Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Dec. 31, 2016

Quarterly Financial Data [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

	2017
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Revenues	$	149,083	$	154,676	$	153,222	$	172,184
Equity in income of Unconsolidated Joint Ventures	20,118		13,258		13,723		20,275
Net income	32,759		27,663		14,251		38,084
Net income attributable to TCO common shareowners	17,170		13,483		4,363		20,251
Earnings per common share – basic	$	0.28	$	0.22	$	0.07	$	0.33
Earnings per common share – diluted	$	0.28	$	0.22	$	0.07	$	0.33

	2016
	First Quarter		Second Quarter		Third Quarter		Fourth Quarter
Revenues	$	139,455	$	158,890	$	148,021	$	166,191
Equity in income of Unconsolidated Joint Ventures	18,478		15,910		15,391		19,922
Net income	44,329		57,744		35,184		50,894
Net income attributable to TCO common shareowners	24,613		34,718		18,752		29,275
Earnings per common share – basic	$	0.41	$	0.58	$	0.31	$	0.48
Earnings per common share – diluted	$	0.41	$	0.57	$	0.31	$	0.48