Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Stockholders' Equity Note [Abstract]
Repurchase of treasury stock (in shares)									1,897,322	1,066,409
Shares withheld for tax withholding obligations for the vesting of restricted stock awards (in shares)									227,208	132,021
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	700,000								700,000
Remaining number of shares authorized to be repurchased (in shares)	413,833								413,833
Payments of Dividends [Abstract]
Dividends declared per share of common stock (in dollars per share)	$ 0.30	$ 0.30	$ 0.30	$ 0.30	$ 0.20	$ 0.20	$ 0.20	$ 0.20
Dividends paid									$ 48,622	$ 33,408	$ 65,768
Dividends, Common Stock, Cash									$ (48,600)	$ (33,400)
Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract]
Preferred stock, authorized (in shares)	20,000,000				20,000,000				20,000,000	20,000,000