million for the three months ended September 30, 2018 and 2017, respectively, and deferred tax expense of $3.7 million and deferred tax benefit of $1.3 million for the nine months ended September 30, 2018 and 2017, respectively.

[2] The deferred tax impact was not meaningful for the three months ended September 30, 2018 and 2017 and for the nine months ended September 30, 2018. Amount is net of deferred tax benefit of $0.1 million for the nine months ended September 30, 2017.

[3] Net of deferred tax benefit of zero and $0.6 million, for the three and nine months ended September 30, 2018, respectively.

[4] The Company adopted Accounting Standards Update ("ASU") 2018-02, Income Statement-Reporting Comprehensive Income (Topic 220): Reclassification of Certain Tax Effects from Accumulated Other Comprehensive Income, as of January 1, 2018. See Note 2 - Accounting Policies and Pronouncements for further discussion.

[5] The Company adopted ASU 2017-12, Derivatives and Hedging (Topic 815): Targeted Improvements to Accounting for Hedging Activities, as of January 1, 2018. See Note 2 - Accounting Policies and Pronouncements for further discussion.