Supplemental Disclosure of Statement of Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Other Significant Noncash Transactions [Line Items]
Cash and cash equivalents at beginning of period	$ 107,762	$ 86,637	$ 93,249
Cash and cash equivalents at end of period	168,750	107,762	86,637
Restricted cash at beginning of period	4,394	31,142	10,637
Restricted cash at end of period	8,497	4,394	31,142
Cash, cash equivalents and restricted cash, at beginning of year	112,156	117,779	103,886
Cash, cash equivalents and restricted cash, at end of year	177,247	112,156	117,779
Interest paid	76,562	75,069	87,692
Income taxes paid, net	$ 2,025	2,340	1,240
Conveyed Interest [Member]
Other Significant Noncash Transactions [Line Items]
Mortgage loans on real estate, foreclosures		$ 12,616	21,582
Interests Sold [Member]
Other Significant Noncash Transactions [Line Items]
Loans assumed			$ 242,269