Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2017

Equity [Abstract]

Reconciliation of the beginning and ending common stock outstanding

The Company had no preferred shares outstanding and had common shares outstanding for the three years ended December 31, 2017 as follows:

	Year Ended December 31,
	2017	2016	2015
Balance, beginning of year	116,416,900	101,517,009	98,828,098
Issuance of common stock	8,395,607	14,063,100	2,493,171
Non-vested stock-based awards, net of withheld shares and forfeitures	319,086	836,791	195,740
Balance, end of year	125,131,593	116,416,900	101,517,009

Schedule of sale of stock under market equity offering Program

The following table details the shares sold under this program.

	Shares Sold	Sales Price Per Share	Net Proceeds (in millions)
2017	—	NA	$	—
2016	4,795,601	$28.31 - $33.66	$	144.6
2015	2,434,239	$25.00 - $29.15	$	65.8

Reconciliation of beginning and ending balances of accumulated other comprehensive income

The following table represents the changes in accumulated other comprehensive loss during the year ended December 31, 2017:

(Dollars in thousands)	Interest Rate Swaps
Beginning balance	$	(1,401	)
Other comprehensive loss before reclassifications	176
Amounts reclassified from accumulated other comprehensive income (loss)	(74		)
Net current-period other comprehensive income	102
Ending balance	$	(1,299	)

Reclassifications out of accumulated other comprehensive income

The following table represents the details regarding the reclassifications from Accumulated other comprehensive income (loss) during the year ended December 31, 2017:

Details about accumulated other comprehensive income (loss) components	Amount reclassified from accumulated other comprehensive income (loss)		Affected line item in the statement where net income is presented
(Dollars in thousands)
Amounts reclassified from accumulated other comprehensive income (loss) related to settled interest rate swaps	$	169	Interest Expense
Amounts reclassified from accumulated other comprehensive income (loss) related to current interest rate swaps	7		Interest Expense
	$	176