Fair Value Measurements - Schedule of Gains and Losses Resulting from Nonrecurring Fair Value Adjustments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total loss from nonrecurring measurements	$ 96	$ 1,103	$ 89	$ 210
Other assets - equity method investment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total loss from nonrecurring measurements	0	804	0	804
Loans measured for impairment
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total loss from nonrecurring measurements	$ 96	$ 299	$ 89	$ (594)