Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ 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
Income Tax Examination [Line Items]
Federal									$ 15,470	$ 9,621	$ 15,845
State and local									2,027	2,432	1,377
Current Federal, State and Local, Tax Expense (Benefit)									17,497	12,053	17,222
Deferred:									5,800	3,307	21,105
Deferred Federal Income Tax Expense (Benefit)									4,262	2,812	20,989
Deferred State and Local Income Tax Expense (Benefit)									1,538	495	116
Deferred Federal, State and Local, Tax Expense (Benefit)									5,800	3,307	21,105
Total income tax expense	$ 7,246	$ 7,469	$ 4,479	$ 4,103	$ 4,899	$ 1,802	$ 4,881	$ 3,778	$ 23,297	$ 15,360	$ 38,327